Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Πέμπτη 23 Ιουνίου 2022

Drugs and convalescent plasma therapy for COVID-19: a survey of the interventional clinical studies in Italy after 1 year of pandemic

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The 2019 novel coronavirus disease (COVID-19) pandemic has highlighted the importance of health research and fostered clinical research as never before. A huge number of clinical trials for potential COVID-19 ...
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Cooled Radiofrequency Ablation of Genicular Nerves Provides 24‐Month Durability in the Management of Osteoarthritic Knee Pain: Outcomes from a Prospective, Multicenter, Randomized Trial

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Abstract

Objective

To assess long-term outcomes of cooled radiofrequency ablation (CRFA) of genicular nerves for chronic knee pain due to osteoarthritis (OA).

Methods

A prospective, observational extension of a randomized, controlled trial was conducted on adults randomized to CRFA. Subjects were part of a 12-month clinical trial comparing CRFA of genicular nerves to a single hyaluronic injection for treatment of chronic OA knee pain, who then agreed to visits at 18- and 24-months post CRFA and had not undergone another knee procedure since. The subjects were evaluated for: pain using the Numeric Rating Scale (NRS), function using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), subjective benefit using the Global Perceived Effect (GPE) scale, quality of life using the EuroQol-5-Dimensions-5 Level (EQ-5D-5L) questionnaire, and safety.

Results

Of 57 subjects eligible, 36 enrolled; 32 completed the 18-month visit with a mean NRS score of 2.4 and 22 (69%) reporting ≥50% reduction in pain from baseline (primary endpoint); 27 completed the 24-month visit, with a mean NRS of 3.4 and 17 (63%) reporting ≥50% pain relief. Functional and quality of life improvements persisted similarly, with mean changes from baseline of 53.5% and 34.9% in WOMAC total scores, and 24.8% and 10.7% in EQ-5D-5L Index scores, at 18- and 24-months, respectively. There were no identified safety concerns in this patient cohort.

Conclusion

In this subset of subjects, CRFA of genicular nerves provided durable pain relief, improved function, and improved quality of life extending to 24 months post procedure, with no significant safety concerns.

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Efficacy of quadratus lumborum block on post‐operative pain and side‐effects in patients who underwent urological surgery: A meta‐analysis

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Abstract

Background

Ultrasound-guided quadratus lumborum block (QLB) is considered a novel nerve block for postoperative pain control. However, its efficacy after urological surgery remains unclear.

Objectives

The purpose of the current meta-analysis was to evaluate the effects of the QLB block versus control (placebo or no injection) on postoperative pain and other adverse outcomes after urological surgery, providing extensive evidence of whether quadratus lumborum block is suitable for pain management after urological surgery.

Study Design

Systematic review with meta-analysis of randomised clinical trials.

Methods

We searched PubMed, Cochrane Library, Embase, Web of Science, and ClinicalTrials.gov to collect studies investigating the effects of QLB on analgesia after urological surgery. The primary outcomes included visual analogue scale (VAS) at rest and during movement, 24-h postoperative morphine consumption, and the incidence of postoperative nausea and vomiting (PONV).

Results

Overall, 13 randomised controlled trials (RCTs) were reviewed, including 751 patients who underwent urological surgery. The QLB group exhibited a lower VAS score post-operatively at rest or on movement at 0, 6, 12, and 24 h, with less 24-h postoperative morphine consumption and lower incidence of PONV.

Limitations

Although the result is stable, heterogeneity exists in the current research.

Conclusions

QLB exhibited a favourable effect of postoperative analgesia with reduced postoperative complications at rest or during movement after urological surgery. However, it is still a novel technology at a primary stage, which needs further research to develop.

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Influence of cross‐sectional area and fat infiltration of paraspinal muscles on analgesic efficacy of epidural steroid injection in elderly patients

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Abstract

Background

An assessment of paraspinal muscle degeneration based on magnetic resonance imaging has been used to investigate both sarcopenia and myosteatosis. The morphologic changes in cross-sectional area and fat infiltration of the paraspinal muscles can affect pain outcomes after epidural steroid injection.

