Πέμπτη 19 Οκτωβρίου 2017
Array-based sequencing of filaggrin gene for comprehensive detection of disease-associated variants
Source:Journal of Allergy and Clinical Immunology
Author(s): X. F. Colin C. Wong, Simon L.I.J. Denil, Jia Nee Foo, Huijia Chen, Angeline Su Ling Tay, Rebecca L. Haines, Mark B.Y. Tang, W. H. Irwin McLean, Aileen Sandilands, Frances J.D. Smith, E. Birgitte Lane, Jianjun Liu, John E.A. Common
Teaser
Comprehensive sequencing of FLG is a challenging endeavour. We have developed a method using array-based amplicon PCR and NGS for a robust and cost efficient method to analyze this major atopic dermatitis risk factor.http://ift.tt/2goYvKn
Vértigo posicional paroxístico benigno: criterios diagnósticos. Documento de consenso del Comité para la Clasificación de los Trastornos Vestibulares de la Bárány Society
Source:Acta Otorrinolaringológica Española
Author(s): Michael von Brevern, Pierre Bertholon, Thomas Brandt, Terry Fife, Takao Imai, Daniele Nuti, David Newman-Toker
Este artículo presenta los criterios diagnósticos para el vértigo posicional paroxístico benigno (VPPB) formulados por el Comité para la Clasificación de los Trastornos Vestibulares de la Bárány Society. La clasificación refleja el estado actual del conocimiento acerca de los aspectos clínicos y los mecanismos patogénicos del VPPB e incluye tanto los síndromes bien establecidos como los emergentes. Se presupone que el conocimiento progresivo de la enfermedad conducirá a un desarrollo adicional de esta clasificación.This article presents operational diagnostic criteria for benign paroxysmal positional vertigo (BPPV), formulated by the Committee for Classification of Vestibular Disorders of the Bárány Society. The classification reflects current knowledge of clinical aspects and pathomechanisms of BPPV and includes both established and emerging syndromes of BPPV. It is anticipated that growing understanding of the disease will lead to further development of this classification.
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Metachronous solitary plasmacytoma
Solitary plasmacytoma is a rare disorder comprising 5%–10% of all plasma cell neoplasms. Progression to multiple myeloma is the most common pattern of relapse. Appearance of new lesions without any systemic disease is the most unusual pattern of relapse seen in <2% cases. We present a case of a 46-year-old female who presented with features of third and seventh cranial nerve palsy, diagnosed with solitary plasmacytoma, with no evidence of any systemic disease. As per standard recommendations, the patient received radiotherapy to the local site. The patient developed relapse twice, at three sites, during the follow-up period. Investigations revealed no evidence of any systemic disease. In view of repeat relapses, the patient was started on immune modulatory agent. Two and half years after the last radiotherapy, the patient is symptom free with no evidence of any new lesion.
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Acute-onset diplopia in a case of nephrotic syndrome
Description
A 12-year-old boy was evaluated in our emergency services for complaints of diplopia and mild generalised headache since past 4 days. The patient was a known case of frequently relapsing idiopathic nephrotic syndrome and was currently in remission since 5 days. He was normal and oriented on general physical and systemic examination. Urine microscopy had revealed only traces of protein on repeated evaluation, and serum albumin was 2.2 g/dL on presentation. Visual acuity was 6/6 in both eyes, and the pupillary reflexes were brisk. The ocular motility examination revealed an esotropia of 20 prism dioptres (figure 1A) along with limitation of the abduction movements in both eyes (figure 1B,C). However, right eye showed a greater limitation compared with left eye. Anterior segment of both the eyes were normal, but the fundus examination revealed bilateral severe established optic disc oedema (figure 2A,B). The...
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A case of autosplenectomy associated with T-cell checkpoint inhibitor treatment
Description
A 77-year-old Caucasian man presented to the oncology service with de novo v-raf murine sarcoma viral oncogene homolog B (BRAF), wild-type metastatic melanoma and widespread disease involving; subcutaneous fat, lymph nodes, bone and spleen with no history of autoimmunity. At diagnosis, the spleen was measured within normal limits on CT. In November 2013, he commenced treatment on a phase-III randomised double-blinded clinical trial (CA209-067) and received combination checkpoint inhibitor therapy with ipilimumab and nivolumab.
Radiological mixed response was observed after three months, with a partial response in all target lesions (RECIST V.1.1 criteria) but an increase in the size of the non-target splenic metastasis consistent with pseudoprogression. In conjunction, splenic enlargement was demonstrated (figure 1).
Figure 1
Subsequent restaging coronal abdominopelvic CT demonstrating an increased splenic length of 11.8 cm.
After seven months of immunotherapy, he achieved a complete radiological response to treatment with an...
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Non-infectious aortitis in an immunosuppressed renal transplant recipient with IgA nephropathy
A 54-year-old woman presented with atypical chest pain, fever and malaise. She was immunosuppressed with three agents following a living-donor kidney transplant 1 year previously. Her native kidney failure was secondary to biopsy-demonstrated crescentic IgA nephropathy, with systemic involvement. A CT pulmonary angiogram revealed an inflammatory cuff of soft tissue around the descending thoracic aorta suggesting aortitis. Inflammatory markers were elevated. Given her immunosuppression, the patient was screened extensively for infective causes and was empirically commenced on intravenous meropenem. After 72 hours of no clinical or serological response to antibiotic therapy, negative microbiological investigations and worsening inflammation on serial imaging, she was commenced on high-dose methylprednisolone for presumed inflammatory aortitis. Symptoms and inflammatory markers rapidly normalisedand the patient was discharged home on oral prednisolone. A clinical diagnosis of IgA-related aortitis was made. Imaging 3 months later showed complete resolution of the aortitis.
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Learning from errors: unnecessary intensive care unit admissions
An elderly man was transferred to our emergency department with reported ventricular tachycardia requiring intravenous amiodarone and intensive care unit admission. Device interrogation, the following day, revealed only frequent premature ventricular contractions and non-sustained ventricular tachycardia in a patient with a known history of these conditions. The patient underwent unnecessary invasive monitoring after being emergently transferred to our facility and admitted to the intensive care unit. Fortunately, our patient did not suffer any unwarranted side effects from intravenous amiodarone. This case reports on some negative consequences of inappropriate intensive care unit admissions and how they could have been avoided.
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A case of tuberculous gumma: there is more to it than meets the eye
We present a case of a young girl who presented with multiple cutaneous abscesses over 2 years at different sites. She had no constitutional symptoms or history of tuberculosis. On investigation, she was found to have rifampicin-sensitive tuberculosis presenting as tubercular gumma, a rare form of cutaneous tuberculosis which occurs due to haematogenous spread of the bacilli. She had disseminated disease involving the spinal column with associated psoas abscess. A thorough evaluation was done for immune-deficiency workup but was all negative. She was given antitubercular therapy and showed a good response to therapy at a follow-up of 1 month.
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Giant meningioma in skull radiograph
Description
A 35-year-old woman presented to peripheral hospital with loss of consciousness, urine incontinence and behavioural changes. The family noticed her impulsiveness and irritability 2 months prior to her presentation to the emergency department. No history of fever, vomiting, trauma or seizures. She was transferred to our hospital and on arrival, she was confused, with normal cranial nerve examination and equally reactive pupils. She had marked weakness in right upper and lower limbs. Because intracranial lesion was suspected, a lateral skull X-ray and a CT scan were done which revealed a large left frontal extra-axial calcified lesion with enlarged meningeal artery grooves (see figure 1 for the X-ray and figure 2 for the sagittal MRI). The patient underwent craniotomy and total removal of the meningioma with total weight of 347 g with pathological feature of psammomatous meningioma, WHO grade 1 (figure 3).1 She tolerated...
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Community-acquired Pseudomonas aeruginosa meningitis
Gram-negative bacilli such as Pseudomonas aeruginosa are a rare cause of meningitis. Patients developing P. aeruginosa meningitis most commonly have a history of neurosurgical procedures. We report a patient who presented with community-acquired chronic meningitis secondary to P. aeruginosa, related to surgery for otosclerosis 5 years previously.
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Result of Health Illiteracy and Cultural Stigma: Fourniers Gangrene, a Urological Emergency
A 63-year-old Caucasian man presents to his regional hospital 8 days postinsertion of beads in his urethra, causing Fournier's gangrene of the penis and delayed surgical management of his gangrene. The reasons for his delay are cultural stigma associated with sexual practices and health illiteracy.
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Anaesthesia and orphan disease: airway and anaesthetic management in Huntingtons disease
We present a case that highlights the issues surrounding the delivery of a safe general anaesthetic to a patient with Huntington's disease (HD) and bulbar dysfunction. In the case of a 46-year-old patient undergoing laparoscopic percutaneous endoscopic gastrostomy tube insertion, we discuss the rationale behind our chosen method and anaesthetic agents as well as airway issues specific to HD. In a patient whose condition would not allow for an awake fibreoptic intubation, we opted for a modified rapid sequence induction. Special considerations were made with regard to muscle relaxation given the complications associated with inadequate paralysis and reversal in patients with HD. The technique we describe may also apply to other patient categories, such as patients with movement disorders, bulbar dysfunction and dementia.
