Korean J Perinatol.  2002 Jun;13(2):113-119.

Effects of Oligohydramnios on Perinatal Outcome and Latency Period in Patients with Preterm Premature Rupture of Membranes

Affiliations
  • 1Department of Obstetrics and Gynecology, College of Medicine, Inje University, Sangkye Paik Hospital, Seoul, Korea. 9000boy@hanmail.net

Abstract


OBJECTIVES
To examine the effects of the oligohydramnios on perinatal outcome and latency period in patients with preterm premature rupture of membranes.
METHODS
We performed a retrospective analysis of 98 singleton pregnancies complicated by preterm premature rupture of membranes, with delivery between 26 and 35 weeks' gestation. Amniotic fluid index was determined using transabdominal ultrasound at admission. All medical records of mothers and neonates were reviewed. Oligohydramnios was defined as amniotic fluid index less or equal to 5.0 cm and latency period was defined as time interval from membrane rupture to delivery. Chi-spuare test, Fisher's exact test, Student-t test, Mann-Whitney U test were used for statistical analysis.
RESULTS
1) Of the 98 patients, 59 patients(60%) were oligohydramnios group(AFI< or =5.0) and 39 patients(40%) were non-oligohydramnios group(AFI>5.0). Both groups were similar with respect to selected dermographics, gestational age at rupture of the membranes, chorioamnionitis, 1 min Apgar score and 5 min Apgar score. Patients with oligohydramnios demonstrated a lower gestatoinal age at birth and lower birth weight. There were no statistically significant correlations in neonatal morbidity and perinatal mortality between both groups. 2) For comparing latency period, we excluded deliveries of Cesarean section or induction. Comparing the remained group(25 patients), median of latency period in oligohydramnios group were 41.5 hours and median of latency period in non-oligohydramnios group were 44 hours. There were no statistically significant correlations in oligohydramnios and latency period.
CONCLUSION
There were no significant effects of the oligohydramnios on poor perinatal outcome and latency period in patients with preterm premature rupture of membranes

Keyword

Preterm premature rupture of membranes; Oligohydramnios; Perinatal outcome; Latency period

MeSH Terms

Amniotic Fluid
Apgar Score
Birth Weight
Cesarean Section
Chorioamnionitis
Female
Gestational Age
Humans
Infant, Newborn
Latency Period (Psychology)*
Medical Records
Membranes*
Mothers
Oligohydramnios*
Parturition
Perinatal Mortality
Pregnancy
Retrospective Studies
Rupture*
Ultrasonography
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