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Background: Research into low-value routine testing at children's hospitals has not consistently evaluated changing patterns of testing over time., Objectives: To identify changes in routine laboratory testing rates at children's hospitals over ten years and the association with patient outcomes., Design, Settings, and Participants: We performed a multi-center, retrospective cohort study of children aged 0-18 hospitalized with common, lower-severity diagnoses at 28 children's hospitals in the Pediatric Health Information Systems database., Main Outcomes and Measures: We calculated average annual testing rates for complete blood counts, electrolytes, and inflammatory markers between 2010 and 2019 for each hospital. A >2% average testing rate change per year was defined as clinically meaningful and used to separate hospitals into groups: increasing, decreasing, and unchanged testing rates. Groups were compared for differences in length of stay, cost, and 30-day readmission or ED revisit, adjusted for demographics and case mix index., Results: Our study included 576,572 encounters for common, low-severity diagnoses. Individual hospital testing rates in each year of the study varied from 0.3 to 1.4 tests per patient day. The average yearly change in hospital-specific testing rates ranged from -6% to +7%. Four hospitals remained in the lowest quartile of testing and two in the highest quartile throughout all 10 years of the study. We grouped hospitals with increasing (8), decreasing (n = 5), and unchanged (n = 15) testing rates. No difference was found across subgroups in costs, length of stay, 30-day ED revisit, or readmission rates. Comparing resource utilization trends over time provides important insights into achievable rates of testing reduction., (© 2024 Society of Hospital Medicine.)

Background: Phlebotomy for hospitalized children has consequences (e.g., pain, iatrogenic anemia), and unnecessary testing is a modifiable source of waste in healthcare. Days without blood draws or phlebotomy-free days (PFDs) has the potential to serve as a hospital quality measure., Objective: To describe: (1) the frequency of PFDs in children hospitalized with common infections and (2) the association of PFDs with clinical outcomes., Design, Settings and Participants: We performed a cross-sectional study of children hospitalized 2018-2019 with common infections at 38 hospitals using the Pediatric Health Information System database. We included infectious All Patients Refined Diagnosis Related Groups with a median length of stay (LOS) >2 days. We excluded patients with medical complexity, interhospital transfers, those receiving intensive care, and in-hospital mortality., Main Outcome and Measures: We defined PFDs as hospital days (midnight to midnight) without laboratory blood testing and measured the proportion of PFDs divided by total hospital LOS (PFD ratio) for each condition and hospital. Higher PFD ratios signify more days without phlebotomy. Hospitals were grouped into low, moderate, and high average PFD ratios. Adjusted outcomes (LOS, costs, and readmissions) were compared across groups., Results: We identified 126,135 encounters. Bronchiolitis (0.78) and pneumonia (0.54) had the highest PFD ratios (most PFDs), while osteoarticular infections (0.28) and gastroenteritis (0.30) had the lowest PFD ratios. There were no differences in adjusted clinical outcomes across PFD ratio groups. Among children hospitalized with common infections, PFD ratios varied across conditions and hospitals, with no association with outcomes. Our data suggest overuse of phlebotomy and opportunities to improve the care of hospitalized children., (© 2024 Society of Hospital Medicine.)

Background and Objective: Children with gastrointestinal infections often require acute care.The objectives of this study were to describe variations in patterns of stool testing across children's hospitals and determine whether such variation was associated with utilization outcomes., Design, Settings and Participants: We performed a multicenter, cross-sectional study using the Pediatric Health Information System (PHIS) database. We identified stool testing (multiplex polymerase chain reaction [PCR], stool culture, ova and parasite, Clostridioides difficile, and other individual stool bacterial or viral tests) in children diagnosed with acute gastrointestinal infections., Main Outcome and Measures: We calculated the overall testing rates and hospital-level stool testing rates, stratified by setting (emergency department [ED]-only vs. hospitalized). We stratified individual hospitals into low, moderate, or high testing institutions. Generalized estimating equations were then used to examine the association of hospital testing groups and outcomes, specifically, length of stay (LOS), costs, and revisit rates., Results: We identified 498,751 ED-only and 40,003 encounters for hospitalized children from 2016 to 2020. Compared to ED-only encounters, stool studies were obtained with increased frequency among encounters for hospitalized children (ED-only: 0.1%-2.3%; Hospitalized: 1.5%-13.8%, all p < 0.001). We observed substantial variation in stool testing rates across hospitals, particularly during encounters for hospitalized children (e.g., rates of multiplex PCRs ranged from 0% to 16.8% for ED-only and 0% to 65.0% for hospitalized). There were no statistically significant differences in outcomes among low, moderate, or high testing institutions in adjusted models., Conclusions: Children with acute gastrointestinal infections experience substantial variation in stool testing within and across hospitals, with no difference in utilization outcomes. These findings highlight the need for guidelines to address diagnostic stewardship., (© 2023 Society of Hospital Medicine.)