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Rare presentation of an old bug
We highlight a rare presentation of Legionella infection in a 77-year-old woman with a clinical diagnosis of giant cell arteritis 2 months prior to presentation. She was started on 60 mg prednisone that was tapered to 10 mg after 4 weeks following her diagnosis. She presented with a 1-month progressive dyspnoea in the absence of any other symptoms. Her exposure history was significant only for a recent trip to Florida where she stayed at a hotel. Initial laboratory workup was significant for hyponatraemia (127 mmol/L). Workup including bronchoalveolar lavage (BAL) and induced sputum for gram stain, acid fast stain and bacterial culture were negative for Pneumocystis jirovecii pneumonia and other opportunistic infectious agents. However, BAL was positive for Legionella pneumophila via PCR that was confirmed by a positive urinary Legionella antigen. The patient received treatment with levofloxacin that led to full resolution of her symptoms.
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Management challenges of late presentation Dacron patch infection after carotid endarterectomy
An 83-year-old man presented 4 years after right carotid endarterectomy (CEA) with an infection of his prosthetic Dacron patch. Initial scans (CT angiogram and whole body labelled white cell scan) were clear with no infection or collection noted. Systemically, the patient presented well with no recorded fevers. With an occluded left internal carotid artery and severely stenosed vertebral arteries, surgery presented a high risk of major stroke due to the lack collateral supply and this was discussed extensively. The patient subsequently declined surgical management, and he was monitored closely on an outpatient basis. He presented again a year later with ongoing haemoserous ooze from the CEA site. Subsequently a two-stage procedure was performed, where initially a stent was inserted, followed by patch excision and debridement. A muscle flap was then mobilised over the opening. This new approach to carotid patch infections should gain traction over time as a safer alternative for high-risk patients.
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Unusual cause of saddle nose
Description
A 53-year-old female presented with a 2-week history of shortness of breath, cough and fever. Over the past 6 months, she reported painful tongue ulcers and pain in her nose, accompanied with nasal crusting and yellowish discharge. She had a history of pulmonary coccidioidomycosis, diagnosed 10 years ago, and she was treated with antifungal regimen. Physical examination revealed rhonchi bilaterally, multiple shallow ulcerative lesions on her tongue and a saddle nose deformity (figure 1A). CT of the chest demonstrated extensive ground-glass opacities with areas of nodular consolidation. Given her symptoms and history of coccidioidomycosis, nasal cavity biopsy was performed that revealed focal ulceration, non-specific inflammation with many cocci spherules, confirmed by Grocott's methenamine silver stain (figure 1B). Cultures from the lesions and the sputum grew Coccidioides immitis. Treatment with fluconazole 400 mg daily was initiated, and after several days her symptoms improved.
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Gentamicin-vancomycin-colistin local antibiotherapy in a cement spacer in a 54-year-old haemophilic patient with relapsing plurimicrobial severe prosthetic joint infection
Description
A 54-year-old patient with haemophilia and hepatitis C virus infection experienced acute left prosthetic joint infection due to Klebsiella pneumoniae and Staphylococcus aureus following unipolar exchange in September 2015. As the outcome was not favourable with bloody discharge despite haemophilic factor substitution, a new local debridement was performed in May 2016 and multidrug-resistant Enterobacter asburiae (only susceptible to imipenem, colistin, amikacin and fosfomycin) and Corynebacterium striatum (only susceptible to vancomycin, rifampin and linezolid) grew in cultures. As explantation was considered too risky due to the potential bleeding, systemic intravenous treatment was proposed with imipenem (3 g/day), vancomycin (2.5 g/day) and fosfomycin (12 g/day). After 3 months of therapy, the bloody discharge persisted. One month after discontinuation of antibiotics, the patient presented a large 'bourgeon charnu' with impressive bloody discharge (figure 1A). X-ray revealed trochanter osteolysis, without prosthesis loosening (figure 1B). Prosthesis explantation was performed, and a...
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Primary hepatic hemangioendothelioma in a patient with Budd-Chiari syndrome
A 36-year-old woman was diagnosed with compensated cirrhosis of liver secondary to Budd-Chiari syndrome (BCS) and had undergone stenting of a thrombosed left hepatic vein. Eight months later, she presented with jaundice and right upper quadrant pain. CT revealed multiple focal lesions in the liver, which on biopsy proved to be hepatic hemangioendothelioma (HHE). Her liver disease and ascites progressively increased. Four months later, magnetic resonance cholangiopancreatography showed an advanced stage of HHE with infiltration of the common bile duct and vascular invasion with a blocked stent, with metastasis to the spleen and dorsolumbar vertebrae. We believe this is the first reported case of an HHE developing in the background of BCS.
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Amyands hernia detected incidentally in two patients
The appendix is rarely present inside the inguinal hernia sac. The risk of appendicitis increases in these patients since the blood supply to the appendix can be impaired. The condition is frequently asymptomatic, and even if symptomatic it gives rise to non-specific symptoms. There is no specific laboratory finding. Diagnosis is frequently made with radiological imaging. We report two cases diagnosed as Amyand's hernia with CT.
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Re-correction osteotomy with osteophyte graft for correction loss with non-union after high tibial osteotomy
A 68-year-old man with right knee varus osteoarthritis was treated by lateral closed-wedge high tibial osteotomy. A correction loss with non-union occurred 6 months after surgery and a re-correction osteotomy was performed. Removing the proximal screws of the lateral plate, a medial opening-wedge re-osteotomy was performed. Arthroscopically harvested osteophytes were used to fill the gap after opening. An additional medial locking plate was installed on the medial side. Finally, the proximal lateral screws were reinserted and locked again. Mature trabecular continuity was obtained in the gap by 6 months, and there was no varus deformity 4 years after re-correction. Re-correction osteotomy could be a viable treatment when lateral compartment osteoarthritis has not progressed and good range of motion still exists. Osteophyte grafting may be an effective option not only to avoid iliac bone grafting but also to promote bone healing in re-osteotomy.
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Honeycomb and necklace signs in liver abscesses secondary to melioidosis
Melioidosis is endemic in Southeast Asia and tropical Australia with varying clinical features from benign skin lesions to fatal septicaemia. Imaging plays an important role in evaluation of the melioid liver abscesses. A 45-year-old man with underlying diabetes presented with fever and lethargy for 2 weeks and abdominal pain for 2 days. His liver was enlarged on examination. Blood investigations revealed mild leucocytosis and raised liver enzymes. Ultrasound showed multiple multiloculated hypoechoic lesions throughout the liver and spleen. CT of abdomen confirmed that some liver lesions were made up of asymmetric locules of varying sizes (honeycomb sign), while others had hypodense centre with small symmetric peripheral locules in radial fashion (necklace sign). Blood culture was positive for Burkholderia pseudomallei. He was subsequently treated with ceftazidime for a month followed by oral trimethoprim–sulfamethoxazole for 3 months. Follow-up CT of abdomen a month after diagnosis and treatment showed resolving hepatic and splenic lesions.
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Vancomycin-associated drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome: masquerading under the guise of sepsis
A patient presented with what appeared to be severe urosepsis. After admission and antibiotic administration, a newly developed rash and subsequent facial swelling appeared to be a reaction to penicillin class antibiotics. However, despite changing class of therapy with continued antimicrobial coverage, end organ damage continued, the rash worsened and facial oedema developed. Drug reaction with eosinophilia and systemic symptoms was ultimately diagnosed and was consistent with clinical and histopathological findings, as well as meeting all criteria for scoring systems. The patient was started on intravenous methylprednisolone 125 mg per 8 hours with rapid improvement of rash, swelling and end organ damage. Initial challenge to decrease dose failed, but the patient was ultimately able to be discharged on an extended taper.
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Memory of World War II with loud atypical friction rub due to pulmonary asbestosis
Description
An 87-year-old healthy woman was admitted to our hospital with progressive dyspnoea on effort since the preceding 6 months. She had a history of total gastrectomy, performed 5 years earlier. She was a non-smoker and worked as a business manager.
She did not abuse drugs. During World War II, when she was 15 years old, she worked for a year in a factory manufacturing the brake pads of fighter planes using copious amounts of asbestos. Physical examination revealed the presence of a 'hard and high-pitched knocking sound during the early inspiratory phase', in the right middle to lower lung fields, anteriorly (online ).
A chest radiograph showed massive calcifications in both lungs, including at the level of the diaphragm (figure 1A). Thoracic CT confirmed that these calcifications corresponded to the deposition of massive pleural plaques (figure 1B, C), especially in the visceral pleura (figure...
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Clinicopathologic implications of CD8 + /Foxp3 + ratio and miR-574-3p/PD-L1 axis in spinal chordoma patients
Abstract
Currently, little is known about the interactions between microRNAs (miRNAs) and the PD-1/PD-L1 signaling pathway in chordoma, and data discussing the role of the immune milieu in chordoma prognosis are limited. We aimed to analyze the relationship between PD-L1, miR-574-3p, microenvironmental tumor-infiltrating lymphocytes (TILs) and clinicopathological features of spinal chordoma patients. PD-L1 expression and TILs (including Foxp3+, CD8+, PD-1+ and PD-L1+) were assessed by immunohistochemistry in tumor specimens of 54 spinal chordoma patients. MiRNAs microarray and bioinformatical analysis were used to identify miRNAs potentially regulating PD-L1 expression, which were further validated by quantitative RT-PCR. miR-574-3p was identified to potentially regulate PD-L1 expression in chordoma, which inversely correlated with PD-L1. Positive PD-L1 expression on tumor cells was associated with advanced stages (P = 0.041) and TILs infiltration (P = 0.005), whereas decreased miR-574-3p level correlated with higher muscle invasion (P = 0.012), more severe tumor necrosis (P = 0.022) and poor patient survival. Importantly, a patient subgroup with PD-L1+/miR-574-3plow chordoma phenotype was significantly associated with worse local recurrence-free survival (LRFS) (P = 0.026). PD-1+ TILs density was associated with surrounding muscle invasion (P = 0.014), and independently portended poor LRFS (P = 0.040), while PD-L1+ TILs showed tendencies of less aggressive clinical outcomes. Multivariate analysis of OS only found CD8+/Foxp3+ ratio to be independent prognostic factor (P = 0.022). These findings may be useful to stratify patients into prognostic groups and provide a rationale for the use of checkpoint blockade therapy, possibly by administering miR-574-3p mimics, in spinal chordoma.
