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Effect of premature rupture of membranes on maternal infections and outcome of preterm infants
WU Tian, SHI Jing, BAO Shan, QU Yi, MU De-Zhi
Chinese Journal of Contemporary Pediatrics ›› 2017, Vol. 19 ›› Issue (8) : 861-865.
PDF(1211 KB)
PDF(1211 KB)
Effect of premature rupture of membranes on maternal infections and outcome of preterm infants
Objective To investigate the effect of premature rupture of membranes (PROM) on maternal infections and outcome of preterm infants.Methods A total of 441 preterm infants and 387 mothers were enrolled as subjects. According to the presence or absence of PROM, the mothers were divided into non-PROM group with 104 mothers, PROM duration < 72 hours group with 90 mothers, and PROM duration ≥72 hours group with 193 mothers. The three groups were compared in terms of clinical features of mothers and infants and complications.Results Compared with the control group and the PROM duration < 72 hours group, the PROM duration ≥72 hours group had significantly higher maternal age, incidence rate of umbilical vasculitis, and rate of antibiotic use; the PROM duration ≥72 hours group had a significantly higher incidence rate of moderate-to-severe chorioamnionitis than the control group (P < 0.05), while there was no significant difference between the PROM duration ≥72 hours group and the PROM duration < 72 hours group (P > 0.05). Compared with the control group and the PROM duration < 72 hours group, the PROM duration ≥72 hours group had significantly higher incidence rates of pneumonia and intracranial hemorrhage in preterm infants; the PROM duration ≥72 hours group had a significantly higher incidence rate of congenital infection and a significantly longer mean length of hospital stay compared with the control group (P < 0.05), while there were no significant differences between the PROM duration ≥72 hours group and the PROM duration < 72 hours group (P > 0.05). The multivariate analysis showed that PROM duration ≥72 hours was an independent risk factors for pneumonia (OR=2.200, 95%CI: 1.386-3.492) and intracranial hemorrhage (OR=2.331, 95%CI: 1.420-3.827) in preterm infants.Conclusions PROM duration ≥72 hours significantly increases the risk of placental infection in mothers and it is an independent risk factor for pneumonia and intracranial hemorrhage in preterm infants.
Premature rupture of membranes / Latency period / Maternal infection / Preterm infant
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