Background: Current diagnostics do not permit reliable differentiation of bacterial from viral causes of lower respiratory tract infection (LRTI), which may lead to over-treatment with antibiotics for possible bacterial community-acquired pneumonia (CAP)., Objectives: We sought to describe variation in the diagnosis and treatment of bacterial CAP among children hospitalized with LRTIs and determine the association between CAP diagnosis and outcomes., Design, Setting and Participants: This multicenter cross-sectional study included children hospitalized between 2017 and 2019 with LRTIs at 42 children's hospitals., Main Outcome and Methods: We calculated the proportion of children with LRTIs who were diagnosed with and treated for bacterial CAP. After adjusting for confounders, hospitals were grouped into high, moderate, and low CAP diagnosis groups. Multivariable regression was used to examine the association between high and low CAP diagnosis groups and outcomes., Results: We identified 66,581 patients hospitalized with LRTIs and observed substantial variation across hospitals in the proportion diagnosed with and treated for bacterial CAP (median 27%, range 12%-42%). Compared with low CAP diagnosing hospitals, high diagnosing hospitals had higher rates of CAP-related revisits (0.6% [95% confidence interval: 0.5, 0.7] vs. 0.4% [0.4, 0.5], p = .04), chest radiographs (58% [53, 62] vs. 46% [41, 51], p = .02), and blood tests (43% [33, 53] vs. 26% [19, 35], p = .046). There were no significant differences in length of stay, all-cause revisits or readmissions, CAP-related readmissions, or costs., Conclusion: There was wide variation across hospitals in the proportion of children with LRTIs who were treated for bacterial CAP. The lack of meaningful differences in clinical outcomes among hospitals suggests that some institutions may over-diagnose and overtreat bacterial CAP., (© 2022 Society of Hospital Medicine.)

Background: Current guidelines recommend against neurodiagnostic testing for the evaluation of simple febrile seizures., Objectives: (1) Assess overall and institutional rates of neurodiagnostic testing and (2) establish achievable benchmarks of care (ABCs) for children evaluated for simple febrile seizures at children's hospitals., Design, Setting, and Participants: Cross-sectional study of children 6 months to 5 years evaluated in the emergency department (ED) 2016-2019 with simple febrile seizures at 38 children's hospitals in Pediatric Health Information System database. We excluded children with epilepsy, complex febrile seizures, complex chronic conditions, and intensive care., Outcome Measures: Proportions of children who received neuroimaging, electroencephalogram (EEG), or lumbar puncture (LP) and rates of hospitalization for study cohort and individual hospitals. Hospital-specific outcomes were adjusted for patient demographics and severity of illness. We utilized hospital-specific values for each measure to calculate ABCs., Results: We identified 51,015 encounters. Among the study cohort 821 (1.6%) children had neuroimaging, 554 (1.1%) EEG, 314 (0.6%) LP, and 2023 (4.0%) were hospitalized. Neurodiagnostic testing rates varied across hospitals: neuroimaging 0.4%-6.7%, EEG 0%-8.2%, LP 0%-12.7% in patients <1-year old and 0%-3.1% in patients ≥1 year. Hospitalization rate ranged from 0%-14.5%. Measured outcomes were higher among hospitalized versus ED-only patients: neuroimaging 15.3% versus 1.0%, EEG% 24.7 versus 0.1% (p < .001). Calculated ABCs were 0.6% for neuroimaging, 0.1% EEG, 0% LP, and 1.0% hospitalization., Conclusions: Rates of neurodiagnostic testing and hospitalization for simple febrile seizures were low but varied across hospitals. Calculated ABCs were 0%-1% for all measures, demonstrating that adherence to current guidelines is attainable., (© 2022 Society of Hospital Medicine.)

