INJECTION OF VARICOSE VEINS
نویسندگان
چکیده
منابع مشابه
Varicose Veins
Under normal circumstances, blood collected from superficial venous capillaries is directed upward and inward via one-way valves into superficial veins. These in turn drain via perforator veins, which pass through muscle fascia into deeper veins buried under the fascia. Leakage in a valve causes retrograde flow back into the vein. Unlike deep veins which are thick-walled and confined by fascia,...
متن کاملManagement of varicose veins.
Varicose veins are twisted, dilated veins most commonly located on the lower extremities. Risk factors include chronic cough, constipation, family history of venous disease, female sex, obesity, older age, pregnancy, and prolonged standing. The exact pathophysiology is debated, but it involves a genetic predisposition, incompetent valves, weakened vascular walls, and increased intravenous press...
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ژورنال
عنوان ژورنال: Journal of the American Medical Association
سال: 1940
ISSN: 0002-9955
DOI: 10.1001/jama.1940.02810250063022