Day-by-day postnatal survival in very low birth weight infants

Pediatrics
Mohamed A MohamedHany Aly

Abstract

Postnatal survival rates of very low birth weight (VLBW) infants are well established for each birth weight or gestational age category. These figures do not differentiate viable infants who survive the first few days of life from extremely immature ones who die shortly after birth. This study aimed to develop standardized curves for day-by-day postnatal survival rates of VLBW infants. National Inpatient Sample Database and its pediatrics-only subportion were analyzed for the years 1997-2004. Infants with birth weight <1500 g were included in the study. Infants were classified according to their birth weight into 4 groups: <500, 500 to 749, 750 to 999, and 1000 to 1499 g. Postnatal survival rates were calculated for each group at birth and at 1, 2, 3, 4 to 5, 6 to 7, 14, 21, 28, and >28 postnatal days. Overall survival for infants with birth weight <500 g was 8%. Those who lived through the first 3 days of life had a chance of survival up to 50%. Infants in the 500- to 749-g group had overall survival rate of 50% that increased to 70% if they survived through the third day and 80% by the end of the first week. There was no improvement in the overall survival of any birth weight category over the years of the study. VLBW infants...Continue Reading

Citations

Sep 17, 2014·Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies·Amanda RuthKiran B Hebbar
Jan 5, 2016·Revista paulista de pediatria : orgão oficial da Sociedade de Pediatria de São Paulo·Eveline Campos Monteiro de CastroRuth Guinsburg
Dec 3, 2013·Seminars in Perinatology·Hamisu M SalihuKristen Chandler
Jan 22, 2015·The New England Journal of Medicine·Ravi M PatelUNKNOWN Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network
Feb 17, 2017·Journal of Perinatology : Official Journal of the California Perinatal Association·M A SteurerE E Rogers
Dec 10, 2019·The Clinical Respiratory Journal·Gülsüm Kadıoğlu ŞimşekŞerife Suna Oğuz
Mar 24, 2020·Journal of Perinatology : Official Journal of the California Perinatal Association·J PatelJ Desai
Apr 24, 2019·Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies·Jae Hyun ParkUNKNOWN Korean Neonatal Network

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