Related Experiment Video
Updated: Jul 14, 2025

Investigating von Willebrand Factor Pathophysiology Using a Flow Chamber Model of von Willebrand Factor-platelet String Formation
Published on: August 14, 2017
Acute myocardial infarction in von Willebrand disease: characteristics and outcomes
Orly Leiva1, Jean M Connors2, Nathan T Connell2
1Leon H. Charney Division of Cardiology, Department of Medicine, New York University Grossman School of Medicine, New York, New York, USA.
Insights
Patients with Von Willebrand disease (VWD) face a higher risk of bleeding readmissions after acute myocardial infarction (AMI). However, their risk for arterial thrombosis or all-cause readmissions did not significantly differ from those without VWD.
Area of Science:
- Cardiology
- Hematology
- Public Health
Background:
- Von Willebrand disease (VWD) is the most common inherited bleeding disorder.
- Improved VWD prognosis leads to increased prevalence of age-related diseases like acute myocardial infarction (AMI).
- Antithrombotic therapies for AMI increase bleeding risk, necessitating careful risk-benefit assessment in VWD patients.
Purpose of the Study:
- To characterize the outcomes of patients with VWD following an AMI.
- To evaluate 90-day readmission rates for any-cause, bleeding-related, and arterial thrombosis-related events in VWD patients post-AMI.
Main Methods:
- Retrospective cohort study using the National Readmissions Database (2017-2018).
- Case-control matching for age, sex, STEMI, PCI, diabetes, and CKD.
- Time-to-event analysis using Cox proportional hazards regression.
Main Results:
- 136 VWD patients were matched with 3400 controls.
- No significant differences in 90-day all-cause (10.7% vs 11.5%) or arterial thrombosis (1.9% vs 3.1%) readmissions.
- VWD was associated with a higher risk of 90-day bleeding readmissions (HR, 4.75; 95% CI, 1.05-21.66).
Conclusions:
- VWD is linked to an increased risk of 90-day bleeding readmissions after AMI.
- No increased risk of all-cause or arterial thrombosis readmissions was observed.
- Further research is required to balance bleeding and thrombotic risks in VWD patients post-AMI.
Background:
Von Willebrand disease (VWD) is the most common inherited bleeding disorder. As treatments have improved prognosis of VWD, age-related diseases, including acute myocardial infarction (AMI), have become more prevalent. The treatment of AMI includes antithrombotic therapies, which increase the risk of bleeding. Current guidelines suggest weighing risks/benefits of antithrombotic therapy in patients with VWD. However, data to inform these discussions are lacking.
Objective:
To characterize outcomes of patients with VWD after AMI.
Methods:
We conducted a retrospective cohort study utilizing the National Readmissions Database of patients with and without VWD admitted with AMI in 2017 and 2018. Primary outcomes were 90-day any-cause, bleeding-related, and arterial thrombosis-related readmissions. Case-control matching was performed for age, sex (male or female), ST-elevation myocardial infarction, percutaneous coronary intervention, diabetes, and chronic kidney disease. Time-to-event analysis was performed after matching using Cox proportional hazards regression.
Results:
A total of 136 patients with VWD were matched with 3400 controls without VWD. At 90 days, there were no differences in all-cause (10.7% vs 11.5%; P = 1.00), arterial thrombosis (1.9% vs 3.1%; P = .77), and bleeding (1.9% vs 0.4%; P = .083) readmission in patients with VWD. VWD was associated with increased risk of 90-day bleeding (hazard ratio [HR], 4.75; 95% CI, 1.05-21.66) but not all-cause (HR, 0.91; 95% CI, 0.50-1.67) or arterial thrombosis (HR, 0.54; 95% CI, 0.39-2.19) readmission.
Conclusion:
Among patients admitted with AMI, VWD was associated with higher risk of 90-day readmission for bleeding but not any-cause and arterial thrombosis-related readmissions. Further studies are needed to balance bleeding and thrombotic risks post-AMI in patients with VWD.
Related Concept Videos
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Formation of the Platelet Plug
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
Endocarditis II: Clinical Features of Infective Endocarditis
Acute Coronary Syndrome I: Introduction
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.

