Publications by authors named "Sandra Arnold"

Article Synopsis
  • The study focused on understanding the causes and severity of pneumonia in children by analyzing their blood RNA to find specific gene expressions linked to different microbial infections.
  • Researchers examined 222 hospitalized children with pneumonia and identified 11 genes that help differentiate between viral and bacterial infections, as well as 16 genes that distinguish between typical and atypical bacterial strains.
  • The findings reveal 19 genes related to pneumonia severity, suggesting that these genetic markers could enhance future diagnostic and prognostic methods for childhood pneumonia.
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The aim of this study was to compare sequelae and acute kidney injury (AKI) occurrence among patients with necrotizing enterocolitis (NEC) after changing institutional guidelines replacing vancomycin with ampicillin for gram-positive coverage. This was a retrospective, single-center cohort analysis of patients from 2016-2020 (n = 73) with NEC at a surgical neonatal intensive care unit with a high community prevalence of methicillin-resistant (MRSA). Multivariate logistic regression was utilized to assess associations.

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This clinical practice guideline for the diagnosis and treatment of acute bacterial arthritis (ABA) in children was developed by a multidisciplinary panel representing the Pediatric Infectious Diseases Society (PIDS) and the Infectious Diseases Society of America (IDSA). This guideline is intended for use by healthcare professionals who care for children with ABA, including specialists in pediatric infectious diseases and orthopedics. The panel's recommendations for the diagnosis and treatment of ABA are based upon evidence derived from topic-specific systematic literature reviews.

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A comprehensive, evidence-based onboarding program benefits healthcare workers and institutions. Many institutions do not have onboarding programs for new nurse practitioners (NPs). In this quality improvement initiative, a standardized onboarding program was developed.

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Previous studies have identified cytokines associated with respiratory virus infection illness outcome. However, few studies have included comprehensive cytokine panels, longitudinal analyses, and/or simultaneous assessment across the severity spectrum. This, coupled with subjective definitions of cytokine storm syndrome (CSS), have contributed to inconsistent findings of cytokine signatures, particularly with COVID severity.

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Objective: To evaluate the association between consolidation on chest radiograph and typical bacterial etiology of childhood community acquired pneumonia (CAP) in the Etiology of Pneumonia in the Community study.

Study Design: Hospitalized children <18 years of age with CAP enrolled in the Etiology of Pneumonia in the Community study at 3 children's hospitals between January 2010 and June 2012 were included. Testing of blood and respiratory specimens used multiple modalities to identify typical and atypical bacterial, or viral infection.

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Background: Severe asthma exacerbations in pediatric patients occur frequently and can require pediatric intensive care unit (PICU) admission.

Objective: To determine if early administration of intravenous magnesium sulfate (IVMg) to pediatric patients experiencing severe asthma exacerbations, defined as a respiratory clinical score (RCS) of 9 to 12, resulted in fewer PICU admissions.

Methods: Retrospective chart review of pediatric patients aged from 2 to 17 years presenting with a severe asthma exacerbation to a single tertiary care pediatric emergency department.

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Objectives: Bronchiolitis is a viral respiratory infection that can progress to acute respiratory failure. This study evaluated the variability of hospital-wide high-flow nasal cannula (HFNC) usage outside of the ICU and its association with length of stay (LOS) and cost among pediatric patients admitted with bronchiolitis.

Methods: This study included patients <2 years old admitted with bronchiolitis between September 1, 2018 and March 31, 2019.

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Background And Objectives: No standardized risk assessment tool exists for community-acquired pneumonia (CAP) in children. This study aims to investigate the association between red blood cell distribution width (RDW) and pediatric CAP.

Methods: Data prospectively collected by the Etiology of Pneumonia in the Community study (2010-2012) was used.

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Background: The Infectious Diseases Society of America (IDSA) guidelines for the management of histoplasmosis were last revised 15 years ago. Since those guidelines were compiled, new antifungal treatment options have been developed. Furthermore, the ongoing development of immunomodulatory therapies has increased the population at increased risk to develop histoplasmosis.

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Background: Diagnostic testing for bacterial etiology of community-acquired pneumonia (CAP) is insensitive. Induced sputum (IS) is an attractive option for the evaluation of the lower respiratory tract.

Methods: Children aged 0-18 years with CAP were enrolled in the Etiology of Pneumonia in the Community (EPIC) study between 2010 and 2012.

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Broader spectrum Gram-negative antibiotics are commonly utilized empirically for central line-associated bloodstream infections (CLABSI) in febrile short bowel syndrome (SBS) patients receiving home parenteral nutrition compared to those used empirically for inpatient-acquired CLABSI. This analysis reports 57 CLABSI in 22 patients with SBS admitted from the community and 78 inpatient-acquired CLABSI in 76 patients over a 5-year period. Proportional Gram-negative CLABSI was similar between the SBS and inpatient-acquired cohorts (43.

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In this survey study of institutions across the US, marked variability in evaluation, treatment, and follow-up of adolescents 12 through 18 years of age with mRNA coronavirus disease 2019 (COVID-19) vaccine-associated myopericarditis was noted. Only one adolescent with life-threatening complications was reported, with no deaths at any of the participating institutions.