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Automated MicroSPECT/MicroCT Image Analysis of the Mouse Thyroid Gland
Thyroid , Vol. 0, No. 0.
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Role of Krüppel-Like Factor 4 in the Maintenance of Chemoresistance of Anaplastic Thyroid Cancer
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Review of "Setting Performance Standards for Technical and Nontechnical Competence in General Surgery" by Szasz P, Bonrath EM, Louridas M, Fesco AB, Howe B, Fehr A, Ott M, Mack LA, Harris KA, Grantcharov TP in Ann Surg 266: 1-7, 2017 and "Beyond 'Measure Twice': New Performance Standards in Surgery" by Yule S in Ann Surg 266:8-9, 2017.
13-93B3 Bioactive Glass: a New Scaffold for Transplantation of Stem Cell-Derived Chondrocytes.
Research using animal models gives human trials hope for recovery in many fields of regenerative medicine, although they are sometimes poor predictors for human experiences. Our goal was to investigate whether rat chondrocytes, differentiated from adipose-derived stem cells, could be transplanted using a new, easily shaped, bioactive glass scaffold, and to show the immunohistochemical results. Intraperitoneal and retroperitoneal adipose tissue was extracted from 6 male Wistar albino type rats. The fatty tissue samples were fragmented and incubated. Chondrogenic differentiation was carried out and collagen type II, bFGF, and Sox-9 immunohistochemical characterization analysis was performed. Differentiated chondrocytes were implanted on 13-93B3 bioactive glass scaffolds and transplanted into the right ears of the rats. As control, only the biomaterial was transplanted into the left ears of the rats. After 1 month, the rats were sacrificed and transplantation areas were examined immunohistochemically. Histological examination of control samples from the left ears revealed that the biomaterial was covered with connective tissue, its general structure was preserved, and resorption of the scaffold had started. In specimens from the right ears, the biomaterial was covered with connective tissue, its structure was preserved, cartilage cells were present around the biomaterial, and the presence of cartilage tissue was demonstrated immunohistochemically. In conclusion, 13-93B3 bioactive glass scaffold contributed to the formation of new collagen and the survival of chondrocytes, and is a promising new biomaterial that will prove very useful in regenerative medicine. (C) 2017 by Mutaz B. Habal, MD.
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http://ift.tt/2znAhYf
Hemodynamic Changes in Paramedian Forehead Flap.
Paramedian forehead flap is a workhorse for nasal reconstruction. However, vascular complications may lead to flap failure. The purpose of this study was to evaluate the blood flow objectively and determine the hemodynamic changes in paramedian forehead flap with respect to influential factors of age, gender, and smoking. Thirty patients who had paramedian forehead flap were followed up prospectively between 2010 and 2013. The blood flow was assessed by resistance index using Color Duplex-Doppler Ultrasonography. Resistance index was measured at the proximal and distal ends of each flap on the postoperative first day, first week, and second week. All data were analyzed using SPSS 15.0 for Windows. Fifteen patients were female and the mean of age was 60.9 years. Our results demonstrated statistically significant differences with gradual decreases in resistance to blood flow, when the resistance index values at the proximal and distal ends of paramedian forehead flap were compared (P
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http://ift.tt/2zBwV56
The Etiology of Neuronal Development in Craniosynostosis: A Working Hypothesis.
Craniosynostosis is one of the most common craniofacial conditions treated by neurologic and plastic surgeons. In addition to disfigurement, children with craniosynostosis experience significant cognitive dysfunction later in life. Surgery is performed in infancy to correct skull deformity; however, the field is at a crossroads regarding the best approach for correction. Since the cause of brain dysfunction in these patients has remained uncertain, the role and type of surgery might have in attenuating the later-observed cognitive deficits through impact on the brain has been unclear. Recently, however, advances in imaging such as event-related potentials, diffusion tensor imaging, and functional MRI, in conjunction with more robust clinical studies, are providing important insight into the potential etiologies of brain dysfunction in syndromic and nonsyndromic craniosynostosis patients. This review aims to outline the cause(s) of such brain dysfunction including the role extrinsic vault constriction might have on brain development and the current evidence for an intrinsic modular developmental error in brain development. Illuminating the cause of brain dysfunction will identify the role of surgery can play in improving observed functional deficits and thus direct optimal primary and adjuvant treatment. (C) 2017 by Mutaz B. Habal, MD.
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http://ift.tt/2zlZzX0
Hydatid Cyst of the Parotid Gland: A Rare Location.
Hydatid disease of the parotid gland is a very rare entity and may be easily overlooked in the diagnosis of parotid masses. Although Turkey remains an endemic area for echinococcosis, involvement of the parotid gland is extremely rare. A 26-year-old man presented with primary parotid gland mass without any other organ involvement. During the first surgery, the cyst was perforated accidentally and in a short time recurrence was occurred. Maximum attention was given for the second surgery for total removal without damaging the cyst with medical treatment. The clinicians should take hydatid disease of parotid gland into consideration and great care must be given for not damaging the capsule of the cystic tumors in order to prevent recurrences. (C) 2017 by Mutaz B. Habal, MD.
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http://ift.tt/2zBwFmE
Outcomes of Titanium Mesh Cranioplasty in Pediatric Patients.
Purpose: Cranial defects in children have been repaired with various materials ranging from autologous bone to synthetic materials. There is little published literature on the outcomes of titanium mesh cranioplasty (TMC) in calvarial reconstruction in the pediatric population. This study evaluates a pediatric cohort who underwent calvarial defect reconstruction with titanium mesh and assesses the efficacy and outcomes of TMC. Methods: An Institutional Review Board approved retrospective review of patients
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http://ift.tt/2zmEhZm
Virtual Reality Model of the Three-Dimensional Anatomy of the Cavernous Sinus Based on a Cadaveric Image and Dissection.
Objective: Studying the three-dimensional (3D) anatomy of the cavernous sinus is essential for treating lesions in this region with skull base surgeries. Cadaver dissection is a conventional method that has insurmountable flaws with regard to understanding spatial anatomy. The authors' research aimed to build an image model of the cavernous sinus region in a virtual reality system to precisely, individually and objectively elucidate the complete and local stereo-anatomy. Methods: Computed tomography and magnetic resonance imaging scans were performed on 5 adult cadaver heads. Latex mixed with contrast agent was injected into the arterial system and then into the venous system. Computed tomography scans were performed again following the 2 injections. Magnetic resonance imaging scans were performed again after the cranial nerves were exposed. Image data were input into a virtual reality system to establish a model of the cavernous sinus. Observation results of the image models were compared with those of the cadaver heads. Results: Visualization of the cavernous sinus region models built using the virtual reality system was good for all the cadavers. High resolutions were achieved for the images of different tissues. The observed results were consistent with those of the cadaver head. The spatial architecture and modality of the cavernous sinus were clearly displayed in the 3D model by rotating the model and conveniently changing its transparency. Conclusion: A 3D virtual reality model of the cavernous sinus region is helpful for globally and objectively understanding anatomy. The observation procedure was accurate, convenient, noninvasive, and time and specimen saving. (C) 2017 by Mutaz B. Habal, MD.
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http://ift.tt/2zBwdEY
Skull Base Neuroendoscopic Training Model Using a Fibrous Injectable Tumor Polymer and the Nico Myriad.
The Myriad is an innovative, high precision tool for tumor resection, designed to work within narrow endoscopic corridors. Due to its application in technically demanding situations, the learning curve associated with its use might be extremely challenging and time-consuming. The authors describe the application of an already validated training model, the skull base injectable tumor model (ITM), to allow trainees to practice with the use of the Myriad during endoscopic skull base procedures. A formalin embalmed cadaveric head was used for technical assessment. Stratathane resin ST-504 derived polymer was injected to mimic skull base tumors and Myriad was used for tumor resection during different endoscopic procedures. An endoscopic endonasal transsphenoidal, a trans-planum trans-tuberculum, and a trans-clival approach have been performed after ITM injection. The Myriad was used for tumor debulking and blunt manipulation, qualitatively evaluating the technical challenges in performing the surgical dissection. Injectable tumor model demonstrates to be a valuable educational tool to train surgeons in the use of Myriad, potentially speeding up the learning curve in the acquirement of necessary technical skills in manipulating the instrument, even in case of demanding surgical situation. (C) 2017 by Mutaz B. Habal, MD.
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http://ift.tt/2zm8sja
A Modification to the Nasal Septal Chain Suture Which Improves Its Application.
