Vol 81, No 4 (2010)
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The impact of premature rupture of membranes (PROM) on neonatal outcome

Agnieszka Plucińska, Maria Hajduczenia, Małgorzata Pastusiak, Marta Kowalik, Izabela Miechowicz, Marta Szymankiewicz
Ginekol Pol 2010;81(4).

Abstract

Abstract Objective: The aim of the following study was to evaluate the impact of premature rupture of membranes (PROM) on neonatal outcome, particularly on the incidence of intrauterine infections (IUI). Material and Methods: The study included 428 newborns, born after PROM and hospitalized in the Department of Neonatology at Poznan University of Medical Sciences in 2006. The influence of selected variables on the development of IUI and other complications was analyzed. Results: IUI occurred in 124 newborns (29%). The odds ratio (OR) of IUI incidence increased with decreasing gestational age, birth weight and Apgar score, as well as with increasing duration of the time between PROM and birth, called the latency period. Logistic regression showed that IUI was significantly influenced by the latency period (OR=1.37; 95% CI: 1.10-1.71; p<0.01), gestational age (OR=2.29; 95% CI: 1.59-3.30; p<0.0001) and 5-minute Apgar score (OR=2.50; 95% CI: 1.57-3,98; p<0.001). The incidence of other complications such as prematurity, respiratory distress syndrome, respiratory failure, intraventricular hemorrhage, and anemia increased with the duration of the latency period. Compared to uninfected infants, the infected ones were characterized by lower birth weight, lower gestational age, lower Apgar score and poorer laboratory results. Conclusions: Among neonates born from pregnancies complicated with PROM, the incidence of IUI is significantly influenced by the latency period, gestational age and 5- minute Apgar score. The incidence of other complications increases with the duration of the latency period. Prematurity is an important contributor to morbidity in this group nof neonates.

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