Αρχειοθήκη ιστολογίου

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

Τετάρτη 12 Οκτωβρίου 2022

Effect of malaria and malaria chemoprevention regimens in pregnancy and childhood on neurodevelopmental and behavioral outcomes in children at 12, 24 and 36 months: a randomized clinical trial

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Abstract
Background
Malaria in pregnancy has been associated with worse cognitive outcomes in children, but its association with behavioral outcomes and the effectiveness of malaria chemoprevention on child neurodevelopment are not well characterized.
Methods
To determine if more effective malaria chemoprevention in mothers and their children results in better neurodevelopment, 305 pregnant women were randomly assigned to 3 doses of sulfadoxine-pyrimethamine, 3 doses of dihydroartemisinin-piperaquine (DP) or monthly DP during pregnancy, and their 293 children were assigned to DP every 3 months or monthly DP from 2 to 24 months of age. Cognition, language and motor function were assessed at 12, 24 and 36 months of age, and attention, memory, behavior and executive function at 24 and 36 months of age.
Results
Children of mothers with vs. without malaria in pregnancy had worse scores on cognitive, behavioral and executive function outcomes at 24 months. Clinical malaria in children within the first 12 months was similarly associated with poorer scores in behavior and executive function at 24 months, language at 24 and 36 months, and motor function scores at 36 months. However, more effective malaria chemoprevention in the mothers and children was not associated with better outcomes.
Conclusions
Malaria in pregnancy was associated with worse cognitive, behavioral and executive function scores in affected children, but more effective malaria chemoprevention measures did not result in better outcomes. Malaria chemoprevention prior to and early in gestation and with even higher efficacy in mothers and children may be required to prevent neurodevelopmental impairment in children.
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Improved Survival after Liver Transplantation for Patients with HIV and HIV/HCV Coinfection in the INSTI and DAA eras

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Abstract
Background
Patients with human immunodeficiency virus (HIV) with and without hepatitis C virus (HCV) coinfection had poor outcomes after liver transplant (LT). Integrase strand transfer inhibitors (INSTI) and direct-acting antivirals (DAA) changed the treatment landscape for HIV and HCV, respectively; their impact on LT outcomes remains unclear.
Methods
This retrospective analysis of adults with HIV monoinfection (n = 246) and HIV/HCV coinfection (n = 286) who received LT compared mortality in patients with HIV who received LT before vs. after approval of INSTI and in patients with HIV/HCV coinfection who received LT before vs after approval of DAA. In secondary analysis, we compared the outcomes in the different eras with those of propensity score (PS) matched control cohorts of LT recipients without HIV or HCV infection.
Results
HIV monoinfected LT recipients did not experience a significant improvement in su rvival between the pre-INSTI and INSTI recipients with HIV (aHR 0.70 [0.36-1.34). However, recipients with HIV/HCV coinfection in the DAA era had a 47% reduction (aHR 0.53 [0.31-9.2] in one-year mortality than co-infected recipients in the pre-DAA era. Compared to non-HIV or HCV recipients, HIV monoinfected recipients had higher mortality during the pre-INSTI era (aHR, ), but survival was comparable between groups during the INSTI era (aHR, ). HIV/HCV coinfected recipients also experienced comparable survival during the DAA era compared to non-HIV or HCV recipients (aHR, ).
Conclusions
Post-LT survival for patients with HIV monoinfection and HIV/HCV coinfection has improved with the introduction of INSTI and DAA therapy, suggesting that LT has become safer in these populations.
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Maternal diet during breastfeeding in correlation to calcium and phosphorus concentrations in human milk

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Abstract

Background

The impact of maternal diet on minerals concentration in human milk (HM) remains unclear. The main aim of this study was to investigate the relationship between maternal dietary intake and calcium and phosphorus concentrations in HM. Furthermore, we aimed to evaluate the intake of both minerals by exclusively breastfed infants.

Methodology

HM samples were obtained from 30 mothers at 6-8 weeks postpartum. Each mother was asked to express pre- and post-feeding milk four times during 24-h period (6.00-12.00, 12.00-18.00, 18.00-24.00, 24.00-6.00). Maternal dietary assessment was based on food frequency questionnaire and 3-day dietary records. Analyzed minerals were determined by inductively coupled plasma mass spectrometer (NexION 300D ICP Mass Spectrometer, Perkin Elmer SCIEX, USA).

Results

The mean concentrations of calcium and phosphorus in HM samples were 278.7 ± 61.0 mg/L and 137.1 ± 21.9 mg/L, respectively, maintaining 2:1 ratio b y weight. The concentration of both minerals was correlated with each other (r=0.632, p=<0.001). The infants' mean calcium intake was 149.53 ± 36.41 mg/L and for phosphorus it was 74.62 ± 19.41 mg/L. The risk of insufficient intake of calcium was reported in 60% of infants (n=18). Spearman/Pearson correlation coefficients did not reveal any correlations between HM calcium concentration and maternal diet, contrary to HM phosphorus concentration, which was positively correlated with energy (r=0.369, p=0.045), total protein (r=0.464, p=0.01), calcium (r=385, p=0.036), phosphorus (r=501, p=0.005), niacin (p<0.001) and pyridoxine (r=382, 0.037) intake. However, in multivariable analysis we observed that maternal dietary intake of both minerals had positive influence on their concentration in HM.

Conclusion

Maternal calcium and phosphorus intake influenced concentration of both minerals in HM, however the relationship was rather weak. Additionally, we observed that c alcium intake by most of the exclusively breastfed infants was insufficient to meet the recommended daily intake.

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Two-Stage Modeling to Identify How Colorectal Cancer Risk Changes With Period and Cohort

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Abstract
Colorectal cancer (CRC) incidence rates have decreased among adults aged 50 and older while increasing in adults under age 50. Understanding these trends is challenging due to the multiple related time scales of age, period of diagnosis, and birth cohort. We analyzed rectal, distal colon, and proximal colon cancer incidence rates for individuals aged 20 and older from the Surveillance, Epidemiology, and End Results program for diagnosis years 1978-2017. We used a two-stage generalized linear model to describe age, period, and cohort effects for incidence. We first estimated birth cohort effects among people under 45. We used these results to specify prior distributions for cohort effects in a Bayesian model to estimate period effects among people 45 and older. There was no evidence of period effects for people under age 45. Risk for rectal and distal colon cancer increased for later birth cohorts. Compared to the 1943-1952 birth cohort, the 1983- 1992 birth cohort had 2.1 times the risk of rectal cancer, 1.8 times the risk of distal colon cancer and 1.3 times the risk of proximal colon cancer. For people over 45, period effects show declines in CRC risk that are attributable to screening.
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Clinical features and overall survival of osteosarcoma of the mandible

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This study describes the clinical features and prognosis of mandibular osteosarcoma. The SEER database was utilized to identify cases of mandibular osteosarcoma diagnosed between 2004 and 2015. Sex, age, grade, histological subtype, tumor size, tumor extension, presence of metastasis at diagnosis, and therapeutic intervention were determined. (Source: International Journal of Oral and Maxillofacial Surgery)
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Using indocyanine green angiography to achieve complete engraftment of pectoralis major myocutaneous flaps

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This report describes the usefulness of indocyanine green angiography (ICGA) to achieve complete engraftment of the PMMC flap. Five patients with oral cancer underwent reconstruction with a PMMC flap after cancer ablation. During the skin paddle design and flap elevation, the blood supply to the flap was assessed by ICGA. (Source: International Journal of Oral and Maxillofacial Surgery)
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