Do Take note that compression stockings are practical for prevention towards DVT, but won't be practical if DVT has already occurred. 干性坏疽：常见为肢端组织缺血坏死，干枯变黑并向躯干发展，直到血液循环足以防止坏死的地方停止。干性坏疽的病变界线清楚。早期干性坏疽的症状为患处表面发白，感觉钝痛和冷。在这个阶段局部改善循环有治愈的可能，其后则需要去除坏死组织。但不经处理的话，最终坏死部分... https://venous-malformation-brain02221.wikigdia.com/6903620/detailed_notes_on_peripheral_arterial_disease_treatment