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Introduction: Most providers have routinely performed universal lumbar puncture (LP) on well-appearing, febrile infants 22 to 28 days old. In 2021, the American Academy of Pediatrics recommended clinicians should perform an LP in this age group if inflammatory markers are abnormal. This quality improvement project aimed to decrease LP rates in febrile infants 22 to 28 days old in the emergency department (ED) within 1 year, regardless of race/ethnicity, from a baseline of 87%. Methods: We used our institution's quality improvement framework to perform multiple Plan-Do-Study-Act cycles. A multidisciplinary team reviewed the febrile infant literature, local epidemiology, and identified key drivers. We provided departmental education, updated our clinical pathway, and used clinical decision support. We analyzed baseline (January 2017-March 2022) and intervention data (April 2022-March 2024) and tracked data using statistical process control charts. Our primary outcome measure was rates of LP in the ED for this cohort. Process measures included rates of infants with procalcitonin results. ED length of stay, rates of first LP attempt after hospitalization, and missed bacterial meningitis were balancing measures. Results: The baseline LP rate of 87% decreased to 44% during the intervention period, resulting in a downward centerline shift. There were no significant differences when LP rates were analyzed by race/ethnicity. There was an upward centerline shift in the process measure of infants with procalcitonin results. There was no observed special cause variation in our balancing measures. Conclusion: Quality improvement efforts, including education, clinical pathway updates, and clinical decision support, safely reduced rates of LPs in febrile infants 22 to 28 days old.

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BACKGROUND: Stigma surrounds parental leave during general surgery residency, yet 25% to 29% of general surgery residents have children. Parental leave experiences of non-childbearing general surgery resident parents have not been described. This study aimed to describe the non-childbearing population's parental leave experiences. METHODS: Using a purposive sampling strategy, semi-structured interviews (n = 20) were conducted via Zoom (August 2021-March 2022) with current general surgery residents or fellows who had at least 1 child during residency as the non-childbearing parent. Interviews explored participants' experiences with parental leave policies, timing, structure, motivations/influences for taking leave, career/training impacts, and reflections on their experiences. Transcripts were analyzed using thematic content analysis. Participant demographics were analyzed using univariate analysis. RESULTS: Of the 20 participants, there were 31 unique parental leave experiences. The following 6 themes were identified from interviews: program/professional policies, cultural climate, support (institutional and social), parental leave experiences, impact, and recommendations. Participants cited needing to rely on informal support (eg, the assistance of other residents) to arrange leave and feeling compelled not to take the full time allowed in order to not burden co-residents or because others took less time. Overall, participants felt dissatisfied with their parental leave experiences. CONCLUSION: Non-childbearing general surgery resident parents underuse parental leave due to perceived or actual lack of access to leave and stigma. This results in dissatisfaction with their parental leave experiences and has the potential to lead to negative professional and personal outcomes. There is a critical need for improved support through cultural change and policy revision, implementation, and adherence.

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Our goal was to identify predictors of invasive bacterial infection (ie, bacteremia and bacterial meningitis) in febrile infants aged 2-6 months. In our multicenter retrospective cohort, older age and lower temperature identified infants at low risk for invasive bacterial infection who could safely avoid routine testing.

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In this multicenter, cross-sectional, secondary analysis of 4042 low-risk febrile infants, nearly 10% had a contaminated culture obtained during their evaluation (4.9% of blood cultures, 5.0% of urine cultures, and 1.8% of cerebrospinal fluid cultures). Our findings have important implications for improving sterile technique and reducing unnecessary cultures.

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The coronavirus disease (COVID-19) pandemic has led to an unprecedented public health crisis. Insufficient testing continues to limit the effectiveness of the global response to the COVID-19 pandemic. Molecular testing methods such as reverse transcriptase polymerase chain reaction (RT-PCR) continue to be highly centralized and are a sub-optimal option for population surveillance. Rapid antigen tests (Ag-RDTs) offer multiple benefits including low costs, high flexibility to conduct tests in a wide variety of settings, and faster return of results. Self-test Ag-RDTs (STs) have gained approval in several markets and offer the possibility to expand testing, reaching at-risk populations. While STs have the potential to assist the COVID-19 response, test result integrity, reporting, and appropriate linkage to care continue to hinder the widespread implementation of self-testing programs. This protocol presents a mixed-methods pragmatic trial (ISRCTN91602092) to better understand the feasibility of self-testing as part of a contact tracing strategy within the Brazilian public health system. Approximately 604 close contacts of 150 index cases testing positive for COVID-19 will be enrolled. Index cases will be randomized for their close contacts to participate in either serial (daily) self-testing over a 10-day follow-up period or a more traditional approach to contact tracing with a professional Ag-RDT at one time point post-exposure. Usability workshops and focus group discussions will also be conducted. This study protocol presents a comprehensive plan to assess the effectiveness, operational feasibility, and stakeholder preferences of a serial self-testing strategy for contact tracing within the Brazilian public health system. Our results will contribute to better understanding of the feasibility of a self-testing strategy within the public sector. Potential risks and limitations are discussed. Our findings will have important implications as governments continue working to mitigate the impact of COVID-19, particularly in the context of where to direct limited resources for testing and healthcare infrastructure. Registration: This trial is registered at ISCTRN (ISRCTN91602092).