Background: There is a need for pediatric emergency medicine (PEM) researchers, but the current state of PEM fellow research training is not well described. We sought to (1) describe resources and gaps in PEM fellowship research training and (2) assess agreement between fellow and program director (PD) perceptions of these in fellow research experience., Methods: Surveys were distributed electronically to U.S. PEM fellows and PDs from March to April 2020. Fellows and PDs were queried on program research infrastructure and current gaps in fellow research experience. For programs that had at least one fellow and PD response, each fellow response was compared to their PD's corresponding response (reference standard). For each binary survey item, we determined the percent of responses with agreement between the fellow and PD., Results: Of 79 fellowship programs, 70 (89%) were represented with at least one response, including responses from 59 PDs (75%) and 218 fellows (39% of all fellows, representing 80% of programs). Fellows and PDs identified mentorship and faculty engagement as the most important needs for successful fellowship research; for every one fellow there was a median of 0.8 potential faculty mentors in the division. Twenty percent of fellows were not satisfied with mentorship opportunities. There was no association between fellow career research intent (high, defined as ≥20% dedicated time, or low) with current year of training (p = 0.88), program size (p = 0.67), and area of research focus (p = 0.40). Fellows were often unaware of research being performed by division faculty., Conclusion: PEM fellows were not consistently aware of resources available to support research training. To better support PEM fellows' research training, many programs may need to expand mentorship and increase fellows' awareness of local and external resources and opportunities., Competing Interests: The authors have no potential conflicts to disclose., (© 2021 by the Society for Academic Emergency Medicine.)

Background: Controversy exists regarding the optimal antibiotic regimen for use in hospitalized children with staphylococcal scalded skin syndrome (SSSS). Various regimens may confer toxin suppression and/or additional coverage for methicillin-susceptible Staphylococcus aureus (MSSA) or methicillin-resistant S aureus (MRSA)., Objectives: To describe antibiotic regimens in hospitalized children with SSSS and examine the association between antistaphylococcal antibiotic regimens and patient outcomes., Design/methods: Retrospective cohort study of children hospitalized with SSSS using the Pediatric Health Information System database (2011-2016). Children who received clindamycin monotherapy, clindamycin plus MSSA coverage (eg, nafcillin), or clindamycin plus MRSA coverage (eg, vancomycin) were included. The primary outcome was hospital length of stay (LOS); secondary outcomes were treatment failure and cost. Generalized linear mixed-effects models were used to compare outcomes among antibiotic groups., Results: Of 1,259 children included, 828 children received the most common antistaphylococcal antibiotic regimens: clindamycin monotherapy (47%), clindamycin plus MSSA coverage (33%), and clindamycin plus MRSA coverage (20%). Children receiving clindamycin plus MRSA coverage had higher illness severity (44%) compared with clindamycin monotherapy (28%) and clindamycin plus MSSA (32%) (P =.001). In adjusted analyses, LOS and treatment failure did not differ among the 3 regimens (P =.42 and P =.26, respectively). Cost was significantly lower for children receiving clindamycin monotherapy and highest in those receiving clindamycin plus MRSA coverage (mean, $4,839 vs $5,348, respectively; P <.001)., Conclusions: In children with SSSS, the addition of MSSA or MRSA coverage to clindamycin monotherapy was associated with increased cost and no incremental difference in clinical outcomes.

Objectives: We aimed to develop and test a tool to engage parents of febrile infants ≤ 60 days of age evaluated in the emergency department (ED). The tool was designed to improve communication for all parents and to support shared decision-making (SDM) about whether to perform a lumbar puncture (LP) for infants 29 to 60 days of age., Methods: We conducted a multiphase development and testing process: 1) individual, semistructured interviews with parents and clinicians (pediatric and general emergency medicine [EM] physicians and pediatric EM nurses) to learn their preferences for a communication and SDM tool; 2) design of a "storyboard" of the tool with design impression testing; 3) development of a software application (i.e., app) prototype, called e-Care; and 4) usability testing of e-Care, using qualitative assessment and the system usability scale (SUS)., Results: We interviewed 27 parents and 23 clinicians. Interviews revealed several themes, including that a communication tool should augment but not replace verbal communication; a Web-based format was preferred; and information about infections and testing, including the rationales for specific tests, would be valuable. We then developed separate versions of e-Care for infants ≤ 28 days and 29 to 60 days of age, in both English and Spanish. The e-Care app includes four sections: 1) homepage; 2) why testing is done; 3) what tests are done; and 4) what happens after testing, including a table for parents of infants 29 to 60 days of age to compare the risks/benefits of LP in preparation for an SDM conversation. Parents and clinicians reported that e-Care was understandable and helpful. The mean SUS score was 90.3 (95% confidence interval = 84 to 96.6), representing "excellent" usability., Conclusions: The e-Care app is a useable and understandable tool to support communication and SDM with parents of febrile infants ≤ 60 days of age in the ED., (© 2020 by the Society for Academic Emergency Medicine.)

