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Our body's vascular system is intricate and sophisticated - with the smallest blood vessel measuring 3 times smaller than a human hair Ask the Expert: Venous and arterial disorders Skip to main ...
Venous insufficiency is the most common disorder of the venous system, and is usually manifested as either spider veins or varicose veins. Several treatments are available including endovenous thermal ablation (using radiofrequency or laser energy), vein stripping , ambulatory phlebectomy , foam sclerotherapy , laser , or compression.
Peripheral arterial disease is more common in these populations: [42] [50] All people who have leg symptoms with exertion (suggestive of claudication) or ischemic rest pain; All people aged 65 years and over, regardless of risk factor status; All people between 50 and 69 who have a cardiovascular risk factor (particularly diabetes or smoking)
In contrast to the understanding for how arterial thromboses occur, as with heart attacks, venous thrombosis formation is not well understood. [26] With arterial thrombosis, blood vessel wall damage is required for thrombosis formation, as it initiates coagulation, [26] but the majority of venous thrombi form without any injured epithelium. [7]
In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).
Arterial malformation ; Arteriovenous fistula (AVF) : a lesion with a direct communication via fistulae between an artery and a vein. [3] Arteriovenous malformation : a lesion with a direct connection between an artery and a vein, without an intervening capillary bed, but with an interposed nidus of dysplastic vascular channels in between. [13]
Vasculitis is a group of disorders that destroy blood vessels by inflammation. [2] Both arteries and veins are affected. Lymphangitis (inflammation of lymphatic vessels) is sometimes considered a type of vasculitis. [3] Vasculitis is primarily caused by leukocyte migration and resultant damage.
A piece of either an arterial or a venous thrombus can break off as an embolus, which could then travel through the circulation and lodge somewhere else as an embolism. This type of embolism is known as a thromboembolism. Complications can arise when a venous thromboembolism (commonly called a VTE) lodges in the lung as a pulmonary embolism. An ...
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