• Diana Ungureanu, Nansi S Boghossian, and Laura Mihaela Suciu.
• Neonatology Department, Maternity Hospital "Ioan Aurel Sbârcea", 500025 Brasov, Romania.
• Medicina (Kaunas). 2022 Jul 29; 58 (8).

AbstractBackground and Objectives: Extremely preterm infants were at increased risk of mortality and morbidity. The purpose of this study was to: (1) examine changes over time in perinatal management, mortality, and major neonatal morbidities among infants born at 250-286 weeks' gestational age and cared for at one Romanian tertiary care unit and (2) compare the differences with available international data. Material and Methods: This study consisted of infants born at 250-286 weeks in one tertiary neonatal academic center in Romania during two 4-year periods (2007-2010 and 2015-2018). Major morbidities were defined as any of the following: severe intraventricular hemorrhage (IVH), severe retinopathy of prematurity (ROP), necrotizing enterocolitis (NEC), and bronchopulmonary dysplasia (BPD). Adjusted logistic regression models examined the association between the mortality and morbidity outcome and the study period. Results: The two cohorts differed with respect to antenatal antibiotics and rates of cesarean birth but had similar exposure to antenatal steroids and newborn referral to the tertiary care center. In logistic regression analyses, infants in the newer compared to the older cohort had a lower incidence of death (OR: 0.19; 95% CI: 0.11-0.35), a lower incidence of IVH (OR: 0.26; 95% CI: 0.15-0.46), and increased incidence of NEC (OR: 19.37; 95% CI: 2.41-155.11). Conclusions: Changes over time included higher use of antenatal antibiotics and cesarean delivery and no change in antenatal steroids administration. Overall mortality was lower in the newer cohort, especially for infants 250-266 weeks' gestation, NEC was higher while BPD and ROP were not different.

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