Background: A "champagne tap" is a lumbar puncture with no cerebrospinal fluid (CSF) red blood cells (RBCs). Clinicians disagree whether the absence of CSF white blood cells (WBCs) is also required., Aims: As supervising providers frequently reward trainees after a champagne tap, we investigated how varying the definition impacted the frequency of trainee accolades., Materials & Methods: We performed a secondary analysis of a retrospective cross-sectional study of infants ≤60 days of age who had a CSF culture performed in the emergency department (ED) at one of 20 centers participating in a Pediatric Emergency Medicine Collaborative Research Committee (PEM CRC) endorsed study. Our primary outcomes were a champagne tap defined by either a CSF RBC count of 0 cells/mm 3 regardless of CSF WBC count or both CSF RBC and WBC counts of 0 cells/mm 3 ., Results: Of the 23,618 eligible encounters, 20,358 (86.2%) had both a CSF RBC and WBC count obtained. Overall, 3,147 (13.3%) had a CSF RBC count of 0 cells/mm 3 and 377 (1.6%) had both CSF WBC and RBC counts of 0 cells/mm 3 (relative rate 8.35, 95% confidence interval 7.51 to 9.27)., Conclusions: In infants, a lumbar puncture with a CSF RBC count of 0 cells/mm 3 regardless of the CSF WBC count occurred eight-times more frequently than one with both CSF WBC and RBC counts of 0 cells/mm 3 . A broader champagne tap definition would allow more frequent recognition of procedural success, with the potential to foster a supportive community during medical training, potentially protecting against burnout., (© 2020 by the Society for Academic Emergency Medicine.)

Although neonatal herpes simplex virus (HSV) causes significant morbidity, utilization of the cerebrospinal fluid (CSF) HSV polymerase chain reaction (PCR) test remains variable. Our objective was to examine the association of CSF HSV PCR testing with length of stay (LOS) in a 20-center retrospective cohort of hospitalized infants aged ≤60 days undergoing evaluation for meningitis after adjustment for patient-level factors and clustering by center. Of 20,496 eligible infants, 7,399 (36.1%) had a CSF HSV PCR test performed, and 46 (0.6% of those tested) had a positive test. Infants who had a CSF HSV PCR test performed had a 23% longer hospital LOS (incident rate ratio 1.23; 95% CI: 1.14-1.33). Targeted CSF HSV PCR testing may mitigate the impact on LOS for low-risk infants.

Background: Administrative data can be used to determine optimal management of febrile infants and aid clinical practice guideline development., Objective: Determine the most accurate International Classification of Diseases, Ninth Revision (ICD-9) diagnosis coding strategies for identification of febrile infants., Design: Retrospective cross-sectional study., Setting: Eight emergency departments in the Pediatric Health Information System., Patients: Infants aged <90 days evaluated between July 1, 2012 and June 30, 2013 were randomly selected for medical record review from 1 of 4 ICD-9 diagnosis code groups: (1) discharge diagnosis of fever, (2) admission diagnosis of fever without discharge diagnosis of fever, (3) discharge diagnosis of serious infection without diagnosis of fever, and (4) no diagnosis of fever or serious infection., Exposure: The ICD-9 diagnosis code groups were compared in 4 case-identification algorithms to a reference standard of fever ≥100.4°F documented in the medical record., Measurements: Algorithm predictive accuracy was measured using sensitivity, specificity, and negative and positive predictive values., Results: Among 1790 medical records reviewed, 766 (42.8%) infants had fever. Discharge diagnosis of fever demonstrated high specificity (98.2%, 95% confidence interval [CI]: 97.8-98.6) but low sensitivity (53.2%, 95% CI: 50.0-56.4). A case-identification algorithm of admission or discharge diagnosis of fever exhibited higher sensitivity (71.1%, 95% CI: 68.2-74.0), similar specificity (97.7%, 95% CI: 97.3-98.1), and the highest positive predictive value (86.9%, 95% CI: 84.5-89.3)., Conclusions: A case-identification strategy that includes admission or discharge diagnosis of fever should be considered for febrile infant studies using administrative data, though underclassification of patients is a potential limitation., (© 2015 Society of Hospital Medicine.)