Introduction: A novel modification to the nasal septal chain suture which makes its application easier and faster without using any special surgical instrument has been described in this study. The advantage of the modification was evaluated in terms of the suture application time. Methods: A total of 40 patients with a mean age of 30.1 +/- 10.6 (18-58) years were evaluated in 2 groups. A nasal septal chain suture was applied with the previously described technique and the new modification for each group after the patients underwent septoplasty. The suture application time for all of the patients was recorded. Results: The mean suture application time was 455.2 +/- 36.5 (380-530) seconds in the previous technique group and 404.7 +/- 29.4 (340-450) seconds in the modified technique group. The use of new modification of the technique was found to shorten the suture application time significantly (P
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http://ift.tt/2zBvWBW
Metopism: a Study of the Persistent Metopic Suture.
Metopism, the persistence of the metopic suture in adulthood, is a clinically significant radiographic finding. In addition to masquerading as a fracture of the frontal bone, a persistent metopic suture may be associated with other clinically significant anatomical variations including frontal sinus abnormalities. Several geographically and craniofacially distinct populations have yet to be assessed for the prevalence of metopism. This study aimed to determine the prevalence of metopic sutures in adult crania of diverse populations among which scant research exists. A total of 505 adult crania were examined for the presence of a metopic suture. A total of 13 (2.57%) demonstrated metopism. Among subpopulations, metopism was present in 8.06% (5:62) of European crania, 15.38% (2:13) of East Asian crania, 2.20% (2:91) of Egyptian crania, and 2.86% (1:35) of Bengali crania. Metopism was also found in 1 Chilean, Roman, and Tchuktchi cranium, respectively. Metopism was not seen in crania from individuals of African (non-Egyptian) descent (0:62), Peruvians (0:144), Malayans (0:23), or Mexicans (0:23). Among sexes, metopism was present in 3.77% (8:212) of females and 1.79% (5:279) of males. The prevalence of metopism differs between populations and sexes. The results of this study provide anthropological, developmental, and clinical insight with regard to metopism. (C) 2017 by Mutaz B. Habal, MD.
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http://ift.tt/2znqSQP
ANGIOGENIC AND OSTEOGENIC POTENTIALS OF DENTAL STEM CELLS IN BONE TISSUE ENGINEERING
Publication date: Available online 19 October 2017
Source:Journal of Oral Biology and Craniofacial Research
Author(s): Muhammad Fuad Hilmi Yusof, Wafa' Zahari, Siti Nurnasihah Md Hashim, Zul Faizuddin Osman, Hamshawagini Chandra, Thirumulu Ponnuraj Kannan, Khairul Bariah Ahmad Amin Noordin, Azlina Ahmad
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First Clinical Consensus and National Recommendations on Tracheostomized Children of the Brazilian Academy of Pediatric Otorhinolaryngology (ABOPe) and Brazilian Society of Pediatrics (SBP),
Resumo Introdução: A traqueostomia é um procedimento que pode ser feito em qualquer faixa etária, inclusive em crianças abaixo de um ano. Infelizmente no Brasil existe uma enorme dificuldade dos profissionais de saúde em lidar com esta condição e uma falta de padronização dos cuidados. Objetivo: Este consenso clínico realizado pela Academia Brasileira de Otorrinolaringologia Pediátrica (ABOPe) e Sociedade Brasileira de Pediatria (SBP) tem como objetivo gerar recomendações nacionais sobre os cuidados e condutas diante das crianças traqueostomizadas. Método: Foram selecionados um grupo de especialistas com experiência em traqueostomia na infância (otorrinolaringologistas, pediatras intensivistas, endoscopistas, pneumopediatras) que tivessem comprovada atuação prática no assunto, e que também contemplassem as diversas regiões do Brasil, de acordo com os critérios de inclusão e exclusão. Resultados: Os resultados gerados neste documento foram obtidos a partir da concordância da maioria dos participantes em relação as indicações, tipo de cânula, técnicas cirúrgicas, cuidados e orientações gerais e decanulação. Conclusão: Estas diretrizes poderão servir como norteadoras para os mais diversos profissionais de saúde em todo país que lidam com as dificuldades das crianças traqueostomizadas.
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Impact of cartilage graft size on success of tympanoplasty
Resumo Introdução: Na última década, tem havido um interesse crescente no uso de enxertos de cartilagem como opção para o reparo de perfurações primárias de membrana timpânica. As principais vantagens da cartilagem são a sua rigidez e o metabolismo braditrófico, o que a torna particularmente adequada para condições difíceis, tais como perfurações subtotais, otite adesiva e reoperações. Objetivo: Analisar o impacto de diferentes tamanhos de perfuração, portanto diferentes tamanhos de cartilagem, sobre o desfecho anatômico e funcional da timpanoplastia. Método: Através deste estudo prospectivo, não controlado, não randomizado, 50 pacientes foram submetidos a timpanoplastia de cartilagem tipo 1 (20 mulheres e 30 homens), com idade média de 19,3 ± 9,8 anos. De acordo com o tamanho da perfuração, os pacientes foram subdivididos em três grupos, Grupo I com perfuração > 50% da área da membrana timpânica, Grupo II com perfuração de 25%-50% da área da membrana timpânica, Grupo III com perfuração ≤ 25% da membrana timpânica. Todos apresentavam Audiometria tonal pura pré e pós-operatório - gap Aéreo-Ósseo para frequências testadas (0,5, 1, 2, 4 kHz). Todos os pacientes foram acompanhados por pelo menos 12 meses após a cirurgia. Resultados: A taxa de sucesso anatômico entre todos os pacientes foi de 92%, todos os grupos apresentaram melhoria estatisticamente significante entre pré e pós-operatório nos três grupos, não houve correlação significante entre o tamanho do enxerto de cartilagem e observou-se algum grau de melhoria do gap nos 3 grupos. Conclusão: O tamanho do enxerto de cartilagem não tem impacto sobre o grau de melhoria da audição ou na taxa de sucesso anatômico após timpanoplastia.
http://ift.tt/2l0OUyq
Encoding of speech sounds at auditory brainstem level in good and poor hearing aid performers
Abstract Introduction: Hearing aids are prescribed to alleviate loss of audibility. It has been reported that about 31% of hearing aid users reject their own hearing aid because of annoyance towards background noise. The reason for dissatisfaction can be located anywhere from the hearing aid microphone till the integrity of neurons along the auditory pathway. Objectives: To measure spectra from the output of hearing aid at the ear canal level and frequency following response recorded at the auditory brainstem from individuals with hearing impairment. Methods: A total of sixty participants having moderate sensorineural hearing impairment with age range from 15 to 65 years were involved. Each participant was classified as either Good or Poor Hearing aid Performers based on acceptable noise level measure. Stimuli /da/ and /si/ were presented through loudspeaker at 65 dB SPL. At the ear canal, the spectra were measured in the unaided and aided conditions. At auditory brainstem, frequency following response were recorded to the same stimuli from the participants. Results: Spectrum measured in each condition at ear canal was same in good hearing aid performers and poor hearing aid performers. At brainstem level, better F0 encoding; F0 and F1 energies were significantly higher in good hearing aid performers than in poor hearing aid performers. Though the hearing aid spectra were almost same between good hearing aid performers and poor hearing aid performers, subtle physiological variations exist at the auditory brainstem. Conclusion: The result of the present study suggests that neural encoding of speech sound at the brainstem level might be mediated distinctly in good hearing aid performers from that of poor hearing aid performers. Thus, it can be inferred that subtle physiological changes are evident at the auditory brainstem in a person who is willing to accept noise from those who are not willing to accept noise.
Resumo Introdução: Os aparelhos auditivos são prescritos para aliviar a perda de audibilidade. Tem sido relatado que 31% dos usuários rejeitam seu aparelho auditivo devido ao desconforto com o ruído de fundo. A razão para a insatisfação pode estar situada em qualquer local desde o microfone do aparelho auditivo até a integridade de neurônios ao longo da via auditiva. Objetivos: Medir espectros desde a saída do aparelho auditivo no nível do meato acústico externo e frequência de resposta (FFR) registrada no tronco encefálico de indivíduos com deficiência auditiva. Método: Foram selecionados 60 participantes com deficiência auditiva neurossensorial moderada, de 15 a 65 anos. Cada participante foi classificado como usuário bom ou mau de prótese auditiva (GHP ou PHP) com base na medida de nível de ruído aceitável (ANL). Estímulos/da/e/si/foram apresentados em alto-falante a 65 dB SPL. No meato acústico externo, os espectros foram medidos nas condições sem aparelho e com aparelho. No tronco encefálico auditivo, FFR foram registradas para os mesmos estímulos dos participantes. Resultados: Os espectros medidos em cada condição no meato acústico externo foram os mesmos em GHP e PHP. No nível do tronco cerebral, melhor codificação F0; energias de F0 e F1 foram significativamente maiores em GHP do que em PHP. Embora os espectros do aparelho auditivo fossem quase os mesmos entre GHP e PHP, existem variações fisiológicas sutis no tronco encefálico auditivo. Conclusão: O resultado do presente estudo sugere que a codificação neural do som da fala no nível do tronco encefálico pode ser mediada distintamente em GHP em comparação com PHP. Assim, pode-se inferir que mudanças fisiológicas sutis são evidentes no tronco encefálico em uma pessoa que está disposta a aceitar o ruído em comparação com aqueles que não estão dispostos a aceitar o ruído.
http://ift.tt/2l11FJA
Profile and prevalence of hearing complaints in the elderly
Abstract Introduction: Hearing is essential for the processing of acoustic information and the understanding of speech signals. Hearing loss may be associated with cognitive decline, depression and reduced functionality. Objective: To analyze the prevalence of hearing complaints in elderly individuals from Rio Grande do Sul and describe the profile of the study participants with and without hearing complaints. Methods: 7315 elderly individuals interviewed in their homes, in 59 cities in the state of Rio Grande do Sul, Brazil, participated in the study. Inclusion criteria were age 60 years or older and answering the question on auditory self-perception. For statistical purposes, the chi-square test and logistic regression were performed to assess the correlations between variables. Results: 139 elderly individuals who did not answer the question on auditory self-perception and 9 who self-reported hearing loss were excluded, totaling 7167 elderly participants. Hearing loss complaint rate was 28% (2011) among the elderly, showing differences between genders, ethnicity, income, and social participation. The mean age of the elderly without hearing complaints was 69.44 (±6.91) and among those with complaint, 72.8 (±7.75) years. Elderly individuals without hearing complaints had 5.10 (±3.78) years of formal education compared to 4.48 (±3.49) years among those who had complaints. Multiple logistic regression observed that protective factors for hearing complaints were: higher level of schooling, contributing to the family income and having received health care in the last six months. Risk factors for hearing complaints were: older age, male gender, experiencing difficulty in leaving home and carrying out social activities. Conclusions: Among the elderly population of the state of Rio Grande do Sul, the prevalence of hearing complaints reached 28%. The complaint is more often present in elderly men who did not participate in the generation of family income, who did not receive health care, performed social and community activities, had a lower level of schooling and were older.
