Background Our objective is to identify seasonal and weather trends associated with pediatric trauma admissions. Methods We reviewed all trauma activations leading to admission in patients ≤18 years admitted to a regional pediatric trauma center from January 1, 2000, to December 31, 2015. We reviewed climatologic measures of the mean temperature, mean visibility, and precipitation for each admission in the 6 h prior to each presentation in addition to time of arrival, weekday/weekend presentation, and season. We used a negative binomial regression model with multivariable analysis to estimate associations between weather and rate of trauma admissions. Results were presented as incidence rate ratios (IRR) with 95% confidence intervals (CI). Results In total, 3856 encounters [2539 males (65.8%), mean age 10.2 years ± SD 5.1 years] were included. Results from multivariable analysis (IRR, 95% CI) suggested an association of admissions with rain (0.82, 0.75–0.90) and overnight hours (23:51–05:50; 0.69, 0.58–0.82) as compared to morning (05:51–11:50). The IRR of trauma increased during the afternoon (11:51–17:50; 4.05, 3.57–4.61), night periods (17:51–23:50; 5.59, 4.94–6.33), and weekends (1.24, 1.15–1.32), and with every 1 °C increase in temperature (1.04, 1.03–1.04). After accounting for other variables, season was not found to be independently predictive of trauma admission. Conclusion Trauma admissions had a higher rate during afternoon, evening hours, and weekends. The presence of rain lowered the rate of pediatric trauma admission. Each degree increase in temperature increased the rate of trauma admissions by 4%. The findings provide information from the perspective of emergency preparedness, resource utilization, and staffing to pediatric trauma centers.
Many ED referrals directed from urgent care centers in our sample were considered essential, and few were considered serious. Urgent care centers should develop educational and preparedness strategies based on the epidemiology of emergencies that may occur.
OBJECTIVES: To determine the prevalence of invasive bacterial infections (IBIs) and adverse events in afebrile infants with acute otitis media (AOM). METHODS: We conducted a 33-site cross-sectional study of afebrile infants ≤90 days of age with AOM seen in emergency departments from 2007 to 2017. Eligible infants were identified using emergency department diagnosis codes and confirmed by chart review. IBIs (bacteremia and meningitis) were determined by the growth of pathogenic bacteria in blood or cerebrospinal fluid (CSF) culture. Adverse events were defined as substantial complications resulting from or potentially associated with AOM. We used generalized linear mixed-effects models to identify factors associated with IBI diagnostic testing, controlling for site-level clustering effect. RESULTS: Of 5270 infants screened, 1637 met study criteria. None of the 278 (0%; 95% confidence interval [CI]: 0%–1.4%) infants with blood cultures had bacteremia; 0 of 102 (0%; 95% CI: 0%–3.6%) with CSF cultures had bacterial meningitis; 2 of 645 (0.3%; 95% CI: 0.1%–1.1%) infants with 30-day follow-up had adverse events, including lymphadenitis (1) and culture-negative sepsis (1). Diagnostic testing for IBI varied across sites and by age; overall, 278 (17.0%) had blood cultures, and 102 (6.2%) had CSF cultures obtained. Compared with infants 0 to 28 days old, older infants were less likely to have blood cultures (P < .001) or CSF cultures (P < .001) obtained. CONCLUSION: Afebrile infants with clinician-diagnosed AOM have a low prevalence of IBIs and adverse events; therefore, outpatient management without diagnostic testing may be reasonable.
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