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  • Title: Percutaneous transluminal coronary angioplasty after non-Q-wave acute myocardial infarction.
    Author: Alfonso F, Macaya C, Iñiguez A, Bañuelos C, Fernandez-Ortiz A, Zarco P.
    Journal: Am J Cardiol; 1990 Apr 01; 65(13):835-9. PubMed ID: 2321532.
    Abstract:
    The value of percutaneous transluminal coronary angioplasty (PTCA) for ischemia after a non-Q-wave acute myocardial infarction (AMI) was assessed prospectively in 33 consecutive patients. In 30 patients the indication for the procedure was post-AMI angina and 3 patients underwent PTCA for silent ischemia. A total of 43 lesions were attempted at 63 +/- 94 days after the non-Q-wave AMI. Primary PTCA success was obtained in 30 (91%) patients and no major complications occurred. Angiographic evaluation was performed either for symptoms or for protocol (7 +/- 1 months after PTCA) in 28 (93%) of the 30 patients with successful PTCA, but 2 patients (7%) who were asymptomatic refused the repeat angiogram. Twenty (71%) had no restenosis and 8 (29%) had restenosis. Of these, 5 patients with restenosis underwent a successful repeat PTCA (6 +/- 1 months after the initial procedure). At the last clinical follow-up (17 +/- 8 months), 2 of the 30 (7%) patients successfully dilated presented with stable angina despite medical treatment, whereas the rest (93%) remained asymptomatic. During the study period no patient died, had an AMI or required coronary artery bypass grafting. Thus, selected patients with ischemia after a non-Q-wave AMI, a "high-risk population," can be effectively treated with PTCA with an initial success rate and angiographic restenosis rate similar to that of the general PTCA population and appear to have sustained symptomatic benefit remaining free of subsequent cardiac events.
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