Why the study?
Does percutaneous transluminal coronary angioplasty (PTCA) improve long-term prognosis and functional status in patients after non-Q-wave myocardial infarction?
Does percutaneous transluminal coronary angioplasty (PTCA) improve long-term prognosis and functional status in patients after non-Q-wave myocardial infarction?
PTCA performed within three months of a non-Q-wave myocardial infarction is associated with excellent long-term survival and functional improvement, though some patients require repeat revascularization.
Supports favorable outcomes with early PTCA post non-Q-wave MI; leaves open need for RCTs to confirm benefit over medical therapy.
Non-Q-wave infarction is associated with a significant incidence of infarction and death. We followed 52 patients who underwent percutaneous transluminal coronary angioplasty (PTCA) within three months of non-Q-wave myocardial infarction. Thirty-eight patients had single-vessel disease, 12 had double-vessel disease, and two had triple-vessel disease. At follow-up at 28 +/- 8 months, all patients were alive. Three suffered a recurrent myocardial infarction during the follow-up period. Nine underwent repeat angioplasty. Four patients had bypass surgery for recurrent symptoms. Only 25% of the patients had angina at follow-up, and all but two were in an improved functional class. PTCA may be used safely in the management of patients after non-Q-wave infarction and results in a favorable long-term prognosis.
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Bellamy et al. (1989) studied this question.
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