手术指征是间歇性跛行，静息痛和趾端坏疽。
The indication for surgery was disabling claudication, rest pain and gangrene.
结果注射1~2周后全部患者的临床症状均得到不同程度的改善，其中以静息痛、冷感改善较明显；
Results The clinical symptoms of all patients were improved to different degree 1 to 2 weeks after injection and rest pain and cold feeling were improved more obviously.
主要观察指标：两组治疗后下肢静息痛、麻木无力、间歇性跛行、行走距离的改善情况，以及不良反应。
MAIN OUTCOME MEASURES: the improvement in rest pain, numbness, intermittent limp and walking distance of the lower limbs after the treatment in the two groups as well as the adverse effects.
结果 股腘动脉球囊扩张和支架植入技术成功率为100%，膝下动脉球囊扩张成功率为88%，术后患者临床症状明显好转，静息痛消失，溃疡愈合。
Results The success rate of endovascular procedure was 100% for femoral-popliteal artery, and 88% for infrapopliteal artery. Rest pain disappeared and the ulcers were healed after the operations.
结果 股腘动脉球囊扩张和支架植入技术成功率为100%，膝下动脉球囊扩张成功率为88%，术后患者临床症状明显好转，静息痛消失，溃疡愈合。
Results The success rate of endovascular procedure was 100% for femoral-popliteal artery, and 88% for infrapopliteal artery. Rest pain disappeared and the ulcers were healed after the operations.
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