Research and practice in thrombosis and haemostasis · 2023
Bleeding disorders and postpartum hemorrhage by mode of delivery: a retrospective cohort study.
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Niu Bonnie, Duffett Lisa, El-Chaâr Darine, Tinmouth Alan, Wang Tzu-Fei, Khalife Roy
Аннотация
BACKGROUND: Pregnant persons with bleeding disorders and their potentially affected newborns are at a higher risk of peripartum bleeding complications. The safest mode of delivery for persons with bleeding disorders remains debated, leading to uncertainties in decision-making between the patient and her multidisciplinary team.
OBJECTIVES: This study aimed to describe maternal outcomes for pregnant persons with bleeding disorders by mode of delivery and to examine whether postpartum hemorrhage (PPH) and neonatal hemorrhagic manifestations are associated with the mode of delivery.
METHODS: We collected retrospective data on pregnant persons with bleeding disorders who delivered at a single center from 2010 to 2021. Descriptive statistics, Fisher exact test, and odds ratios were used for analysis.
RESULTS: A total of 82 pregnancies in 56 subjects were included. Hemophilia A and von Willebrand disease represented the largest cohort, at 30% (17/56) each. Overall rates of primary and secondary PPH were 7.3% (6/82) and 17.4% (12/69), respectively. We did not find a statistically significant difference between mode of delivery and PPH. Upon comparing vaginal and cesarian deliveries, we found an odds ratio of 0.7 (95% CI, 0.1-3.4) for primary PPH and 2.6 (95% CI, 0.4-16.4) for secondary PPH. One male newborn with severe hemophilia A was treated for a suspected intracranial hemorrhage.
CONCLUSION: In our cohort, high rates of PPH remained an important complication for pregnant persons with bleeding disorders. There was no significant difference in PPH based on modes of delivery. The small sample size likely limited the power of our study, and consequently, future larger studies are needed.
OBJECTIVES: This study aimed to describe maternal outcomes for pregnant persons with bleeding disorders by mode of delivery and to examine whether postpartum hemorrhage (PPH) and neonatal hemorrhagic manifestations are associated with the mode of delivery.
METHODS: We collected retrospective data on pregnant persons with bleeding disorders who delivered at a single center from 2010 to 2021. Descriptive statistics, Fisher exact test, and odds ratios were used for analysis.
RESULTS: A total of 82 pregnancies in 56 subjects were included. Hemophilia A and von Willebrand disease represented the largest cohort, at 30% (17/56) each. Overall rates of primary and secondary PPH were 7.3% (6/82) and 17.4% (12/69), respectively. We did not find a statistically significant difference between mode of delivery and PPH. Upon comparing vaginal and cesarian deliveries, we found an odds ratio of 0.7 (95% CI, 0.1-3.4) for primary PPH and 2.6 (95% CI, 0.4-16.4) for secondary PPH. One male newborn with severe hemophilia A was treated for a suspected intracranial hemorrhage.
CONCLUSION: In our cohort, high rates of PPH remained an important complication for pregnant persons with bleeding disorders. There was no significant difference in PPH based on modes of delivery. The small sample size likely limited the power of our study, and consequently, future larger studies are needed.