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Original Article
  |   Neonatal Med_25_1_29_36.pdf
Neonatal Med February;25(1):29-36.
Published online 2018 February 28
Copyright ⓒ 2018 Neonatal Medicine Neonatal Medicine
Changes of Mortality and Morbidity of Very Low Birth Weight Infants after Neonatal Intensive Care Unit Strategy Alteration in a Single Center: Comparison with 2015 Korean Neonatal Network Report
Seung Mi Jung, Min Jeong Seok, Ji Yong Chun, and Tae-Jung Sung
Department of Pediatrics, Kangnam Sacred Heart Hospital, Hallym University Medical Center, Seoul, Korea
Corresponding Author: Tae-Jung Sung , Tel: +82-2-829-5142 , Fax: +82-2-829-4469 , Email: neosung@hallym.or.kr
Purpose: The purpose of this study was to investigate the outcome after changes in the treatment strategies for very low birth weight infant (VLBWI) in a single neonatal intensive care unit (NICU) center. Methods: We performed a retrospective review of 300 VLBWI born from 1st January 2010 to 31th December 2016. We compared the outcomes including survival rate, birth weight (BW), gestational age (GA), and morbidities between period I (2010- 2013, P-I) and period II (2014-2016, P-II). Results: The average survival rate was not different between P-I and P-II. However, the survival rate of ≤24 weeks’ GA, 25 weeks’ GA, 26 weeks’ GA were 57%, 69%, 93% respectively in P-II and 31%, 59%, 87% in P-I respectively. The survival rate of infants with birth weight <500 g, 500-749 g, 750-999 g were 100%, 55%, 90% respectively in P- II and 50%, 24%, 80%, respectively in P-I. The incidence of bronchopulmonary dysplasia (BPD) was higher in P-II than in P-I (P=0.012) and moderate-to-severe BPD was also higher in P-II (P=0.004). Incidence of patent ductus arteriosus (PDA) with treatment, necrotizing enterocolitis (stage ≥2), and abnormal brain sonography were significantly lower in P-II (P=0.027, P=0.032, P=0.005). Incidences of retinopathy of prematurity (ROP) with laser treatment and early sepsis were not different. Conclusion: The survival rate and complications of VLBWI were improved in period II, especially in less than 750 g and below 26 weeks, except incidence of BPD. Changes of NICU strategies were effective to improve mortality and morbidity in VLBWI.
Keywords: Very low birth weight infant, Mortality, Morbidity, Intensive care unit, Complication
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