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Pediatrics ; 142(6)2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-30381474


: media-1vid110.1542/5839981580001PEDS-VA_2018-0290Video Abstract OBJECTIVES: To determine the association of antibiotic use with weight outcomes in a large cohort of children. METHODS: Health care data were available from 2009 to 2016 for 35 institutions participating in the National Patient-Centered Clinical Research Network. Participant inclusion required same-day height and weight measurements at 0 to <12, 12 to <30, and 48 to <72 months of age. We assessed the association between any antibiotic use at <24 months of age with BMI z score and overweight or obesity prevalence at 48 to <72 months (5 years) of age, with secondary assessments of antibiotic spectrum and age-period exposures. We included children with and without complex chronic conditions. RESULTS: Among 1 792 849 children with a same-day height and weight measurement at <12 months of age, 362 550 were eligible for the cohort. One-half of children (52%) were boys, 27% were African American, 18% were Hispanic, and 58% received ≥1 antibiotic prescription at <24 months of age. At 5 years, the mean BMI z score was 0.40 (SD 1.19), and 28% of children had overweight or obesity. In adjusted models for children without a complex chronic condition at 5 years, we estimated a higher mean BMI z score by 0.04 (95% confidence interval [CI] 0.03 to 0.05) and higher odds of overweight or obesity (odds ratio 1.05; 95% CI 1.03 to 1.07) associated with obtaining any (versus no) antibiotics at <24 months. CONCLUSIONS: Antibiotic use at <24 months of age was associated with a slightly higher body weight at 5 years of age.

Antibacterianos/administração & dosagem , Antibacterianos/efeitos adversos , Peso Corporal/efeitos dos fármacos , Peso Corporal/fisiologia , Obesidade Pediátrica/induzido quimicamente , Obesidade Pediátrica/epidemiologia , Índice de Massa Corporal , Pré-Escolar , Estudos de Coortes , Esquema de Medicação , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Obesidade Pediátrica/diagnóstico
Acad Pediatr ; 18(5): 569-576, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29477481


OBJECTIVES: The National Patient-Centered Clinical Research Network (PCORnet) supports observational and clinical research using health care data. The PCORnet Antibiotics and Childhood Growth Study is one of PCORnet's inaugural observational studies. We sought to describe the processes used to integrate and analyze data from children across 35 participating institutions, the cohort characteristics, and prevalence of antibiotic use. METHODS: We included children in the cohort if they had at least one same-day height and weight measured in each of 3 age periods: 1) before 12 months, 2) 12 to 30 months, and 3) after 24 months. We distributed statistical queries that each institution ran on its local version of the PCORnet Common Data Model, with aggregate data returned for analysis. We defined overweight or obesity as age- and sex-specific body mass index ≥85th percentile, obesity ≥95th percentile, and severe obesity ≥120% of the 95th percentile. RESULTS: A total of 681,739 children met the cohort inclusion criteria, and participants were racially/ethnically diverse (24.9% black, 17.5% Hispanic). Before 24 months of age, 55.2% of children received at least one antibiotic prescription; 21.3% received a single antibiotic prescription; 14.3% received 4 or more; and 33.3% received a broad-spectrum antibiotic. Overweight and obesity prevalence was 27.6% at age 4 to <6 years (n = 362,044) and 36.2% at 9 to <11 years (n = 58,344). CONCLUSIONS: The PCORnet Antibiotics and Childhood Growth Study is a large national longitudinal observational study in a diverse population that will examine the relationship between early antibiotic use and subsequent growth patterns in children.

Antibacterianos/uso terapêutico , Uso de Medicamentos/estatística & dados numéricos , Sobrepeso/epidemiologia , Estatura , Índice de Massa Corporal , Peso Corporal , Criança , Pré-Escolar , Estudos de Coortes , Feminino , Humanos , Lactente , Estudos Longitudinais , Masculino , Assistência Centrada no Paciente , Estados Unidos/epidemiologia