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Published on: November 20, 2015
Neonatal Outcomes Associated With Placental Abruption
Katheryne L Downes1,2,3, Edmond D Shenassa2,4,5,6, Katherine L Grantz1
1Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland.
Placental abruption significantly increases risks for newborns, including respiratory distress, asphyxia, and neonatal mortality. This study highlights the direct impact of placental abruption on adverse neonatal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Perinatal Epidemiology
Background:
- Placental abruption is a known risk factor for preterm birth and perinatal mortality.
- The association between placental abruption and other neonatal morbidities requires further investigation.
Purpose of the Study:
- To examine the association between placental abruption and a range of neonatal outcomes.
- To investigate the direct effects of placental abruption on neonatal health, independent of intermediates like preterm birth.
Main Methods:
- Retrospective analysis of 223,341 singleton deliveries from the Consortium on Safe Labor study (2002-2008).
- Utilized electronic medical records from multiple US sites.
- Employed adjusted relative risks, incidence rate ratios, and sensitivity analyses to assess direct effects.
Main Results:
- Placental abruption occurred in 1.6% of deliveries.
- Associated with significantly elevated risks for newborn resuscitation, apnea, asphyxia, respiratory distress syndrome, and NICU admission.
- Also linked to increased stillbirth and neonatal mortality rates, with sensitivity analyses confirming direct effects.
Conclusions:
- Placental abruption is independently associated with a wide spectrum of adverse neonatal outcomes.
- Findings underscore the critical impact of placental abruption on perinatal and neonatal health.
- Highlights the need for vigilant monitoring and management of pregnancies complicated by placental abruption.
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