Abstract
Initial and long-term outcomes of the retrograde endovascular approach using a microcatheter for the treatment of chronic total occlusion (CTO) in the iliac or femoropopliteal (FP) arteries have not been fully elucidated. From 2012 to 2014, 20 consecutive patients (21 limbs) underwent endovascular therapy (EVT) for CTO in the iliac or FP arteries using the microcatheter-based retrograde approach. An analysis of the initial and long-term outcomes was conducted. All procedures were successful. The mean follow-up duration was 27.4±11.3months. The mean patient age was 75.8±9.1years. Eighteen (85.7%) target lesions were located in the superficial femoral artery, 1 (4.8%) in the popliteal artery, and 2 (9.5%) in the iliac artery. All lesions were de novo. The mean occlusion length was 183.3±95.4mm. A stent was used in 19 (94.5%) lesions and balloon angioplasty was performed for 2 (5.5%) lesions. Retrograde puncture site complication (hematoma in popliteal artery) was reported in 1 (4.8%) patient. Postprocedure primary patency rates at 1, 2, and 3years were 89.5%, 72.0%, and 41.2%, respectively, and the secondary patency rates at the corresponding time points were 100%, 77.2%, and 48.6%, respectively. Initial and long-term outcomes of EVT for CTO in iliac and FP arteries using the microcatheter-based retrograde approach are promising.
Published Version
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