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  • Title: Combination of RotarexⓇS Rotational Atherothrombectomy and Drug-Coated Balloonangioplasty for Femoropopliteal Total In-Stent Occlusion.
    Author: Pan T, Tian SY, Liu Z, Zhang T, Li C, Ji DH.
    Journal: Ann Vasc Surg; 2022 Mar; 80():213-222. PubMed ID: 34748945.
    Abstract:
    BACKGROUND: Currently, there is little information on the optimal treatment for patients with femoropopliteal total in-stent occlusion.The aim of this study was to evaluate the benefit of drug-coated balloon(DCB) angioplasty after RotarexⓇS rotational atherectomy plus thrombectomy for femoropopliteal total in-stent occlusion at 12 months. METHODS: From June 2016 to April 2019, 36 patients (21 male, mean age 71.1 ± 8.2 years) with femoropopliteal total in-stent occlusion were treated using Rotarex S rotational atherectomy plus thrombectomy in combination with DCB angioplasty and 29 (18 male, meanage68.8 ± 7.2 years) underwent DCB angioplasty alone. Primary patency and freedom from target lesion revascularization (TLR) rates during12 months of follow-up were retrospectively compared between the 2 groups. RESULTS: Procedural success was achieved in all patients. There were no procedure-related adverse events. The mean lesion length was 26.1 ± 6.5 cm in the combination therapy group and 25.5 ± 6.1 cm in the DCB only group (P = 0.703). The 6-month and 12-month primary patency rates were significantly higher in the combination therapy group (94.4% [standard error, 0.038] and 77.8% [0.069], respectively) than in the DCB only group (72.4% [0.083] and 48.3% [0.093]; P = 0.010). The freedom from TLR rate at 12 months was 86.1% (standard error, 0.060) in the combination therapy group and 62.1% (0.096) in the DCB only group (P = 0.016). Three patients (combination therapy, n = 2; DCB only, n = 1) developed distal embolization and were treated successfully by additional 6-F guiding catheter aspiration. No deaths or amputations occurred in either group during 12 months of follow-up. CONCLUSIONS: Rotarex S rotational atherectomy plus thrombectomyin combination with DCB was safe and effective in patients with femoropopliteal total in-stent occlusion during12 months of follow-up.
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