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The 1-year restenosis rate after balloon angioplasty of long lesions in below-the-knee arteries may be as high as 70%. Our aim was to investigate the efficacy of a paclitaxel drug-eluting balloons versus conventional percutaneous transluminal angioplasty (PTA) for the reduction of restenosis in diabetic patients with critical limb ischemia undergoing endovascular intervention of below-the-knee arteries.

The Drug-Eluting Balloon in Peripheral Intervention for Below the Knee Angioplasty Evaluation (DEBATE-BTK) is a randomized, open-label, single-center study comparing drug-eluting balloons and PTA. Inclusion criteria were diabetes mellitus, critical limb ischemia (Rutherford class 4 or higher), significant stenosis or occlusion >40 mm of at least 1 below-the-knee vessel with distal runoff, and life expectancy >1 year. Binary in-segment restenosis at a 1-year angiographic or …