Level I, diagnostic study. See the Guidelines for Authors for a complete description of levels of evidence.
In this case series, we describe the clinical course and outcomes of 7 febrile infants aged ≤60 days with confirmed severe acute respiratory syndrome coronavirus 2 infection. No infant had severe outcomes, including the need for mechanical ventilation or ICU level of care. Two infants had concurrent urinary tract infections, which were treated with antibiotics. Although a small sample, our data suggest that febrile infants with severe acute respiratory syndrome coronavirus 2 infection often have mild illness.
Objective.Simulation-based medical education may aid to standardize clinical performance measures, though there is little evidence for using an immersive, mannequin-based simulation for knowledge acquisition. We predicted that residents who had participated in an immersive simulation exercise illustrating the use of a clinical decision rule plus routine instructional methods (experimental group) would understand and implement this tool better than interns who participated in an immersive simulation focused on traumatic brain injury with intracranial hypertension plus routine instructional methods (control group 1). We further predicted that interns in the experimental group would understand and implement this tool as well as senior residents with more clinical experience (control group 2). Methods. This was a single center, prospective, simulation-based, randomized controlled trial. Pediatric interns were randomly assigned to clinically integrated teaching, plus a single, immersive simulation and structured debrief aimed at teaching this tool in minor head trauma (intervention), or clinically integrated teaching plus a related simulation on intracranial hypertension. Senior residents were used as an historical control arm and did not participate in a simulated encounter. Results. 20 interns (ten per group) participated in the study. Senior residents (n=40) served as historical comparisons. Interns in the intervention group scored similar to senior residents on a structured clinical observation score (median 64% vs. 57%), and better than interns in the placebo group (median 64% vs. 43%). Conclusions. In this study, a single immersive simulation improved resident learning and application of a clinical prediction rule when compared to standard resident education.
A linear relationship exists between the volume of CSF removed and the amount of pressure relieved when the desired pressure change is less than 15 cm HO.
Background: Health insurance plans provide health programming access and affect physical activity levels in American youth, leading to health disparities in American children. The primary purpose of the current study was to investigate the relationship between health insurance status and physical activity level in American youth. Methods: A national, United States census weighted cross-sectional survey was performed analyzing 2002 noninstitutionalized children living in the United States between the ages of 10 to 18 years, equally split by age and sex, with state of residency and race/ethnicity proportional to the 2010 census distribution. Multiple linear regression was performed to investigate the relationship between insurance status and activity level (measured by HSS Pedi-FABS activity score) while controlling for relevant demographic and socioeconomic covariables. Results: HSS Pedi-FABS activity scores were normally distributed with a mean of 15.4±8.5 points (of 30 possible points). Patients with an insurance status of “government/Medicaid,” “other,” or “none” each demonstrated significantly lower physical activity scores (14.2±8.5 vs. 13.6±9.0 vs. 10.1±8.5) than children with private insurance (16.5±8.2) (one-way ANOVA with Dunnett-adjusted pairwise comparisons, P<0.001), which remained statistically significant while controlling for Area Deprivation Index, age, gender, race/ethnicity, and Body Mass Index (β=−1.8, P<0.001). Conclusions: Government/Medicaid health insurance status and lack of health care coverage are associated with low levels of physical activity in American children, even while controlling for socioeconomic confounders. Collaborative work between health care providers and community/ school-based programs may be a reasonable approach to expanding access to recreation, organized sports, and physical activity for publicly and uninsured children. Level of Evidence: Level II—Prognostic Study.
ImportanceInfluenza virus infections declined globally during the COVID-19 pandemic. Loss of natural immunity from lower rates of influenza infection and documented antigenic changes in circulating viruses may have resulted in increased susceptibility to influenza virus infection during the 2021-2022 influenza season.ObjectiveTo compare the risk of influenza virus infection among household contacts of patients with influenza during the 2021-2022 influenza season with risk of influenza virus infection among household contacts during influenza seasons before the COVID-19 pandemic in the US.Design, Setting, and ParticipantsThis prospective study of influenza transmission enrolled households in 2 states before the COVID-19 pandemic (2017-2020) and in 4 US states during the 2021-2022 influenza season. Primary cases were individuals with the earliest laboratory-confirmed influenza A(H3N2) virus infection in a household. Household contacts were people living with the primary cases who self-collected nasal swabs daily for influenza molecular testing and completed symptom diaries daily for 5 to 10 days after enrollment.ExposuresHousehold contacts living with a primary case.Main Outcomes and MeasuresRelative risk of laboratory-confirmed influenza A(H3N2) virus infection in household contacts during the 2021-2022 season compared with prepandemic seasons. Risk estimates were adjusted for age, vaccination status, frequency of interaction with the primary case, and household density. Subgroup analyses by age, vaccination status, and frequency of interaction with the primary case were also conducted.ResultsDuring the prepandemic seasons, 152 primary cases (median age, 13 years; 3.9% Black; 52.0% female) and 353 household contacts (median age, 33 years; 2.8% Black; 54.1% female) were included and during the 2021-2022 influenza season, 84 primary cases (median age, 10 years; 13.1% Black; 52.4% female) and 186 household contacts (median age, 28.5 years; 14.0% Black; 63.4% female) were included in the analysis. During the prepandemic influenza seasons, 20.1% (71/353) of household contacts were infected with influenza A(H3N2) viruses compared with 50.0% (93/186) of household contacts in 2021-2022. The adjusted relative risk of A(H3N2) virus infection in 2021-2022 was 2.31 (95% CI, 1.86-2.86) compared with prepandemic seasons.Conclusions and RelevanceAmong cohorts in 5 US states, there was a significantly increased risk of household transmission of influenza A(H3N2) in 2021-2022 compared with prepandemic seasons. Additional research is needed to understand reasons for this association.
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.
BackgroundThe currently accepted ranges for “normal” serum vitamin D have recently been challenged in adults on the basis that healthy bone metabolism requires higher levels of vitamin D than previously thought.PurposeThe purpose of this study was to evaluate whether a new “biologically based” classification based on 25(OH)vitamin D levels that invoke an endocrine biomarker response (<20 ng/mL for deficiency and <32 ng/mL for insufficiency) is more appropriate for children with fractures than historical criteria.MethodsSerum 25(OH)vitamin D levels were collected from 58 children with acute low-energy fractures from an outpatient orthopedic clinic from 2009 to 2012. These vitamin D levels were compared with a cohort of 103 children with chronic kidney disease (CKD) from an adjacent clinic, a condition with acknowledged low levels of vitamin D. Then, the prevalence of vitamin D sufficiency in the fracture cohort was evaluated and compared using both historical guidelines and newer biologically based criteria.Results25(OH)vitamin D levels in the fracture cohort did not differ from levels in the CKD cohort (27.5 vs. 24.6 ng/mL) indicating a similar distribution of vitamin D levels. This finding was consistent when controlling for significant covariables using linear regression analyses. In the fracture cohort, there was a discrepancy between historical and biologically based criteria in 64% of children.ConclusionsThe results of the current study suggest that fracture patients are more frequently vitamin D deficient than previously thought. This finding is more readily apparent when newer biologically based criteria for vitamin D sufficiency are used.Electronic supplementary materialThe online version of this article (doi:10.1007/s11420-015-9447-7) contains supplementary material, which is available to authorized users.
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