Necrotizing Enterocolitis and Associated Mortality in Neonates With Congenital Heart Disease: A Multi-Institutional Study.
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In brief
In brief
Multi-institutional study of 38,770 neonates found 3.7% necrotizing enterocolitis prevalence in congenital heart disease patients, with highest rates in hypoplastic left heart syndrome and truncus arteriosus. NEC doubled mortality risk and significantly increased hospital costs and length of stay, with prematurity identified as a key risk factor.
Written by the GCMD Library team from the article.
OBJECTIVE:
There are scarce data about the prevalence and mortality of necrotizing enterocolitis in neonates with congenital heart disease. The purpose of this study is to provide a multi-institutional description and comparison of the overall prevalence and mortality of necrotizing enterocolitis in neonates with congenital heart disease.
DESIGN:
Retrospective multi-institutional study.
SETTING:
The Pediatric Health Information System database.
PATIENTS:
Neonates with congenital heart disease between 2004 and 2014.
INTERVENTIONS:
None.
MEASUREMENTS AND MAIN RESULTS:
The primary study measure is the prevalence of necrotizing enterocolitis. Secondary measures include in-hospital mortality, hospital charges, ICU length of stay, hospital length of stay, and 30-day readmission. The prevalence of necrotizing enterocolitis was 3.7% (1,448/38,770) and varied significantly among different congenital heart disease diagnoses. The lowest prevalence of necrotizing enterocolitis was in transposition of the great arteries (n = 104, 2.1%). Compared with transposition of the great arteries, necrotizing enterocolitis occurred more frequently in neonates with hypoplastic left heart syndrome (odds ratio, 2.7; 95% CI, 2.1-3.3), truncus arteriosus (odds ratio, 2.6; 95% CI, 1.9-3.5), common ventricle (odds ratio, 2.1; 95% CI, 1.5-2.8), and aortic arch obstruction (odds ratio, 1.4; 95% CI, 1.1-1.7). Prematurity is a significant risk factor for necrotizing enterocolitis and for mortality in neonates with necrotizing enterocolitis, conferring varying risk by cardiac diagnosis. Unadjusted mortality associated with necrotizing enterocolitis was 24.4% (vs 11.8% in neonates without necrotizing enterocolitis; p < 0.001), and necrotizing enterocolitis increased the adjusted mortality in neonates with transposition of the great arteries (odds ratio, 2.5; 95% CI, 1.5-4.4), aortic arch obstruction (odds ratio, 1.8; 95% CI, 1.3-2.6), and tetralogy of Fallot (odds ratio, 1.6; 95% CI, 1.1-2.4). Necrotizing enterocolitis was associated with increased hospital charges (p < 0.0001), ICU length of stay (p = 0.001), and length of stay (p = 0.001).
CONCLUSIONS:
The prevalence of necrotizing enterocolitis among neonates with congenital heart disease is 3.7% and is associated with increased in-hospital mortality, length of stay, and hospital charges. The prevalence and associated mortality of necrotizing enterocolitis in congenital heart disease vary among different heart defects.
doi: 10.1097/PCC.0000000000002133