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High incidence of respiratory distress syndrome (RDS) in infants born to mothers with placenta previa.
Bekku, S; Mitsuda, N; Ogita, K; Suehara, N; Fujimura, M; Aono, T.
Affiliation
  • Bekku S; Department of Obstetrics and Gynecology, University of Tokushima, School of Medicine, Japan.
J Matern Fetal Med ; 9(2): 110-3, 2000.
Article in En | MEDLINE | ID: mdl-10902824
OBJECTIVE: To evaluate the incidence of respiratory distress syndrome (RDS) in infants born to mothers with placenta previa and to assess the risk factors for RDS. METHODS: Ninety-nine pregnant women with placenta previa who delivered by cesarean section at 30-35 weeks of gestation were compared retrospectively with 102 pregnant women matched for week of gestation and birth year, who underwent elective cesarean section. Maternal characteristics, neonatal outcome, and incidence of RDS were analyzed. Umbilical cord blood samples were collected at delivery and were used to determine cortisol, epinephrine, and norepinephrine levels. Student's t-test, the chi-square test, and Fisher's exact test were used for statistical comparisons. P < 0.05 was considered significant. The Mann-Whitney U test was used for comparison of continuous variables. RESULTS: Preeclampsia, histological chorioamnionitis, and premature rupture of membranes were significantly lower in the placenta previa group (placenta previa: 2.0% vs. control: 14.7%, P < 0.01; 14.1% vs. 30.1%, P < 0.01; 7.1% vs. 17.6%, P < 0.05, respectively). The incidence of RDS was significantly higher in the placenta previa group than in the control group (29.3% vs. 6.9%, P < 0.0001). The cortisol level in umbilical cord blood in the placenta previa group was lower than in the control group (median 7.3, range 4.4-14.9 microg/dl vs. median 10.6, range 4.9-30.3 microg/dl, P < 0.05). There were no significant differences in epinephrine or norepinephrine levels between the two groups. CONCLUSIONS: The incidence of RDS in infants delivered at 30-35 weeks' gestation by cesarean section was significantly higher in mothers with placenta previa than in women without placenta previa. This may reflect decreased fetal stress since the cord blood cortisol levels were found to be lower in women with placenta previa.
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Collection: 01-internacional Database: MEDLINE Main subject: Placenta Previa / Respiratory Distress Syndrome, Newborn Type of study: Etiology_studies / Incidence_studies / Risk_factors_studies Limits: Female / Humans / Male / Newborn / Pregnancy Language: En Journal: J Matern Fetal Med Journal subject: OBSTETRICIA / PERINATOLOGIA Year: 2000 Document type: Article Affiliation country: Japan Country of publication: United States
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Collection: 01-internacional Database: MEDLINE Main subject: Placenta Previa / Respiratory Distress Syndrome, Newborn Type of study: Etiology_studies / Incidence_studies / Risk_factors_studies Limits: Female / Humans / Male / Newborn / Pregnancy Language: En Journal: J Matern Fetal Med Journal subject: OBSTETRICIA / PERINATOLOGIA Year: 2000 Document type: Article Affiliation country: Japan Country of publication: United States