Causes of Chronic Venous Insufficiency

Chronic Venous Insufficiency is a ?r?bl?m w?th th? movement of blood fr?m th? veins ?f the l?g? b??k t? th? heart. V?n?u? insufficiency ?? a ??nd?t??n b? which the v??n? h?v? d?ff??ult??? tr?n?f?rr?ng bl??d fr?m the l?g? back t? th? h??rt.