Resumo Introdução: A audição é essencial para o processamento de eventos acústicos e emissão e compreensão dos sinais de fala. A perda auditiva pode estar associada ao declínio cognitivo, à depressão e à redução da funcionalidade. Objetivo: Analisar a prevalência de queixa auditiva em idosos do Rio Grande do Sul e descrever o perfil dos participantes com e sem queixa auditiva. Método: Participaram do estudo 7.315 idosos entrevistados em suas residências, em 59 cidades gaúchas. Os critérios de inclusão adotados foram ter 60 anos ou mais e terem respondido à questão sobre autopercepção auditiva. Para fins estatísticos foi realizado o teste Qui-quadrado e regressão logística para avaliar as correlações entre as variáveis. Resultados: Foram excluídos 139 idosos sem resposta à autopercepção auditiva e nove por autorreferirem surdez (7.167 participantes). A frequência de queixa de perda auditiva foi de 28% (2011) dos idosos, apresentou diferença entre gêneros, etnia, renda, participação social. A média de idade dos idosos sem queixa auditiva foi de 69,44 (± 6,91) e com queixa 72,8 (± 7,75) anos. Os idosos sem queixa auditiva apresentaram 5,10 (± 3,78) anos de estudo comparados com 4,48 (± 3,49) anos dos com queixa. A regressão logística múltipla observou que foram fatores protetores para a queixa auditiva maior escolaridade, contribuir na renda familiar e ter recebido atendimento de saúde nos últimos seis meses. Fatores de risco para a queixa auditiva foram idade mais avançada, sexo masculino, apresentar dificuldade de sair de casa e realizar atividades sociais. Conclusões Na população idosa do Rio Grande do Sul a prevalência de queixa auditiva atingiu 28%. A queixa está mais presente em idosos homens, sem participação na renda familiar, não receberam atendimento de saúde, tinham atividade social e comunitária, com menor escolaridade e maior idade.
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Preoperative vestibular assessment protocol of cochlear implant surgery: an analytical descriptive study
Resumo Introdução: Os implantes cocleares (IC) são indiscutivelmente um método eficaz de recuperação da função auditiva de pacientes surdos. Objetivo: Descrever o protocolo de avaliação vestibular pré-operatória em sujeitos que serão submetidos ao IC. Método: Nosso protocolo institucional prevê o diagnóstico vestibular por meio de seis testes simples: testes de Romberg e Fukuda, nistagmo espontâneo, Head Impulse Test, Head Shaking Nistagmus, prova calórica. Resultados: Foram avaliados 21 pacientes com média de 42,75 ± 14,38 anos. Apenas 28% da amostra apresentaram todos os testes normais. A presença de informação vestibular assimétrica foi documentada pela prova calórica em 32% da amostra e o nistagmo espontâneo mostrou-se pista importante para seu diagnóstico. A arreflexia vestibular bilateral foi diagnosticada em quatro sujeitos; arreflexia unilateral em três e hiporreflexia bilateral em dois. O Head Impulse Test mostrou-se indicador significante (p = 0,0001) para diagnosticar arreflexia da orelha testada. O teste de Romberg sensibilizado em almofada foi capaz de diagnosticar os comprometimentos severos da função vestibular (p = 0,003). Conclusão: Os seis testes clínicos foram capazes de identificar a presença ou não de função vestibular e assimetria da função entre as orelhas de um mesmo indivíduo.
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Treatment of large persistent tracheoesophageal peristomal fistulas using silicon rings
Resumo Introdução: Fístulas traqueoesofágicas persistentes podem ser resolvidas através da redução do tamanho da fístula ou substituição da prótese; no entanto, mesmo com técnicas conservadoras, o pertuito em torno da fístula pode continuar em pacientes com laringectomia total. Além disso, várias técnicas têm sido desenvolvidas para superar esse problema, inclusive injeções ao redor da fístula, fechamento da fístula com retalhos locais, retalhos miofasciais ou retalhos livres e fechamento da fístula com um botão septal de silicone. Objetivo: Apresentar os resultados da aplicação de anel de silicone para expansão da prótese vocal em pacientes com grandes fístulas periprotéticas persistentes. Método: Prótese vocal foi colocada em 42 pacientes após laringectomia total, e fístula foi detectada ao redor da prótese em 18 desses 42 pacientes. Quatro pacientes obtiveram melhora com métodos conservadores. Oito dos 18 pacientes que não obtiveram sucesso com métodos conservadores foram tratados usando sutura primária e quatro pacientes foram tratados com retalhos locais. Um anel de silicone foi aplicado inicialmente nos dois pacientes restantes e, também, aplicado a dois pacientes que tiveram recorrência após a técnica de sutura e a dois pacientes que tiveram recorrência após a utilização de retalho local. No total, seis pacientes receberam anéis de silicone em decorrência da fístula traqueoesofágica secundária. Os pacientes haviam sido tratados com provox-1 inicialmente e posteriormente com provox-2. No momento da detecção da fístula em torno do estoma, seis pacientes haviam recebido provox-2. Resultados: A fístula foi tratada com sucesso em seis pacientes. Além disso, após o tratamento a fala foi mantida de forma eficaz. Não houve problema de adaptação. O tempo de troca da prótese expandida com os anéis de silicone não foi diferente do tempo que se leva para a colocação da prótese normal. O anel de silicone combinado com a prótese vocal foi usado 26 vezes em pacientes na época da troca de prótese e não houve recorrência da fístula durante os 29 ± 6 meses de acompanhamento. Conclusão: Os resultados sugerem que em casos de grandes fístulas peri-prostéticas persistentes, anéis expandidos de silicone e prótese vocal modificada são eficazes tanto para o fechamento da fístula como para a manutenção da fala do paciente.
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The effect of melatonin and vitamin C treatment on the experimentally induced tympanosclerosis: study in rats
Abstract Introduction: The ethiopathogenesis of tympanosclerosis has not been completely under- stood yet. Recent studies have shown that free oxygen radicals are important in the formation of tympanosclerosis. Melatonin and Vitamin C are known to be a powerful antioxidant, interacts directly with Reactive Oxygen Species and controls free radical-mediated tissue damage. Objective: To demonstrate the possible preventative effects of melatonin and Vitamin C on tympanosclerosis in rats by using histopathology and determination of total antioxidant status total antioxidant status. Methods: Standard myringotomy and standard injury were performed in the middle ear of 24 rats. The animals were divided into three groups: Group 1 received melatonin, Group 2 received vitamin C, and Group 3 received saline solution. Results: The mean values of total antioxidant status were similar in the all study groups before the treatment period. The mean values of total antioxidant status were significantly higher in the melatonin and vitamin C groups compared to control group but vitamin C with melatonin groups were similar after the treatment period (p < 0.001). Minimum and maximum wall thicknesses were lower in the melatonin and vitamin C groups compared to the control group but the differences were insignificant. Conclusion: Melatonin increases total antioxidant status level and might have some effect on tympanosclerosis that develops after myringotomy.
Resumo Introdução: A etiopatogênese da timpanoesclerose (TE) não foi ainda totalmente esclarecida. Estudos recentes têm demonstrado que os radicais livres de oxigênio são importantes na formação de TE. Melatonina e vitamina C são conhecidas por serem poderosos antioxidantes, interagir diretamente com espécies reativas de oxigênio (ROS) e controlar danos em tecidos mediados por radicais livres. Objetivo: Demonstrar os possíveis efeitos preventivos da melatonina e da vitamina C na TE em ratos com histopatologia e determinação da capacidade antioxidante total (CAT). Método: Miringotomias padronizadas foram feitas na orelha média de 24 ratos. Os animais foram divididos em três grupos: o Grupo 1 recebeu melatonina, o Grupo 2 vitamina C e o grupo 3 solução salina. Resultados: Os valores médios de CAT foram semelhantes em todos os grupos de estudo antes do período de tratamento. Os valores médios de CAT foram significativamente maiores nos grupos que receberam melatonina e vitamina C em comparação com o grupo de controle, mas os grupos vitamina C e melatonina foram semelhantes após o período de tratamento (p < 0,001). As espessuras mínimas e máximas de parede foram menores nos grupos melatonina e vitamina C, em comparação com o grupo controle, mas as diferenças não foram significativas. Conclusão: A melatonina aumenta os níveis de CAT e pode ter algum efeito sobre a TE que se desenvolve após a miringotomia.