Methods

Patients ≥ 65 years of age who underwent fluoroscopy-guided lumbar epidural steroid injections were enrolled. Good analgesia was defined as ≥ 50% reduction in pain score at 4 weeks after injection. Cross-sectional area and grade of fat infiltration of the paraspinal muscles on magnetic resonance images at the level of L3-L4 disc were measured. Patient demographics, pain-related factors, clinical factors, and paraspinal muscle measurements were compared between good and poor analgesia groups. The factors associated with pain outcome after injection were identified using multivariate analysis.

Results

A total of 245 patients consisting of 149 and 96 patients in the good and poor analgesia groups, respectively, fully satisfied the study criteria for analysis. Patients of older age, opioid use, and high-grade foraminal stenosis were frequently observed in the poor analgesia group. The grade of fat infiltration of the paraspinal muscles was significantly higher in the poor analgesia group (Grade 2, 20.8 vs. 42.7%, P < 0.001), and this result was predominantly observed in female patients. However, there was no difference in muscle cross-sectional area between the two groups (18.29 ± 3.16 vs. 18.59 ± 3.03 cm2/m2, P = 0.460). The percentage of patients with good analgesia decreased as the grade of fat infiltration increased (Grade 0 = 75.0%, Grade 1 = 65.8%, Grade 2 = 43.0%, P < 0.001). Multivariate logistic regression analysis revealed that pre-injection opioid use [adjusted odds ratio (aOR) = 1.926, 95% confidence interval (CI) = 1.084–3.422, P = 0.025], moderate to severe foraminal stenosis (aOR = 2.859, 95% CI = 1.371–5.965, P = 0.005), and high-grade fat infiltration of the paraspinal muscles (aOR = 4.258, 95% CI = 1.805–10.043, P = 0.001) were significantly associated with poor analgesia after injection.

Conclusion

High fat infiltration of the paraspinal muscles at the mid-lumbar region appeared to be an independent factor associated with poor analgesia after epidural steroid injection in elderly patients with symptomatic degenerative lumbar spinal disease receiving conservative care. However, cross-sectional area of the paraspinal muscles was not associated with pain relief after injection.

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Screw‐Retained Surgical Guide for Implant Placement in Terminal Dentition Patients With Existing Implants

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ABSTRACT

For patients with existing implants in need of additional implant placement, the use of the existing implants for guide fixation seems to be a logical alternative. Current options for the fabrication of surgical guides involve creating surgical guides that are mucosa-borne and/or retained by fixation pins. Since these existing techniques involve inherent inaccuracies, the fabrication of surgical guides that are screw-retained at the implant- or abutment-level would eliminate the introduction of those same fundamental inaccuracies. The purpose of the present technical report is to illustrate a step-by-step digitally planned guided implant placement protocol for terminal dentition patients with salvageable existing implants requiring full-arch implant rehabilitation. The advantages of this protocol include enhancing the accuracy of guided implant placement with screw-retention vs the traditional mucosa- or fixation pin support. Thus, this simplifies the transition from failing teeth to implants by ensuring that fixed provisionalization serves both functional and esthetic requirements. This protocol can also predictably reduce chairside time and adjustments at the surgical implant placement appointment.

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Temporomandibular joint prosthesis as treatment option for mandibular condyle fractures: a systematic review and meta-analysis

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The aim of this study was to perform a systematic review of the literature on the temporomandibular joint (TMJ) prosthesis as a treatment option after mandibular condyle fracture. Three databases were searched (PubMed, Embase, Cochrane Library) and 2670 unique papers were identified. A total of 337 studies were included (121 case reports, 89 case series, and 127 cohort/clinical studies). In total 14,396 patients and 21,560 prostheses were described. Of the 127 cohort or clinical studies, 100 (79%) reported inclusion criteria, 54 (43%) reported exclusion criteria, and 96 (76%) reported the inclusion period. (Source: International Journal of Oral and Maxillofacial Surgery)
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