People who smoke or have diabetes have the best risk of complications from PVD. This is due to these danger variables result in impaired blood movement.  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... https://deanfwoer.fliplife-wiki.com/3902587/not_known_details_about_peripheral_arterial_disease_treatment