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OBJECTIVE: To evaluate trends in lumbar puncture (LP) performance among US children's hospitals to assess how these trends may impact pediatric resident trainee exposure to LP. STUDY DESIGN: We quantified LPs for emergency department (ED) and inpatient encounters at 29 US children's hospitals from 2009 to 2019. LP was defined by either a LP procedure code or cerebrospinal fluid culture billing code. Temporal trends and hospital variation in LP were assessed using logistic regression analysis. RESULTS: A total of 215 030 LPs were performed during the study period (0.8% of all encounters). Twenty six thousand and five hundred twenty three and 16 696 LPs were performed in the 2009 and 2018 academic years, respectively (overall 37.1% reduction, per-year OR, 0.935; 95% CI, 0.922-0.948; P < .001), and the rate of LP decreased from 10.9 per 1000 hospital encounters to 6.0 per 1000 hospital encounters over the same period. CONCLUSIONS: LP rates have declined across US children's hospitals over the past decade, potentially resulting in reduced clinical exposure for pediatric resident trainees. Improved procedural simulation during residency may augment the clinical experience.

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Profiling floats equipped with bio-optical sensors well complement ship-based and satellite ocean color measurements by providing highly-resolved time-series data on the vertical structure of biogeochemical processes in oceanic waters. This is the first study to employ an autonomous profiling (APEX) float in the Gulf of Mexico for measuring spatiotemporal variability in bio-optics and hydrography. During the 17-month deployment (July 2011 to December 2012), the float mission collected profiles of temperature, salinity, chlorophyll fluorescence, particulate backscattering (bbp), and colored dissolved organic matter (CDOM) fluorescence from the ocean surface to a depth of 1,500 m. Biogeochemical variability was characterized by distinct depth trends and local "hot spots", including impacts from mesoscale processes associated with each of the water masses sampled, from ambient deep waters over the Florida Plain, into the Loop Current, up the Florida Canyon, and eventually into the Florida Straits. A deep chlorophyll maximum (DCM) occurred between 30 and 120 m, with the DCM depth significantly related to the unique density layer ρ = 1023.6 (R2 = 0.62). Particulate backscattering, bbp, demonstrated multiple peaks throughout the water column, including from phytoplankton, deep scattering layers, and resuspension. The bio-optical relationship developed between bbp and chlorophyll (R2 = 0.49) was compared to a global relationship and could significantly improve regional ocean-color algorithms. Photooxidation and autochthonous production contributed to CDOM distributions in the upper water column, whereas in deep water, CDOM behaved as a semi-conservative tracer of water masses, demonstrating a tight relationship with density (R2 = 0.87). In the wake of the Deepwater Horizon oil spill, this research lends support to the use of autonomous drifting profilers as a powerful tool for consideration in the design of an expanded and integrated observing network for the Gulf of Mexico.

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OBJECTIVE: To determine whether home care givers can accurately measure plasma sodium in children with diabetes insipidus (DI) by using an I-STAT portable clinical analyzer (PCA) and to collect preliminary data on home PCA use. STUDY DESIGN: Care givers of 4 children with DI and impaired thirst or inability to access water freely were instructed in PCA use. During an initial preclinical phase, the accuracy of sodium concentration measured by care givers was assessed by comparison to simultaneous analysis in a clinical laboratory. Participants were subsequently randomly assigned to daily home PCA monitoring or routine care. All participants crossed over from their original randomized group assignment to the alternate group. RESULTS: After a single education session, all care givers were able to perform PCA testing. There was good correlation between PCA and laboratory sodium (r = 0.92). On the basis of Error Grid Analysis, use of the PCA sodium would have resulted in treatment decisions identical to those made based on the laboratory sodium value in 62 of 66 instances. Four minor differences in treatment would have occurred. There was no statistically significant difference in clinical outcome during daily monitoring versus routine care. CONCLUSIONS: Results obtained by care givers using the PCA are sufficiently reliable for assessment of fluid status and making treatment decisions.

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