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von Willebrand factor abnormalities in primary pulmonary hypertension
The American Review of Respiratory Disease
|February 1, 1987
Summary
Plasma von Willebrand factor (vWF) abnormalities are present in primary pulmonary hypertension. These vWF changes may serve as a disease marker and aid in understanding its development.
Area of Science:
- Cardiovascular Research
- Hematology
- Pulmonary Medicine
Background:
- Primary pulmonary hypertension involves pulmonary endothelial cell injury.
- Understanding the molecular mechanisms of pulmonary hypertension is crucial.
Purpose of the Study:
- To characterize von Willebrand factor (vWF) abnormalities in primary pulmonary hypertension.
- To investigate vWF as a potential biomarker for pulmonary hypertension.
Main Methods:
- Measured plasma vWF antigen and ristocetin cofactor activity in patients with primary pulmonary hypertension, secondary pulmonary artery hypertension, and controls.
- Analyzed vWF multimer patterns in selected cases.
Main Results:
- All 6 primary pulmonary hypertension patients showed increased vWF activity relative to vWF antigen.
- Four of these patients exhibited abnormal vWF multimer patterns.
- Abnormal vWF patterns differed from those in secondary pulmonary hypertension or control groups.
Conclusions:
- Distinct vWF abnormalities are identified in primary pulmonary hypertension.
- These vWF alterations may serve as a diagnostic marker.
- vWF findings could contribute to elucidating the pathogenesis of primary pulmonary hypertension.