Background: Differences among febrile infant institutional clinical practice guidelines (CPGs) may contribute to practice variation and increased healthcare costs., Objective: Determine the association between pediatric emergency department (ED) CPGs and laboratory testing, hospitalization, ceftriaxone use, and costs in febrile infants., Design: Retrospective cross-sectional study in 2013., Setting: Thirty-three hospitals in the Pediatric Health Information System., Patients: Infants aged ≤56 days with a diagnosis of fever., Exposures: The presence and content of ED-based febrile infant CPGs assessed by electronic survey., Measurements: Using generalized estimating equations, we evaluated the association between CPG recommendations and rates of urine, blood, cerebrospinal fluid (CSF) testing, hospitalization, and ceftriaxone use at ED discharge in 2 age groups: ≤28 days and 29 to 56 days. We also assessed CPG impact on healthcare costs., Results: We included 9377 ED visits; 21 of 33 EDs (63.6%) had a CPG. For neonates ≤28 days, CPG recommendations did not vary and were not associated with differences in testing, hospitalization, or costs. Among infants 29 to 56 days, CPG recommendations for CSF testing and ceftriaxone use varied. CSF testing occurred less often at EDs with CPGs recommending limited testing compared to hospitals without CPGs (adjusted odds ratio: 0.5, 95% confidence interval: 0.3-0.8). Ceftriaxone use at ED discharge varied significantly based on CPG recommendations. Costs were higher for admitted and discharged infants 29 to 56 days old at hospitals with CPGs., Conclusions: CPG recommendations for febrile infants 29 to 56 days old vary across institutions for CSF testing and ceftriaxone use, correlating with observed practice variation. CPGs were not associated with lower healthcare costs., (© 2015 Society of Hospital Medicine.)

Although patients with eczema herpeticum often receive antibiotics for presumed bacterial coinfection, the effect of empiric antibiotic therapy is unknown. Our objective therefore was to determine the association between empiric antibiotics and outcomes in children hospitalized with eczema herpeticum. We conducted a multicenter retrospective cohort study of 1,150 children ages 2 months to 17 years admitted with eczema herpeticum between January 1, 2001, and March 31, 2010, to 42 tertiary care children's hospitals in the Pediatric Health Information System. All patients received antibiotics during the hospitalization. Multivariable linear regression models determined the association between empiric antibiotic therapy and the main outcome measure: hospital length of stay (LOS). There were no deaths during the study period. Receipt of empiric antibiotics was not associated with a change in the LOS on unadjusted or multivariable analysis. The class of empiric antibiotic was not associated with the LOS except for receipt of vancomycin, which was associated with a longer LOS (21% adjusted longer LOS, 95% confidence interval (CI) = 8-35%; p = 0.001). When restricted to patients with a bloodstream infection, receipt of empiric antibiotics was associated with a 51% adjusted shorter LOS (95% CI = -24 to -68%; p = 0.002). In children hospitalized with eczema herpeticum, empiric antibiotic therapy was not associated with a shorter LOS overall, but was associated with a shorter LOS in patients with a bloodstream infection. These findings highlight the importance of early recognition of systemic bacterial illness in children with eczema herpeticum. Empiric antibiotics did not affect mortality, which is low., (© 2012 Wiley Periodicals, Inc.)

There is concern that the use of topical corticosteroids in patients with eczema herpeticum may facilitate dissemination of herpes simplex virus and worsen disease. Our primary aim therefore was to determine whether topical corticosteroid use in children hospitalized with eczema herpeticum is associated with longer hospital length of stay (LOS). We performed a multicenter retrospective cohort study of 1,331 children ages 2 months to 17 years admitted with a diagnosis of eczema herpeticum between January 1, 2001, and March 31, 2010, to 42 tertiary care children's hospitals in the Pediatric Health Information System database. Multivariable linear regression models determined the association between receipt of topical corticosteroid therapy on the first day of hospitalization and the main outcome measure: LOS. Receipt of topical corticosteroid therapy on day 1 of hospitalization was not associated with a longer LOS on unadjusted or multivariable analysis (p = 0.75). Receipt of topical calcineurin inhibitors during the hospitalization was also not associated with a longer LOS (p = 0.12). Receipt of systemic corticosteroids was associated with an 18% adjusted longer LOS (95% confidence interval 2%-36%; p = 0.03). Further study is needed to identify which children with eczema herpeticum may benefit from topical corticosteroids, but their use during active infection is not associated with poorer outcomes, although the use of systemic corticosteroids was associated with a longer LOS and should be avoided in patients with eczema herpeticum pending future prospective study., (© 2012 Wiley Periodicals, Inc.)