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Reports analyzing the impact of pediatric antimicrobial stewardship programs (ASP) over long periods of time are lacking. We thus report our ASP experience in a pediatric tertiary referral center over a long-term period from 2011 to 2018. Our ASP was implemented in 2011.

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The most narrow-spectrum antibiotic possible should be used for empiric and definitive treatment of pediatric urinary tract infections (UTIs). The objectives of this study were to determine an appropriate narrow-spectrum antibiotic for empiric UTI treatment, factors differentiating empiric first-generation cephalosporin (FGC) versus third-generation cephalosporin (TGC) coverage, and factors associated with unnecessarily broad-spectrum definitive antibiotic treatment. This was a retrospective chart review of children admitted from 2013 to 2015 who were diagnosed with a UTI and received treatment.

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This clinical practice guideline for the diagnosis and treatment of acute hematogenous osteomyelitis (AHO) in children was developed by a multidisciplinary panel representing Pediatric Infectious Diseases Society (PIDS) and the Infectious Diseases Society of America (IDSA). This guideline is intended for use by healthcare professionals who care for children with AHO, including specialists in pediatric infectious diseases, orthopedics, emergency care physicians, hospitalists, and any clinicians and healthcare providers caring for these patients. The panel's recommendations for the diagnosis and treatment of AHO are based upon evidence derived from topic-specific systematic literature reviews.

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Particulate matter exposure is a risk factor for lower respiratory tract infection in children. Here, we investigated the geospatial patterns of community-acquired pneumonia and the impact of PM (particulate matter with an aerodynamic diameter ≤2.5 µm) on geospatial variability of pneumonia in children.

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Although Fusobacterium necrophorum is well described as an emerging pathogen of acute mastoiditis in young children, infection with other anaerobes can lead to similar severe sequelae including intracranial and extracranial suppurative thrombophlebitis and sepsis. We describe a patient whose unremarkable exposure history assumed increased significance upon obtaining the results of 16S next generation sequencing from a surgical specimen. The novel pathogen Bacteroides pyogenes is reviewed herein.

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Background: Citrobacter, Enterobacter, Morganella, and Serratia (AmpC organisms) species can exhibit third-generation cephalosporin (TGC) resistance after TGC exposure. We aimed to assess if institutional TGC utilization correlated with institutional AmpC organism susceptibility and if prior TGC exposure ≤48 hours were associated with TGC resistance in the first culture of a future infection episode caused by an AmpC organism.

Methods: A 5-year retrospective cohort study was performed, including AmpC organisms isolated from pediatric urinary and respiratory tract cultures at an institution with TGC courses reviewed by the antimicrobial stewardship program at 48 hours.

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Background: Parainfluenza virus (PIV) is a leading cause of lower respiratory tract infections. Although there are several distinct PIV serotypes, few studies have compared the clinical characteristics and severity of infection among the individual PIV serotypes and between PIV and other pathogens in patients with community-acquired pneumonia.

Methods: We conducted active population-based surveillance for radiographically confirmed community-acquired pneumonia hospitalizations among children and adults in 8 US hospitals with systematic collection of clinical data and respiratory, blood, and serological specimens for pathogen detection.

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Purpose: Examine the concurrent validity of the School Outcomes Measure (SOM) and the School Function Assessment (SFA) in students kindergarten through sixth grade.

Methods: Twenty-four school-based therapists completed the SOM and the SFA for 42 students, representing Gross Motor Function Classification System (GMFCS) levels I to V.

Results: Correlation coefficients between SOM Self-Care, Mobility, and Assuming Student's Role median total scores and the 21 SFA Activity Performance scale median criterion scores were statistically significant.

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Purpose: To ascertain the variables predicting the gap between ideal and actual practice in embedding school-based physical therapy services.

Methods: School-based physical therapists completed an online survey estimating ideal and actual practice of embedding physical therapy services. Predictive modeling was used to determine whether disability, interventions, goals, families, teachers, workload, billing, and/or contracts predicted the gap between estimated ideal and actual practice.

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Background: Human metapneumovirus (HMPV) is a leading cause of respiratory tract infections. Few studies have compared the clinical characteristics and severity of HMPV-associated pneumonia with other pathogens.

Methods: Active, population-based surveillance was previously conducted for radiographically confirmed, community-acquired pneumonia hospitalizations among children and adults in 8 United States hospitals.

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Objective: To examine the differences in family eating behaviors and child eating patterns in children with siblings (nonsingletons) and without siblings (singletons).

Methods: Cross-sectional analysis of mother-child dyads of 5-7-year-old children, (nonsingletons with a 2-to-4-year-old sibling) was conducted. Anthropometrics were measured.

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Background: Mediastinal lymphadenopathy (ML) in children can arise from malignancy, infection, or rheumatic illness among others, and may be found incidentally on imaging or during workup for a variety of symptoms. Our aim was to describe the clinical presentation and natural history of histoplasmosis in children who present to a tertiary care center with ML in an endemic area of the country.

Methods: After institutional review board approval, a retrospective study of all children (aged < 21 y) presenting with proven (positive serologies) or suspected histoplasmosis (negative serologies, negative tuberculosis testing, and benign outcomes in follow-up) over a 5-y period was done.

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