ArticleResearch and practice in thrombosis and haemostasis2025
Contemporary trends in maternal outcomes during delivery hospitalizations among pregnancies complicated by von Willebrand disease-a cross-sectional analysis.
Article in Research and practice in thrombosis and haemostasis, 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
Background: While guideline-based multidisciplinary care is increasingly emphasized for managing von Willebrand disease (VWD) in pregnancy, most outcomes data are derived from outdated studies. Objectives: This study aimed to evaluate temporal trends in the prevalence of VWD, estimate hemorrhagic complication trends with VWD, and examine associations with adverse pregnancy outcomes with VWD. Methods: We conducted a cross-sectional analysis leveraging data from the National Inpatient Sample from 2000 to 2022 and identified VWD delivery hospitalizations using International Classification of Diseases codes. Outcomes included placental abruption or antepartum hemorrhage, postpartum hemorrhage, transfusion, nontransfusion severe maternal morbidity, and cesarean and operative vaginal delivery. Joinpoint regression was used to analyze trends by estimating the average annual percentage change. Unadjusted and adjusted logistic regression models were used to determine the strength of association between VWD and adverse pregnancy outcomes. Results: Among 87,151,596 delivery hospitalizations, 4.2 per 10,000 had a diagnosis of VWD. VWD prevalence rose from 2.1 to 5.1 per 10,000 deliveries between 2000 and 2022 (average annual percentage change, 6.6%; 95% CI, 5.3%-19.5%). Delivery hospitalizations with VWD were associated with increased rates of antepartum hemorrhage, postpartum hemorrhage, transfusion, nontransfusion severe maternal morbidity, and cesarean delivery. Of these associations, during the study period for deliveries with VWD, rates of antepartum hemorrhage and transfusion decreased significantly, and delivery route showed a decrease in operative vaginal delivery. Conclusion: Declining transfusion and antepartum hemorrhage rates suggest improvements in diagnosis and management of VWD during pregnancy. However, stable rates of postpartum hemorrhage rate highlight continued gaps in care. These contemporary, population-level findings will inform preconception counseling and intrapartum planning for individuals with VWD.
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