OBJECTIVES: To compare long-term clinical outcome after acute myocardial infarction treated with primary coronary angioplasty or thrombolytic therapy, and to study the determinants of survival. BACKGROUND:Primary coronary angioplasty results in a higher patency rate and a better short-term survival when compared with thrombolytic therapy, but so far limited information has been available regarding long-term clinical outcome. METHODS:Patients with acute myocardial infarction (n=395) were randomised to treatment with either intravenous streptokinase or primary angioplasty, and were followed for up to eight years. RESULTS: A total of 105 patients died, 42 patients in the primary coronary angioplasty group compared with 63 patients in thestreptokinase group (p=0.03). Death and nonfatal reinfarction occurred in 53 patients in the angioplasty group, compared with 94 patients in the streptokinase group (p<0.001). The major cause of long-term mortality is sudden death. Multivariate analysis showed that left ventricular function was the most important predictor for both total mortality and sudden death. CONCLUSION: The benefits of primary coronary angioplasty compared with streptokinase are well sustained during long-term follow-up.
RCT Entities:
OBJECTIVES: To compare long-term clinical outcome after acute myocardial infarction treated with primary coronary angioplasty or thrombolytic therapy, and to study the determinants of survival. BACKGROUND: Primary coronary angioplasty results in a higher patency rate and a better short-term survival when compared with thrombolytic therapy, but so far limited information has been available regarding long-term clinical outcome. METHODS:Patients with acute myocardial infarction (n=395) were randomised to treatment with either intravenous streptokinase or primary angioplasty, and were followed for up to eight years. RESULTS: A total of 105 patients died, 42 patients in the primary coronary angioplasty group compared with 63 patients in the streptokinase group (p=0.03). Death and nonfatal reinfarction occurred in 53 patients in the angioplasty group, compared with 94 patients in the streptokinase group (p<0.001). The major cause of long-term mortality is sudden death. Multivariate analysis showed that left ventricular function was the most important predictor for both total mortality and sudden death. CONCLUSION: The benefits of primary coronary angioplasty compared with streptokinase are well sustained during long-term follow-up.
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