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  • Title: Role of delayed cord clamping in prevention of necrotizing enterocolitis in preterm neonates: a systematic review.
    Author: Garg BD, Kabra NS, Bansal A.
    Journal: J Matern Fetal Neonatal Med; 2019 Jan; 32(1):164-172. PubMed ID: 28826265.
    Abstract:
    BACKGROUND: Necrotizing enterocolitis (NEC) is one of the leading causes of neonatal mortality and morbidity particularly in very-low-birth-weight (VLBW) neonates. The incidence of NEC varies across countries and neonatal centers in between 7% and 14%. AIMS: The aim of this study is to evaluate the role of delayed cord clamping (DCC) for prevention of NEC in preterm neonates. METHOD: The literature search was done for various randomized control trial (RCT) by searching the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, EMBASE, ongoing clinical trials, and abstract of conferences. RESULTS: This review included six RCTs that fulfilled inclusion criteria. There was statistically significant reduction in the incidence of NEC in DCC group (12.2% versus 20.6%; risk ratio (RR) 0.59; 95% CI 0.37-0.94; p = .02; number needed to treat (NNT) 12). However, mortality due to any cause before hospital discharge was not statistically significant (RR 0.80; 95% CI 0.33-2.00; p = .64). CONCLUSION: The role of DCC in the prevention of NEC is supported by the current evidences. However, given the small sample sizes and other limitations of these studies, current evidences are not sufficient. We need large high-quality trials, with sufficient power to reliably assess clinically relevant differences in important outcomes.
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