Directional coronary atherectomy for the treatment of acute myocardial infarction
1997
Abstract Directional coronary atherectomy (DCA) was performed after intracoronary thrombolysis in 32 patients with a first acute myocardial infarction. DCA was successful in 31 (97%) of 32 patients. Abrupt closure of the treated segment occurred in one patient but was managed successfully by conventional balloon angioplasty. Repeat angiography was performed in 32 patients before discharge (2.7 ± 0.7 weeks later) and in 29 patients during the follow-up (4.5 ± 1.5 months later). No restenosis (stenosis >50%) occurred before discharge; however restenosis occurred in 12 (41%) of 29 patients during follow-up. The restenosis rate in patients with subintimal resection was significantly higher than in those with intimal resection (78% vs 25%, p
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