Our analysis suggests that maternal fever in the first trimester is the risk factor of congenital heart diseases in offspring. Through the subgroup analysis, we find that exposure to maternal fever is the risk factor of VSD and right obstructive defects.
Objectives To evaluate the effects and safety of continuous positive airway pressure (CPAP) for initial respiratory management of bronchiolitis. Methods PubMed, EMBASE, Cochrane Library, CNKI, Wanfang data and CQ VIP were searched until 17 June 2020. Randomized controlled trials (RCTs) which investigated the effect of CPAP for bronchiolitis were included. Results Twenty-seven RCTs met the eligibility criteria. In the comparison of CPAP versus standard oxygen therapy, CPAP can reduce the length of stay (LOS) in hospital, respiratory rate (RR), PaCO2, heart rate, mechanical ventilation and increase PaO2, but the SpO2 and PH were not improved. In the comparison of CPAP versus high-flow nasal cannula, CPAP can reduce treatment failure, but the PICU LOS, Incidence of intubation, RR, Modified Woods Clinical Asthma Score were not decreased. Treatment failure may be less in helmet comparing with the mask though there was no quantitative analysis. Conclusion CPAP for the initial respiratory management significantly benefit children with bronchiolitis, the delivery of CPAP by helmet may be a better choice. More high-quality research is needed to confirm the conclusion.
Background: Hand hygiene is one of the ways to prevent the spread of diseases. Our aim was to explore the relationship between hand washing frequency and the impact on disease, and give recommendations on the number of times to wash hands. Methods:We searched seven electronic databases from their inception to April 11, 2020, and reference lists of related reviews for all studies on hand washing frequency and disease prevention. The Review Manager 5.3. software was used to conduct a meta-analysis. We assessed the risk of bias of included studies, and quality of evidence of the main findings.Results: A total of eight studies were included. The results of the meta-analysis showed that there was no statistical significance between the effect of disease prevention and washing more than 4 times/day compared to not [odds ratio (OR) =0.61, 95% confidence interval (CI): 0.37 to 1.01]. The results of a case-control study showed that compared with hand washing ≤4 times/day, hand washing 5-10 times/day (OR =0.75, 95% CI: 0.63 to 0.91) and hand washing >10 times/day (OR =0.65, 95% CI 0.53 to 0.80) could reduce the risk of disease infection. There was no statistical significance advantage to hand washing more than 10 times/day compared to 5-10 times/day (OR =0.86, 95% CI: 0.70 to 1.06). Comparing hand washing ≤10 times/day with hand washing >10 times/day, increased hand washing was a protective factor against infection (OR =0.59, 95% CI: 0.36 to 0.97). Conclusions:The more frequently hands were washed, the lower risk of disease. So far however, there is no high-quality evidence indicating the best range of hand washing frequency for disease prevention.
Early recognition of severe clinical outcomes in children with pneumonia-related bacteremia is vitally important because of the high mortality. This study aims to explore risk factors for severe clinical outcomes in children with pneumonia-related bacteremia and evaluate the value of time to first positive blood cultures (TTFP) in predicting prognosis. Children with pneumonia-related bacteremia in Children’s Hospital of Chongqing Medical University were included (January 2013–May 2019), respectively. TTFP and clinical parameters were collected and analyzed. The area under the curve (AUC)-receiver operating characteristic was used to evaluate the discrimination ability of TTFP. Multivariate logistic regression tests were performed to evaluate the association between TTFP and severe clinical outcomes. A total of 242 children with pneumonia-related bacteremia were included. The least absolute shrinkage and selection operator (LASSO) regression analysis identified TTFP, serum albumin (ALB) and lactic dehydrogenase (LDH) as predictors of in-hospital mortality. Multivariate logistic regression analysis showed that shorter TTFP (OR 0.94; 95% CI 0.89 to 0.97; p<0.01), lower ALB level (OR 0.93; 95% CI 0.89 to 0.98; p<0.01) and higher LDH level (OR 1.001; 95% CI 1.000 to 1.001; p<0.01) were risk factors for in-hospital mortality in children with pneumonia-related bacteremia. AUC of TTFP for predicting in-hospital mortality was 0.748 (95% CI 0.668 to 0.829). Shorter TTFP (≤16 hours) was associated with in-hospital mortality and septic shock. TTFP plays an important role in predicting severe clinical outcomes in children with pneumonia-related bacteremia.
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