Relationship between Self-Reported Maternal Substance Abuse and Adverse Outcomes in the Premature Newborn

American Journal of Perinatology
Oscar A ViteriSuneet P Chauhan

Abstract

This study aims to compare neonatal and long-term outcomes among preterm newborns from women with reported versus those who did not report substance abuse. Secondary analysis of a trial of magnesium sulfate for cerebral palsy prevention. Cases were pregnant women who reported substance abuse, controls were those who denied it. Study outcomes included (1) composite neonatal morbidity, defined as any of the following: Apgar score ≤ 3 at 5 minutes, seizures, culture-proven sepsis, necrotizing enterocolitis grades 2 or 3, intraventricular hemorrhage grades 3 or 4, and/or death before discharge; (2) infant and childhood morbidity, defined as stillbirth or death by 1 year, or moderate/severe cerebral palsy by age of 2. Among 1,972 women meeting the inclusion criteria, 197 (10%) reported substance abuse. Composite neonatal, infant, and childhood morbidity rates were similar between cases and controls. However, women reporting substance abuse who delivered between 32(0/7) and 36(6/7) weeks had a higher frequency of composite infant and childhood morbidity (6.5 vs. 1.0%; adjusted odds ratio, 6.5; 95% confidence interval, 1.14-36.99). Preterm birth was associated with similar composite neonatal morbidity between cases and controls. After...Continue Reading

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