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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
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. [citation needed]
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]
An arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system. Usually congenital, this vascular anomaly is widely known because of its occurrence in the central nervous system (usually as a cerebral AVM), but can appear anywhere in the body.
Blood vessel disorder generally refers to the narrowing, hardening or enlargement of arteries and veins. It is often due to the build-up of fatty deposits in the lumen of blood vessels or infection of the vessel wall. This can occur in various locations such as coronary blood vessels, peripheral arteries and veins.
Neurogenic TOS includes disorders produced by compression of components of the brachial plexus nerves. The neurogenic form of TOS accounts for 95% of all cases of TOS. [21] Arterial TOS is due to compression of the subclavian artery. [21] This is less than one percent of cases. [2] Venous TOS is due to compression of the subclavian vein. [21]
Ischemia is a vascular disease involving an interruption in the arterial blood supply to a tissue, organ, or extremity that, if untreated, can lead to tissue death. It can be caused by embolism, thrombosis of an atherosclerotic artery, or trauma. Venous problems like venous outflow obstruction and low-flow states can cause acute arterial ischemia.
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)
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