text: Surgery is usually not feasible in<unk> 's<unk>  since the integrity of the distal vessels usually does not allow for revascularization, nevertheless, surgical intervention may be considered in order to maintain peripheral blood flow as much possible. Surgical intervention may also be carried out in order to provide pain relief, heal ulcers and decrease the chances of future amputations, such as sympathectomy.
option_0: Buerger's disease surgery
option_1: Takayasu's arteritis surgery
option_2: Varicose veins surgery
option_3: Diabetic foot surgery
option_4: Varicose veins medical therapy
option_5: Scleroderma surgery
option_6: Peripheral arterial disease surgery
option_7: Diabetic nephropathy surgery