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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Preventive treatment of asymptomatic left ventricular dysfunction following myocardial infarction.

Progressive asymptomatic ventricular dilatation can occur following myocardial infarction and severe ventricular dysfunction is often present by the time clinical congestive heart failure occurs. In a randomized, double-blind trial, the effects of captopril 25 mg tid, frusemide 40 mg daily and placebo were studied in 90 patients with asymptomatic left ventricular dysfunction (ejection fraction less than 45%) 1 week following Q wave myocardial infarction. Left ventricular volumes and function were assessed at intervals during the subsequent year using two-dimensional echocardiography. The frusemide and placebo groups showed significant increases in ventricular volumes with stroke volume index unchanged and ejection fraction slightly reduced, whereas the captopril group showed a significant reduction in left ventricular end-systolic volume index with stroke volume index and ejection fraction increased. At 12 months the difference in the change in ejection fraction from baseline between the captopril and frusemide groups was 10.5% and captopril and placebo groups 9.6% (both P less than 0.0001). There was a significant difference in occurrence of clinical heart failure in the placebo group compared with the other groups (P less than 0.05). Blood pressure increased significantly within the normal range in the placebo and frusemide groups whereas there was essentially no change from baseline in the captopril group. There was no significant correlation between baseline left ventricular volumes and function and subsequent change, and anterior and inferior infarct subgroups showed similar responses within the treatment groups. In conclusion, captopril improves asymptomatic ventricular dysfunction and prevents clinical heart failure during the year following myocardial infarction. Frusemide may also prevent clinical heart failure but not progressive ventricular dilatation.[1]


  1. Preventive treatment of asymptomatic left ventricular dysfunction following myocardial infarction. Sharpe, N., Murphy, J., Smith, H., Hannan, S. Eur. Heart J. (1990) [Pubmed]
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