Endovascular Treatment of Severely Calcified Femoropopliteal Lesions Using the “Pave-and-Crack” Technique: Technical Description and 12-Month Results:
2018
Purpose: To report midterm results of the “pave-and-crack” technique to facilitate safe and effective scaffolding of heavily calcified femoropopliteal lesions in preparation for delivery of a Supera interwoven stent. Methods: Data were collected retrospectively on 67 consecutive patients (mean age 71±8 years; 54 men) treated with this technique between November 2011 and February 2017 at a single center. A third (22/64, 34%) of the patients had critical limb ischemia (CLI). Most lesions were TASC D (52/67, 78%), and the majority were occlusions (61/66, 92%). The mean lesion length was 26.9±11.2 cm. Nearly two-thirds (40/64, 62%) had grade 4 calcification (Peripheral Arterial Calcium Scoring System). To prepare for Supera stenting, the most heavily calcified segments of the lesion were predilated aggressively to obliterate recoil. A Viabahn stent-graft was then implanted to “pave” the lesion and protect from vessel rupture as aggressive predilation continued until the calcified plaque was “cracked” before l...
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