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Overview of Vascular Bleeding Disorders

By

David J. Kuter

, MD, DPhil, Harvard Medical School

Last full review/revision May 2020| Content last modified May 2020
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Bleeding may result from abnormalities in

Vascular bleeding disorders result from defects in blood vessels, typically causing petechiae, purpura, and bruising but, except for hereditary hemorrhagic telangiectasia Hereditary Hemorrhagic Telangiectasia Hereditary hemorrhagic telangiectasia is a hereditary disorder of vascular malformation transmitted as an autosomal dominant trait affecting men and women. (See also Overview of Vascular Bleeding... read more Hereditary Hemorrhagic Telangiectasia , seldom leading to serious blood loss. Bleeding may result from deficiencies of vascular and perivascular collagen in Ehlers-Danlos syndrome Ehlers-Danlos Syndrome Ehlers-Danlos syndrome is a hereditary collagen disorder characterized by articular hypermobility, dermal hyperelasticity, and widespread tissue fragility. Diagnosis is clinical. Treatment is... read more Ehlers-Danlos Syndrome and in other rare hereditary connective tissue disorders (eg, pseudoxanthoma elasticum Pseudoxanthoma Elasticum Pseudoxanthoma elasticum is a rare genetic disorder characterized by calcification of the elastic fibers of the skin, retina, and cardiovascular system. Diagnosis is clinical. There is no specific... read more Pseudoxanthoma Elasticum , osteogenesis imperfecta Osteogenesis Imperfecta Osteogenesis imperfecta is a hereditary collagen disorder causing diffuse abnormal fragility of bone and is sometimes accompanied by sensorineural hearing loss, blue sclerae, dentinogenesis... read more Osteogenesis Imperfecta , Marfan syndrome Marfan Syndrome Marfan syndrome consists of connective tissue anomalies resulting in ocular, skeletal, and cardiovascular abnormalities (eg, dilation of ascending aorta, which can lead to aortic dissection)... read more Marfan Syndrome ). Hemorrhage may be a prominent feature of scurvy Vitamin C Deficiency In developed countries, vitamin C deficiency can occur as part of general undernutrition, but severe deficiency (causing scurvy) is uncommon. Symptoms include fatigue, depression, and connective... read more or of immunoglobulin A–associated vasculitis Immunoglobulin A–Associated Vasculitis (IgAV) Immunoglobulin A–associated vasculitis (formerly called Henoch-Schönlein purpura) is vasculitis that affects primarily small vessels. It occurs most often in children. Common manifestations... read more Immunoglobulin A–Associated Vasculitis (IgAV) , a hypersensitivity vasculitis common during childhood.

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