Abstract
Treatment of in-stent restenosis of the femoropopliteal arteries with balloon angioplasty carries a high rate of recurrence and requires frequent repeat stenting. In the "Instructions for Use," SilverHawk atherectomy (SA) is contraindicated for in-stent restenosis at a peripheral site. SA, however, has a theoretical advantage of reducing the volume of restenotic tissue and potentially delaying the need for frequent repeat revascularization and additional stenting. We present a retrospective analysis from our center on the safety and outcomes of SA in the treatment of in-stent restenosis of the femoropopliteal arteries. Demographic, clinical, angiographic, and procedural data were collected on all patients who underwent SA for in-stent restenosis from February 2005 to April 2010 at a single medical center. Major adverse events and 1-year target lesion revascularization (TLR) and target vessel revascularization (TVR) were obtained by review of medical records and phone calls. Descriptive analysis was performed on all variables. Kaplan-Meier survival curves for TVR were plotted. A total of 41 consecutive patients (mean age 70.9±9.2 years, 56% males) were included and followed for a mean of 331.63 days. The following variables were...Continue Reading
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