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  • Title: Applicability of percutaneous transluminal coronary angioplasty to patients with recombinant tissue plasminogen activator mediated thrombolysis.
    Author: Topol EJ, Eha JE, Brin KP, Shapiro EP, Weiss JL, Riegel MB, Gottlieb SO, Brinker JA.
    Journal: Cathet Cardiovasc Diagn; 1985; 11(4):337-48. PubMed ID: 2931176.
    Abstract:
    To test the utility and safety of percutaneous transluminal coronary angioplasty (PTCA) after recombinant tissue plasminogen activator (t-PA), we performed the procedure in all suitable candidates with acute myocardial infarction (MI) who had successful t-PA mediated coronary thrombolysis. Twenty consecutive patients with MI received t-PA after coronary angiographic conformation of total occlusion. Successful recanalization with t-PA was achieved in 13 patients, leaving a residual obstruction of 84 +/- 6% in the nine patients for whom PTCA was attempted at a mean of 21.6 h. Success was achieved in seven patients, leading to a residual lesion of 29 +/- 7%. In the two patients for whom PTCA was unsuccessful, total reocclusion occurred prior to the attempt despite therapy with heparin, aspirin, dipyridamole, and nifedipine. All PTCA procedures were uncomplicated. Serial two-dimensional echocardiography at 10 days, compared to admission, demonstrated infarct zone wall motion index improvement in the patients with successful PTCA (group A, 0.83 +/- 0.36 to 1.46 +/- 0.49) as compared to the 13 patients without thrombolysis or successful PTCA (group B, 0.61 +/- 0.26 to 0.66 +/- 0.39), (P less than 0.05). One patient of group A sustained a massive stroke at 2 weeks after hospital discharge. In the remaining six patients, follow-up exercise testing and/or coronary arteriography demonstrated a negative treadmill test and/or patent infarct vessel, respectively. After successful PTCA, no patient had clinical signs of reocclusion, reinfarction, postinfarction angina, or congestive heart failure. At 9.4 +/- 2 months, all six patients are asymptomatic and have returned to work. Thus, sequential PTCA after t-PA can be performed safely and successfully in patients with MI and this approach may be associated with improved regional function and a favorable post-MI course.
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