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Efficacy of syringe-irrigation topical therapy and the influence of the middle turbinate in sinus penetration of solutions
Resumo Introdução: Terapias tópicas são a melhor opção de tratamento pós-operatório da rinossinusite crônica, principalmente com alto volume e pressão, como os squeeze bottles. Porém, não são opções disponíveis na realidade brasileira, na qual frequentemente são usados seringas para a irrigação. Objetivo: Averiguar a eficácia da terapia tópica nasossinusal com seringa e a influência da concha média nesse processo. Método: Estudo de intervenção em modelos de treinamento (S.I.M.O.N.T.). Após dissecção padronizada, três intervenções foram feitas (spray nasal 4 puffs, seringa de 60 mL e squeeze bottle de 240 mL) com a concha média normal e suturada. Foram capturadas imagens de cada seio após as intervenções, totalizando 144 imagens. As imagens foram classificadas por 10 avaliadores de acordo com a quantidade de volume residual de zero a 3, sendo zero e 1 considerados penetração ruim e 2 e 3, penetração boa. As 1.440 avaliações foram utilizadas neste estudo. Resultados: Considerando todas as situações de concha média, a quantidade de penetrações boas foi de 8,1% para spray; 68,3% para seringa e 78,3% para squeeze (p < 0,0001). Considerando todos os tipos de intervenção, a concha média normal obteve 48,2% de penetrações boas e a concha média suturada, 55% (p = 0,01). Considerando apenas concha média suturada, não houve diferença entre as intervenções seringa e squeeze (76,3% vs. 80,4%; p = 0,27). Conclusão: A terapia tópica de irrigação com seringa de 60 mL foi mais eficaz do que com spray nasal. O status da concha média mostrou-se fundamental e influenciou a terapia tópica. A irrigação com seringa foi tão eficaz quanto a com squeeze bottle quando a concha média foi suturada ao septo nasal.
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Evaluation of aesthetic and functional outcomes in rhinoplasty surgery: a prospective study
Resumo Introdução: A avaliação do desfecho de cirurgia medido pela satisfação ou qualidade de vida do paciente é muito importante, especialmente em cirurgia plástica. Existe um interesse crescente na autoavaliação de desfechos nesta especialidade cirúrgica. Objetivo: O objetivo deste estudo foi determinar a satisfação do paciente em relação à aparência e função do nariz com o uso de um questionário validado, antes e depois da cirurgia de rinoplastia. Método: Estudo prospectivo realizado em um centro terciário. Todas as cirurgias de rinoplastia feitas em adultos entre fevereiro de 2013 e agosto de 2014 foram incluídas. Muitos pacientes foram submetidos à cirurgia nasal adicional, como septoplastia ou turbinoplastia. Os procedimentos cirúrgicos e as características dos pacientes também foram registrados. Resultados: Entre 113 pacientes, 107 completaram os questionários e o período de acompanhamento. A análise da avaliação do desfecho de rinoplastia (ADR) no pré-operatório e pós-operatório mostrou uma melhoria significativa após 3 e 6 meses em questões funcionais e estéticas (p < 0,01). No pré-operatório, os pacientes ansiosos e inseguros apresentaram um escore pior (p < 0,05). A diferença na melhoria dos escores não foi significativa quando os grupos foram divididos com base em outros procedimentos nasais, cirurgia primária ou revisão e abordagem aberta versus fechada. Conclusão: Verificou-se que pacientes com menor grau de alfabetização estavam mais satisfeitos com o procedimento. A cirurgia de rinoplastia melhorou significativamente a qualidade de vida do paciente quanto à função e ao aspecto do nariz.
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Medical adherence to intranasal corticosteroids in adult patients
Abstract Introduction: The adherence to medical treatment in allergic rhinitis is poorly evaluated in clinical practice. Objectives: To evaluate adherence to intranasal corticosteroids in the treatment of allergic rhinitis patients. Methods: This prospective study was conducted on adult patients who were admitted to the outpatient clinic of the otolaryngology department tertiary hospital. Patients diagnosed with moderate to severe persistent AR and who had not used any nasal sprays were enrolled in the study. The patients were provided with mometasone furoate nasal sprays. On the 30th day, all participants filled out a questionnaire regarding the factors that may have influenced their adherence to the treatment. Afterwards, each patient filled out the Turkish-language-validated Morisky Medical Adherence Scale (MMAS-8) form. Each factor that may have affected adherence to the prescribed medication was evaluated according to the MMAS-8 score and all variables were analyzed statistically. Results: Fifty-nine adult patients with a mean age of 32.5 years (range 21-52 years) were included in the study. The mean overall MMAS-8 score was 3.64. Two factors were significantly related to low adherence: number of dependent children (p = 0.001) and benefit from the medication (p = 0.001). In addition, patients with higher education levels seemed to be more adherent than the rest of the group. Conclusion: Clinicians must keep in mind the factors related to non-adherence in order to achieve better treatment outcomes. Therefore, based on our results, patients must be informed that medications should be taken properly regardless of the benefit, and the treatment should be scheduled with respect to daily activities, particularly for patients caring for more than two children.
Resumo Introdução: A adesão ao tratamento clínico de rinite alérgica é mal avaliada na prática clínica. Objetivos: Avaliar a adesão aos corticosteroides intranasais no tratamento de pacientes com rinite alérgica. Método: Este estudo prospectivo foi realizado com pacientes adultos admitidos no ambulatório do setor de otorrinolaringologia de um hospital terciário. Os pacientes diagnosticados com rinite alérgica moderada a persistente grave que não haviam ainda usado spray nasal foram incluídos no estudo. Os pacientes receberam sprays nasais de furoato de mometasona. No 30° dia, todos preencheram um questionário sobre os fatores que podem ter influenciado a sua adesão ao tratamento. Depois disso, cada paciente preencheu o formulário da Escala de Adesão Clínica Morisky validado para a língua turca (MMAS-8). Cada fator que pode ter afetado a adesão à medicação prescrita foi avaliado de acordo com o escore de MMAS-8 e todas as variáveis foram analisadas estatisticamente. Resultados: Foram incluídos no estudo 59 pacientes adultos com média de 32,5 anos (variação de 21-52). O escore total médio de MMAS-8 foi de 3,64. Dois fatores foram significantemente relacionados com a baixa adesão: número de dependentes infantis (p = 0,001) e benefício da medicação (p = 0,001). Além disso, os pacientes com níveis de ensino mais elevados pareceram ser mais adesistas do que o restante do grupo. Conclusão: Os médicos devem estar cientes dos fatores relacionados à falta de adesão, a fim de alcançar melhores resultados do tratamento. Portanto, com base em nossos resultados, os pacientes devem ser informados de que os medicamentos devem ser usados adequadamente independentemente do benefício, e o tratamento deve ser programado com relação às atividades diárias, especialmente para os pacientes que cuidam de mais de dois filhos.
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An often neglected area in crooked nose: middle turbinate pneumatization
Resumo Introdução: O nariz torto ou o nariz com desvio é um nariz com um desvio da posição vertical reta da face. A pneumatização extensa da concha média, também chamada de concha bolhosa ou concha média bolhosa (CMB), é conhecida por ser um dos possíveis fatores etiológicos da obstrução nasal, sinusite recorrente e cefaleia. Não há estudo relativo a uma associação entre CMB e nariz torto. Objetivo: Investigar a associação entre o nariz torto e a presença de CMB. Método: Foram analisados retrospectivamente 199 pacientes que se submeteram a septorrinoplastia aberta. Achados pré-operatórios paranasais à tomografia computadorizada (TC), fotodocumentação pré-operatória e exame rinoscópico anterior foram registrados. Dos 199 pacientes, observou-se que 169 atendiam aos critérios e foram incluídos no estudo. As TC foram examinadas para observar a presença de CMB, hipertrofia de conchas inferiores e desvio de septo (DS). Os DS e narizes tortos foram então classificados. Resultados: Dos 169 pacientes, 94 (56%) apresentavam uma deformidade de nariz e 75 (44%) apresentavam nariz reto. Enquanto 49 (52%) pacientes com nariz torto tinham CMB extensa, 20 pacientes com nariz reto (26,6%) tinham CMB. Uma relação estatisticamente significativa foi encontrada entre a presença de nariz torto e CMB, independentemente do lado da doença (p = 0,011). Conclusão: Este estudo revelou uma relação entre o nariz torto e CMB.
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Does stapes surgery improve tinnitus in patients with otosclerosis?
Abstract Introduction: Otosclerosis (OS) is the primary disease of the human temporal bone characterized by conductive hearing loss and tinnitus. The exact pathogenesis of tinnitus in otosclerosis patients is not known and factors affecting the tinnitus outcome in otosclerosis patients are still controversial. Objectives: To find the effect of stapedotomy on tinnitus for otosclerosis patients. Methods: Fifty-six otosclerosis patients with preoperative tinnitus were enrolled to the study. Pure tone average Air-Bone Gap values, preoperative tinnitus pitch, Air-Bone Gap closure at tinnitus frequencies were evaluated for their effect on the postoperative outcome. Results: Low pitch tinnitus had more favorable outcome compared to high pitch tinnitus (p = 0.002). Postoperative average pure tone thresholds Air-Bone Gap values were not related to the postoperative tinnitus (p = 0.213). There was no statistically significant difference between postoperative Air-Bone Gap closure at tinnitus frequency and improvement of high pitch tinnitus (p = 0.427). There was a statistically significant difference between Air-Bone Gap improvement in tinnitus frequency and low pitch tinnitus recovery (p = 0.026). Conclusion: Low pitch tinnitus is more likely to be resolved after stapedotomy for patients with otosclerosis. High pitch tinnitus may not resolve even after closure of the Air-Bone Gap at tinnitus frequencies.
