SilverHawk atherectomy in treatment of atherosclerotic occlusion of infrapopliteal artery / 中国介入影像与治疗学

ABSTRACT

Objective: To explore the therapeutic effect of SilverHawk atherectomy in the treatment of atherosclerotic occlusion of infrapopliteal arteries. Methods: SilverHawk atherectomy was used to treat 34 patients (39 limbs) with atherosclerotic occlusion of infrapopliteal arteries. Then the therapeutic results and follow-up results were observed. Results: There was no death during the perioperative period of SilverHawk atherectomy. Totally 31 limbs (28 cases) were treated antegradely, while 8 limbs (6 cases) were punctured retrogradely. The procedural success rate was 100% (39/39), and the technical success rate was 92.31% (36/39). One week after atherectomy, the claudication distance, toe brachial index (TBI) and ankle brachial index (ABI) were all higher than those before atherectomy (all P<0.05). All patients were followed up for 2 to 46 months (mean [23.63±9.71] months), the ulcer healing rate was 90.00% (9/10), and 1 of 4 gangrenous limbs underwent amputation below the knee. The primary patency rate at 6, 12, 24 months was 87.18% (34/39), 82.05% (32/39) and 71.79% (28/39), respectively, while the secondary patency rate was 94.87% (37/39), 92.31% (36/39) and 84.62% (33/39), respectively. Conclusion: SilverHawk atherectomy is effective in treatment of atherosclerotic occlusion of infrapopliteal artery.