壊疽の原因は幅広い。患部で嫌気性細菌（あるいは好気性菌）が急速に増殖する事により起こる。大元の原因は動脈硬化症、糖尿病、腎不全（透析患者）、膠原病、血管炎、感染症などさまざまである。 In case you have a affliction that improves your risk of having gangrene, like diabetic issues, it is important you might have normal Check out-ups to assess the state of one's feet. Report any challenges... https://www.sgvascularctr.com/what-is-a-gangrene/