Resumo Introdução: Otosclerose (OS) é a principal doença do osso temporal humano caracterizada por perda auditiva condutiva e zumbido. A patogenia exata do zumbido em pacientes com otosclerose não é conhecida e fatores que afetam o desfecho de zumbido em pacientes com otosclerose ainda são controversos. Objetivos: Encontrar o efeito da estapedotomia sobre o zumbido em pacientes com otosclerose. Método: Foram incluídos no estudo 56 pacientes com otosclerose com zumbido pré-operatório. Os valores médios tonais do gap aero-ósseo, o tom de zumbido no pré-operatório, o fechamento do gap nas frequências dos zumbidos foram avaliados quanto ao seu efeito sobre o desfecho pós-operatório. Resultados: O zumbido em tom grave teve desfecho mais favorável em comparação com o zumbido agudo (p = 0,002). Os valores médios dos gaps pós-operatórios não foram relacionados com o zumbido pós-operatório (p = 0,213). Não houve diferença estatisticamente significativa entre o fechamento pós-operatório do gap na frequência do zumbido e melhoria do zumbido de tom agudo (p = 0,427). Houve diferença estatisticamente significativa entre a melhoria no gap nas frequências do zumbido e recuperação do zumbido de tom mais grave (p = 0,026). Conclusão: O zumbido de tom mais grave parece ser mais bem resolvido depois de estapedotomia em pacientes com otosclerose. O zumbido de tom agudo pode não desaparecer, mesmo após o fechamento do gap nas frequências do zumbido.
http://ift.tt/2l0OsAe
Speech perception performance of subjects with type I diabetes mellitus in noise
Abstract Introduction: Diabetes mellitus (DM) is a chronic metabolic disorder of various origins that occurs when the pancreas fails to produce insulin in sufficient quantities or when the organism fails to respond to this hormone in an efficient manner. Objective: To evaluate the speech recognition in subjects with type I diabetes mellitus (DMI) in quiet and in competitive noise. Methods: It was a descriptive, observational and cross-section study. We included 40 participants of both genders aged 18-30 years, divided into a control group (CG) of 20 healthy subjects with no complaints or auditory changes, paired for age and gender with the study group, consisting of 20 subjects with a diagnosis of DMI. First, we applied basic audiological evaluations (pure tone audiometry, speech audiometry and immittance audiometry) for all subjects; after these evaluations, we applied Sentence Recognition Threshold in Quiet (SRTQ) and Sentence Recognition Threshold in Noise (SRTN) in free field, using the List of Sentences in Portuguese test. Results: All subjects showed normal bilateral pure tone threshold, compatible speech audiometry and "A" tympanometry curve. Group comparison revealed a statistically significant difference for SRTQ (p = 0.0001), SRTN (p < 0.0001) and the signal-to-noise ratio (p < 0.0001). Conclusion: The performance of DMI subjects in SRTQ and SRTN was worse compared to the subjects without diabetes.
Resumo Introdução: O diabetes mellitus (DM) é um distúrbio metabólico crônico de várias origens, que ocorre quando o pâncreas deixa de produzir insulina em quantidade suficiente ou quando o organismo não consegue responder a esse hormônio de maneira eficiente. Objetivo: Avaliar o reconhecimento de fala em indivíduos com diabetes mellitus tipo I (DMI) no silêncio e no ruído competitivo. Método: Estudo descritivo, observacional e transversal. Foram incluídos 40 participantes de ambos os sexos entre 18 e 30 anos, divididos em um grupo controle (GC) de 20 indivíduos saudáveis sem queixas ou alterações auditivas, pareados por idade e sexo com o grupo de estudo, composto por 20 indivíduos com diagnóstico de DMI. Inicialmente aplicou-se uma avaliação audiológica (audiometria tonal, logoaudiometria e imitanciometria) para todos os indivíduos; a seguir, os mesmos foram avaliados para o Limiar de Reconhecimento de Sentenças no Silêncio (LRSS) e Limiar de Reconhecimento de Sentenças no Ruído (LRSR), em campo livre, por meio do teste Lista de Sentenças em Português. Resultados: Todos os participantes apresentaram audiometria tonal dentro dos padrões de normalidade bilateralmente, logoaudiometria compatível e curva timpanométrica do tipo A. A comparação dos grupos revelou uma diferença estatisticamente significante para LRSS (p = 0,0001), LRSR (p < 0,0001) e a relação sinal-ruído (p < 0,0001). Conclusões O desempenho dos indivíduos com DMI para LRSS e LRSR foi pior em comparação com os indivíduos sem diabetes.
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Hearing handicap in patients with chronic kidney disease: a study of the different classifications of the degree of hearing loss
Resumo Introdução: A associação entre perda auditiva e doença renal crônica e hemodiálise tem sido bem documentada. Porém, a classificação usada para o grau da perda pode subestimar o real diagnóstico devido a características específicas em relação às frequências auditivas mais acometidas. Além disso, correlações da perda auditiva e do tempo de hemodiálise com o handicap auditivo permanecem desconhecidas nessa população. Objetivo: Comparar os resultados das classificações de Lloyd e Kaplan e do Bureau Internacional d'Audiophonologie em pacientes com doença renal crônica e correlacionar as médias calculadas por suas fórmulas com o tempo de hemodiálise e com o handicap auditivo. Método: Estudo analítico, observacional e transversal com 80 pacientes em hemodiálise. Todos os pacientes foram submetidos a timpanometria, logoaudiometria, audiometria tonal limiar e os pacientes com perda auditiva foram entrevistados através do Hearing Handicap Inventory for Adults. A classificação dos casos foi feita de acordo com o grau da perda. Foram verificadas as correlações das médias tonais com o tempo de hemodiálise e com as pontuações totais do Hearing Handicap Inventory for Adults e seus domínios. Resultados: Em 48 pacientes que responderam ao Hearing Handicap Inventory for Adults, 86 orelhas (53,75%) apresentaram perda auditiva em pelo menos uma das médias tonais. A classificação do Bureau Internacional d'Audiophonologie identificou maior número de casos (n = 52) que apresentavam algum grau de deficiência do que a classificação de Lloyd e Kaplan (n = 16). No grupo com tempo de hemodiálise a partir de dois anos, houve correlação fraca, mas estatisticamente significante, da média da classificação do Bureau Internacional d'Audiophonologie com o tempo de hemodiálise (r = 0,363). Houve correlações moderadas das médias da classificação do Bureau Internacional d'Audiophonologie (r = 0,510) e tritonal 2 (r = 0,470) com pontuações totais do Hearing Handicap Inventory for Adults e com seu domínio social. Conclusão: A classificação do Bureau Internacional d'Audiophonologie mostra-se mais adequada do que a de Lloyd e Kaplan nessa população, sua média apresentou correlações com perdas auditivas em pacientes com tempo de hemodiálise ≥ 2 anos e manteve níveis moderados de correlação com a pontuação total do Hearing Handicap Inventory for Adults e seu domínio social (r = 0,557 e r = 0,512).
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Proliferative verrucous leukoplakia: diagnosis, management and current advances
Abstract Introduction: Proliferative verrucous leukoplakia is a multifocal and progressive lesion of the oral mucosa, with unknown etiology, and commonly resistant to all therapy attempts with frequent recurrences. It is characterized by a high rate of oral squamous cell carcinoma and verrucou carcinoma transformations. Objective: To analyze the studies about Proliferative verrucous leukoplakia and develop a concise update. Methods: A Pubmed search identifying studies (laboratory research, case series and reviews of literature) that examined patients with Proliferative verrucous leukoplakia was realized. Results: There are not enough studies about Proliferative verrucous leukoplakia in the literature. The few found studies not present a consensus about its etiology and diagnosis criteria. Although several treatment strategies have been proposed, most of them still show a high recurrence rate. Conclusion: More research about Proliferative verrucous leukoplakia is necessary to understand and treat this disease.
Resumo Introdução: Leucoplasia verrucosa proliferativa (LVP) é uma lesão multifocal e progressiva da mucosa oral, com etiologia desconhecida e comumente resistente a todas as tentativas terapêuticas, com recorrências frequentes. É caracterizada por uma alta taxa de transformação em carcinoma de células escamosas e carcinoma verrucoso da cavidade oral. Objetivo: Analisar os estudos sobre LVP e elaborar uma atualização resumida. Método: Foi realizada uma pesquisa na base de dados Pubmed que identificou estudos (pesquisas laboratoriais, séries de casos e revisões de literatura) que avaliaram pacientes com LVP. Resultados e discussão: Não há estudos suficientes sobre LVP na literatura. Os poucos estudos encontrados não apresentam consenso quanto aos critérios de etiologia e diagnóstico. Embora várias estratégias de tratamento tenham sido propostas, a maioria ainda apresenta alta taxa de recorrência. Conclusão: Mais pesquisas sobre LVP são necessárias para entender e tratar essa doença.
