Abstract
A randomized pilot study was performed comparing conventional balloon angioplasty (percutaneous transluminal coronary angioplasty [PTCA] group) and rotational atherectomy (RA) with a medium size burr (50% to 70% burr/artery ratio) with systematic adjunctive balloon angioplasty (RA group) in type B2 stenosis. A total of 64 patients were included. Primary success was 93.7% in the RA group and 87.5% in the PTCA group ( p = NS). Technical failure with no complication occurred once in each group. Acute complications occurred in three patients in the PTCA group and in one in the RA group. Angiographic restenosis rates were similar (RA group: 39%, PTCA group: 42%, p = NS) with a follow-up rate of 93%. In type B2 lesions, when compared with conventional angioplasty, RA with systematic balloon angioplasty does not seem to increase procedural success, and the restenosis rate remains comparable. However, these results must be confirmed in a larger series of patients.
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