Abstract
Background: The FlexiCut (Guidant Corp, CA, USA) is a new directional coronary atherectomy (DCA) catheter that has a shaft of a diameter of 0.76 inch (1.98mm) and adapts to different vessel sizes according to the diameter of the urging balloon (2.5-2.9mm, 3.0-3.4mm, 3.5-4.0mm) and is compatible for 8 French guiding catheters. Methods and Results: We compared results in 143 consecutive lesions treated with the FlexiCut to a group of 277 lesions treated with the standard device GTO. Lesions located in saphenous vein grafts were excluded. The groups were comparable in terms of sex, age, and clinical variables. The angiographic success rate in the two groups (Flexicut 96.5% vs GTO 97.5%), the procedural major complications (9.4% vs 13.4%) were not significantly different. Angiographic characteristics and results are shown in the table. FlexiCut GTO P value Number of lesions 143 277 Vessel size (mm) 3.03 0.61 3.21 0.56 0.004 B-2 or C type lesion 77% 82% 0.2
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