Vascular surgery. A bypass graft utilizing a blood vessel from An additional Portion of the human body or a tube made from synthetic material is placed in the region of your blocked or narrowed artery. This is often performed to reroute the blood move. 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... https://peripheralarterydiseasetr35677.wannawiki.com/513673/the_5_second_trick_for_how_to_prevent_gangrene