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To describe the patient characteristics, clinical management, and infectious etiology in critically ill children with bronchiolitis. The secondary objective was to determine the association between antibiotic use and hospital length of stay among patients without concomitant bacterial infections.Retrospective cohort study including patients ≤2 years old with bronchiolitis admitted to 3 Canadian pediatric intensive care units between 2016 and 2018.We included 372 patients with a median age of 2.1 months (interquartile range 1.2–6.6) and Pediatric Risk of Mortality III score 3.0 (interquartile range 0–3.0). Initial ventilatory management included high flow nasal cannula (28.2%) and noninvasive positive pressure ventilation (53.7%), of which 41.9% and 87.5%, respectively, did not require escalation of ventilatory support. Chest radiographs (81.7%) and respiratory virus testing (95.4%) were performed in most patients; 14.0% received systemic steroids. Respiratory syncytial virus was detected in 61.3% patients, and 7.5% had a culture-positive concomitant bacterial infection. Of 258 (69.4%) patients with a viral infection, only 45.3% received antibiotics. In this group, antibiotic use beyond 72 hours was not associated with hospital length of stay (ratio 1.14, 95% confidence interval 0.97–1.34).High flow nasal canulae and noninvasive ventilation are commonly used in severe bronchiolitis. Despite contrary evidence, steroids and antibiotics were also frequently used. Evidence-based guidelines specific to children with severe bronchiolitis are needed to improve the care delivered to this patient population.

Cardiac disease in children is associated with significant morbidity and mortality as well as increased health resource utilisation. There is a perception that there is a paucity of high-quality studies, particularly randomized controlled trials (RCTs), in the field of pediatric cardiology. We sought to identify, examine, and map the range of RCTs conducted in children with cardiac conditions, including the development of a searchable open-access database. A literature search was conducted encompassing MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials from inception to 2018. All English-language RCTs enrolling children (age 0-21 years) with cardiac conditions were included. Data extraction and risk of bias assessments were performed in duplicate via crowdsourcing for each eligible study and entered into an online database. A total of 933 RCTs met eligibility criteria. Median trial recruitment was 49 patients (interquartile range 30-86) with 18.9% of studies (n = 176) including > 100 patients. A wide variety of populations and interventions were encompassed with congenital heart disease (79.8% of RCTs) and medications (63.3% of RCTs) often studied. Just over one-half of the trials (53.4%) clearly identified a primary outcome, and fewer than half (46.6%) fully documented a robust randomization process. Trials were summarised in a searchable online database (https://pediatrics.knack.com/cardiology-rct-database#cardiology-rcts/). Contrary to a commonly held perception, there are nearly 1,000 published RCTs in pediatric cardiology. The open-access database created as part of this project provides a resource that facilitates an efficient comprehensive review of the literature for clinicians and researchers caring for children with cardiac issues.

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Limited evidence exists on the use of corticosteroids in pediatric shock. We sought to determine physicians’ practices and beliefs with regard to the management of pediatric shock.