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Canine fossa puncture in endoscopic sinus surgery: report of two cases
Resumo Introdução: A rinossinusite crônica com polipose nasal é uma doença crônica comum que frequentemente afeta o seio maxilar. A cirurgia endoscópica sinusal é o procedimento mais comum para tratar a maioria das lesões do seio maxilar. Objetivo: Demonstrar o papel da punção da fossa canina durante o procedimento de cirurgia endoscópica sinusal em pacientes com doença grave do seio maxilar. Método: Apresentamos dois casos em que a punção da fossa canina foi feita como método para obter acesso completo ao antro maxilar. Resultados: De acordo com nossa experiência, dois casos em 296 cirurgias endoscópicas sinusais (0,6%) nos quais a antrostomia e o uso de microdebridador angular não foram suficientes, a punção da fossa canina foi feita como um método opcional para obter acesso completo ao antro maxilar. Conclusão: Apesar do advento da cirurgia endoscópica sinusal, os nossos casos apoiam o fato de que a punção da fossa canina é uma técnica minimamente invasiva útil em casos selecionados.
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Postauricular neurofibroma - a rare occurrence
Resumo Introdução: A rinossinusite crônica com polipose nasal é uma doença crônica comum que frequentemente afeta o seio maxilar. A cirurgia endoscópica sinusal é o procedimento mais comum para tratar a maioria das lesões do seio maxilar. Objetivo: Demonstrar o papel da punção da fossa canina durante o procedimento de cirurgia endoscópica sinusal em pacientes com doença grave do seio maxilar. Método: Apresentamos dois casos em que a punção da fossa canina foi feita como método para obter acesso completo ao antro maxilar. Resultados: De acordo com nossa experiência, dois casos em 296 cirurgias endoscópicas sinusais (0,6%) nos quais a antrostomia e o uso de microdebridador angular não foram suficientes, a punção da fossa canina foi feita como um método opcional para obter acesso completo ao antro maxilar. Conclusão: Apesar do advento da cirurgia endoscópica sinusal, os nossos casos apoiam o fato de que a punção da fossa canina é uma técnica minimamente invasiva útil em casos selecionados.
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Thyroid compressive mass, a metastasis of femur chondrosarcoma after 14 years: case report and literature review
Resumo Introdução: A rinossinusite crônica com polipose nasal é uma doença crônica comum que frequentemente afeta o seio maxilar. A cirurgia endoscópica sinusal é o procedimento mais comum para tratar a maioria das lesões do seio maxilar. Objetivo: Demonstrar o papel da punção da fossa canina durante o procedimento de cirurgia endoscópica sinusal em pacientes com doença grave do seio maxilar. Método: Apresentamos dois casos em que a punção da fossa canina foi feita como método para obter acesso completo ao antro maxilar. Resultados: De acordo com nossa experiência, dois casos em 296 cirurgias endoscópicas sinusais (0,6%) nos quais a antrostomia e o uso de microdebridador angular não foram suficientes, a punção da fossa canina foi feita como um método opcional para obter acesso completo ao antro maxilar. Conclusão: Apesar do advento da cirurgia endoscópica sinusal, os nossos casos apoiam o fato de que a punção da fossa canina é uma técnica minimamente invasiva útil em casos selecionados.
http://ift.tt/2xTGO0R
Oral manifestations of dengue viral infection
Resumo Introdução: A rinossinusite crônica com polipose nasal é uma doença crônica comum que frequentemente afeta o seio maxilar. A cirurgia endoscópica sinusal é o procedimento mais comum para tratar a maioria das lesões do seio maxilar. Objetivo: Demonstrar o papel da punção da fossa canina durante o procedimento de cirurgia endoscópica sinusal em pacientes com doença grave do seio maxilar. Método: Apresentamos dois casos em que a punção da fossa canina foi feita como método para obter acesso completo ao antro maxilar. Resultados: De acordo com nossa experiência, dois casos em 296 cirurgias endoscópicas sinusais (0,6%) nos quais a antrostomia e o uso de microdebridador angular não foram suficientes, a punção da fossa canina foi feita como um método opcional para obter acesso completo ao antro maxilar. Conclusão: Apesar do advento da cirurgia endoscópica sinusal, os nossos casos apoiam o fato de que a punção da fossa canina é uma técnica minimamente invasiva útil em casos selecionados.
http://ift.tt/2xSHBix
Biomarker-guided stratification of autoimmune patients for biologic therapy
Sabine Ivison | Christine des Rosiers | Sylvie Lesage | John D Rioux | Megan K Levings
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Hidradenitis suppurativa and diabetes mellitus: A systematic review and meta-analysis
The relationship between hidradenitis suppurativa and diabetes mellitus is not well understood.
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The superiorly based bilobed flap for nasal reconstruction
The laterally based bilobed flap is commonly used for the reconstruction of small- to medium-sized defects of the distal portion of the nose; However, when this flap is used to repair defects that are larger, more cephalic, or more lateral on the nose, there is a risk for lower nasal distortion. Reorienting the base superiorly preserves the advantages of the traditional design while minimizing this risk.
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Binaural integration: a challenge to overcome for children with hearing loss.
Purpose of review: Access to bilateral hearing can be provided to children with hearing loss by fitting appropriate hearing devices to each affected ear. It is not clear, however, that bilateral input is properly integrated through hearing devices to promote binaural hearing. In the present review, we examine evidence indicating that abnormal binaural hearing continues to be a challenge for children with hearing loss despite early access to bilateral input. Recent findings: Behavioral responses and electrophysiological data in children, combined with data from developing animal models, reveal that deafness in early life disrupts binaural hearing and that present hearing devices are unable to reverse these changes and/or promote expected development. Possible limitations of hearing devices include mismatches in binaural place, level, and timing of stimulation. Such mismatches could be common in children with hearing loss. One potential solution is to modify present device fitting beyond providing audibility to each ear by implementing binaural fitting targets. Summary: Efforts to better integrate bilateral input could improve spatial hearing in children with hearing loss. Copyright (C) 2017 Wolters Kluwer Health, Inc. All rights reserved.
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http://ift.tt/2xTuJbL
A high jugular bulb and poor development of perivestibular aqueductal air cells are not the cause of endolymphatic hydrops in patients with Ménière’s disease
The presence of endolymphatic hydrops in the inner ear, which can be detected with gadolinium-enhanced magnetic resonance imaging (Gd-MRI), is widely recognized as the main pathological cause of Ménière's disease (MD). However, the precise mechanisms underlying the development of endolymphatic hydrops remains unclear. One hypothesis proposes a relationship between the presence of a high jugular bulb (HJB) and MD, which disrupts the vestibular aqueduct leading to the development of endolymphatic hydrops.
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A population-based comparison of European and North American sinonasal cancer survival
Sinonasal cancers (SNC) are rare, thus limiting previous prognostic studies on a multinational level. The aim of this study is to utilize two population-based datasets to compare prognoses for SNC between the United States (US) and Europe.
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Acute Localized Exanthematous Pustulosis (ALEP): Review of Literature with Report of Case Caused by Amoxicillin-Clavulanic Acid
Abstract
Acute localized exanthematous pustulosis (ALEP) is a localized form of acute generalized exanthematous pustulosis, characterized by acute onset of multiple nonfollicular, pinhead-sized, sterile pustules following drug administration. Antibiotics, especially β-lactams and macrolides, have been implicated in the majority of cases, although eruption after nonsteroidal antiinflammatory drugs and many other medications has also been reported. Skin reaction arises quickly within a few hours, resolving rapidly within a few days without treatment, and it is usually accompanied by fever and neutrophilic leukocytosis. We report herein all cases of ALEP described in literature, adding the case of a 35-year-old woman admitted to our hospital with outbreak of erythematous pustules on her face, neck, and chest after amoxicillin–clavulanic acid treatment.
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Clinical Thyroidology High-Impact Articles
FREE ACCESS through November 30, 2017.
Read Now:
Does Normal TSH Mean Euthyroidism in L-T4 Treatment?
Jacques Orgiazzi
The Increased Incidence of Thyroid Cancer Is Worldwide
Jerome M. Hershman
Does Meta-Analysis Prove Which Factors Predict Relapse After Antithyroid Drugs Are Discontinued?
Stephen W. Spaulding
Active Surveillance of Small, Low-Risk Papillary Thyroid Cancers Can Be a Safe Alternative to Surgery in Selected Patients
Angela M. Leung
Age Cutoff of 45 Years May Not Be Appropriate for Papillary Thyroid Cancer Staging
Masha J. Livhits, Michael W. Yeh Read Now
Postoperative Thyroglobulin and Neck Ultrasound Are Useful for Risk Restratification and Decision to Perform 131I Ablation
Stephanie A. Fish
How Often Does a Thyroid Cancer Patient Need to Undergo Surveillance with Cervical Ultrasound?
Martin Biermann
Lymph Node Mapping with Ultrasound Is Highly Useful in the Preoperative Workup of Patients with Thyroid Cancer
Martin Biermann
Lateral Lymph-Node Dissection for Papillary Thyroid Cancer Should Be Limited to Clinically Positive Compartments
Masha J. Livhits, Michael W. Yeh
Radiofrequency Ablation Is a Treatment Option for Low-Risk Papillary Thyroid Microcarcinoma
Wendy Sacks
The post Clinical Thyroidology High-Impact Articles appeared first on American Thyroid Association.
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