Effects of the early administration of zofenopril on onset and progression of congestive heart failure in patients with anterior wall acute myocardial infarction. The SMILE Study Investigators. Survival of Myocardial Infarction Long-term Evaluation.
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| Abstract |
Chronic congestive heart failure (CHF) is a common disease responsible for a high mortality and morbidity whose clinical course can be improved by angiotensin-converting-enzyme (ACE) inhibition. However, limited data are available on the effects of ACE inhibitors on the onset and progression of CHF in patients with acute myocardial infarction (AMI). The present study was performed as a substudy of the Survival of Myocardial Infarction Long-term Evaluation trial and involved 1,146 patients with anterior wall AMI not undergoing thrombolysis with the exclusion of patients with prior history or clinical signs of CHF on admission. Patients were randomly allocated to treatment with zofenopril (7.5 to 30 mg twice daily) or placebo for a cumulative period of 6 weeks. The prevalence of CHF, either mild to moderate or severe, has been the main objective and has been evaluated 6 weeks and 1 year after AMI. The overall prevalence of CHF was not reduced by zofenopril after both 6 weeks and 12 months. Conversely the prevalence of severe CHF (1.6% vs 2.6%: risk reduction 55.5%; 95% confidence interval 9 to 63; p = 0.0325) and the combined occurrence of death or severe CHF (4.8% vs 8.2%: risk reduction 59%; 95% confidence interval 11 to 71; p = 0.024) were reduced after 6 weeks of treatment with zofenopril. Moreover, the percentage of patients experiencing a deterioration to severe CHF after 1 year was significantly reduced with zofenopril (11.0% vs 24.3%; p = 0.001). In conclusion, the early administration of zofenopril to patients with AMI attenuates the progression of the clinical symptoms of CHF and its clinical consequences, suggesting that ACE inhibitors should be regarded as a suitable strategy for the prevention and treatment of CHF in patients with AMI.
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| Authors | C Borghi, E Ambrosioni, B Magnani |
| Journal | The American journal of cardiology (Am J Cardiol) Vol. 78 Issue 3 Pg. 317-22 (Aug 01 1996) ISSN: 0002-9149 [Print] United States |
| PMID | 8759812 (Publication Type: Clinical Trial, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't) |
| Chemical References |
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