ArticleBMC pregnancy and childbirth2025
En caul cesarean section for extremely low birth weight infants: a single-center, retrospective study.
Article in BMC pregnancy and childbirth, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundExtremely low birth weight (ELBW) infants, which weighing less than 1000 g, are at high risk of adverse neonatal outcomes, including intraventricular hemorrhage (IVH), respiratory distress syndrome, and long-term neurodevelopmental impairments. En caul cesarean section (ECCS) is often performed for delivery of ELBW infants to minimize potential damages to the skin, bones, and brain. Although a few studies reported that ECCS is a safe procedure for infants, there is limited research investigating the association between this procedure and neonatal IVH. This study aims to assess whether ECCS contributes to adverse effects during delivery, and association with the occurrence of neonatal IVH.
methodsWe retrospectively examined 252 ELBW infants delivered at our hospital from April 2015 to December 2023. Patients were divided into four groups according to delivery mode: successful ECCS, unsuccessful ECCS, non-trial ECCS, and vaginal delivery. The primary outcome was the incidence of IVH grade ≥ 3 during the neonatal period. The secondary outcomes were hemoglobin level of the infant, umbilical artery blood pH level, and maternal blood loss at delivery.
resultsNo significant differences were observed in the median umbilical artery blood pH levels, Hb levels of infants at delivery, the amounts of maternal blood loss at delivery, incidence of IVH grade ≥ 3, intestinal perforation, or neonatal mortality between the group of patients who were attempted en caul cesarean delivery and the group of patients who were not. The incidence of IVH grade ≥ 3 was significantly lower in the group of successful ECCS compared with the other groups (4.8% vs. 15.8%, respectively; p < 0.05). The significant factors for IVH grade ≥ 3 identified on multivariate analysis were gestation week at delivery ≤ 24 weeks (odds ratio [OR] 2.96, 95% confidence interval [CI] 1.33-6.62), steroid administration (OR 0.10, 95% CI 0.01-0.77) and successful ECCS (OR 0.29, 95% CI 0.09-0.87).
conclusionECCS for ELBW infants may reduce the risk of neonatal IVH grade ≥ 3, and does not contribute to anemia and hypoxia of infants at delivery.
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