Effects of captopril on ischemic events after myocardial infarction

Results of the survival and ventricular enlargement trial

John D. Rutherford, Marc A. Pfeffer, Lemuel A. Moyé, Barry R. Davis, Greg C. Flaker, Peter R. Kowey, Gervasio A. Lamas, Henry S. Miller, Milton Packer, Jean L. Rouleau, Eugene Braunwald

Research output: Contribution to journalArticle

291 Citations (Scopus)

Abstract

Background: In the Survival and Ventricular Enlargement (SAVE) trial, recurrent myocardial infarction (MI) was the most important predictor of a poor outcome and conferred a sevenfold increase in risk of death. The purpose of this study was to determine the predictors of recurrent MI in study participants and to examine the influence of the angiotensin-converting enzyme inhibitor captopril on this and other myocardial ischemic events. Methods and Results: The 2231 patients had survived the acute phase of MI (3 to 16 days) and had a radionuclide ventricular ejection fraction ≤40%. Patients were randomly assigned to receive double-blind treatment with either placebo or captopril and were followed for an average of 42 months. The influence of captopril on recurrent MI, cardiac revascularization procedures, and hospitalization with unstable angina was examined. The likelihood of recurrent MI was greater in patients with an MI or functional disability before the index infarction and higher systolic pressure (all P<.001) but was not influenced by baseline left ventricular ejection fraction. Therapy with captopril reduced the risk of development of recurrent MI by 25% (95% confidence intervals, 5% to 40%; P=.015) and the risk of death after recurrent MI by 32% (95% confidence intervals, 4% to 51%; P=.029). Captopril- assigned patients were also less likely to require cardiac revascularization procedures (P=.010), but hospitalization for unstable angina was unaltered. When all three of these major coronary ischemic events were considered together, captopril therapy reduced the risk (14% risk reduction; 95% confidence intervals, 0% to 26%; P=.047). Conclusions: In post-MI patients with asymptomatic left ventricular dysfunction, long-term administration of captopril reduced recurrence of MI and the need for cardiac revascularization but had no influence on the rate of hospitalization with a discharge diagnosis of unstable angina. The finding that the recurrence of MI was independent of left ventricular ejection fraction suggests that captopril could be useful in preventing recurrent MI in patients with more preserved left ventricular function. The need for cardiac revascularization was reduced in patients receiving long-term captopril therapy, suggesting either an anti- ischemic effect or the ability of the angiotensin-converting enzyme inhibitor to modify the atherosclerotic process in survivors of MI.

Original languageEnglish (US)
Pages (from-to)1731-1738
Number of pages8
JournalCirculation
Volume90
Issue number4 I
StatePublished - Oct 1994

Fingerprint

Captopril
Myocardial Infarction
Survival
Unstable Angina
Stroke Volume
Hospitalization
Confidence Intervals
Angiotensin-Converting Enzyme Inhibitors
Recurrence
Aptitude
Left Ventricular Dysfunction
Risk Reduction Behavior
Therapeutics
Left Ventricular Function
Radioisotopes
Infarction
Survivors
Placebos

Keywords

  • angioplasty
  • bypass
  • captopril
  • ischemia
  • myocardial infarction

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Rutherford, J. D., Pfeffer, M. A., Moyé, L. A., Davis, B. R., Flaker, G. C., Kowey, P. R., ... Braunwald, E. (1994). Effects of captopril on ischemic events after myocardial infarction: Results of the survival and ventricular enlargement trial. Circulation, 90(4 I), 1731-1738.

Effects of captopril on ischemic events after myocardial infarction : Results of the survival and ventricular enlargement trial. / Rutherford, John D.; Pfeffer, Marc A.; Moyé, Lemuel A.; Davis, Barry R.; Flaker, Greg C.; Kowey, Peter R.; Lamas, Gervasio A.; Miller, Henry S.; Packer, Milton; Rouleau, Jean L.; Braunwald, Eugene.

In: Circulation, Vol. 90, No. 4 I, 10.1994, p. 1731-1738.

Research output: Contribution to journalArticle

Rutherford, JD, Pfeffer, MA, Moyé, LA, Davis, BR, Flaker, GC, Kowey, PR, Lamas, GA, Miller, HS, Packer, M, Rouleau, JL & Braunwald, E 1994, 'Effects of captopril on ischemic events after myocardial infarction: Results of the survival and ventricular enlargement trial', Circulation, vol. 90, no. 4 I, pp. 1731-1738.
Rutherford, John D. ; Pfeffer, Marc A. ; Moyé, Lemuel A. ; Davis, Barry R. ; Flaker, Greg C. ; Kowey, Peter R. ; Lamas, Gervasio A. ; Miller, Henry S. ; Packer, Milton ; Rouleau, Jean L. ; Braunwald, Eugene. / Effects of captopril on ischemic events after myocardial infarction : Results of the survival and ventricular enlargement trial. In: Circulation. 1994 ; Vol. 90, No. 4 I. pp. 1731-1738.
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abstract = "Background: In the Survival and Ventricular Enlargement (SAVE) trial, recurrent myocardial infarction (MI) was the most important predictor of a poor outcome and conferred a sevenfold increase in risk of death. The purpose of this study was to determine the predictors of recurrent MI in study participants and to examine the influence of the angiotensin-converting enzyme inhibitor captopril on this and other myocardial ischemic events. Methods and Results: The 2231 patients had survived the acute phase of MI (3 to 16 days) and had a radionuclide ventricular ejection fraction ≤40{\%}. Patients were randomly assigned to receive double-blind treatment with either placebo or captopril and were followed for an average of 42 months. The influence of captopril on recurrent MI, cardiac revascularization procedures, and hospitalization with unstable angina was examined. The likelihood of recurrent MI was greater in patients with an MI or functional disability before the index infarction and higher systolic pressure (all P<.001) but was not influenced by baseline left ventricular ejection fraction. Therapy with captopril reduced the risk of development of recurrent MI by 25{\%} (95{\%} confidence intervals, 5{\%} to 40{\%}; P=.015) and the risk of death after recurrent MI by 32{\%} (95{\%} confidence intervals, 4{\%} to 51{\%}; P=.029). Captopril- assigned patients were also less likely to require cardiac revascularization procedures (P=.010), but hospitalization for unstable angina was unaltered. When all three of these major coronary ischemic events were considered together, captopril therapy reduced the risk (14{\%} risk reduction; 95{\%} confidence intervals, 0{\%} to 26{\%}; P=.047). Conclusions: In post-MI patients with asymptomatic left ventricular dysfunction, long-term administration of captopril reduced recurrence of MI and the need for cardiac revascularization but had no influence on the rate of hospitalization with a discharge diagnosis of unstable angina. The finding that the recurrence of MI was independent of left ventricular ejection fraction suggests that captopril could be useful in preventing recurrent MI in patients with more preserved left ventricular function. The need for cardiac revascularization was reduced in patients receiving long-term captopril therapy, suggesting either an anti- ischemic effect or the ability of the angiotensin-converting enzyme inhibitor to modify the atherosclerotic process in survivors of MI.",
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T2 - Results of the survival and ventricular enlargement trial

AU - Rutherford, John D.

AU - Pfeffer, Marc A.

AU - Moyé, Lemuel A.

AU - Davis, Barry R.

AU - Flaker, Greg C.

AU - Kowey, Peter R.

AU - Lamas, Gervasio A.

AU - Miller, Henry S.

AU - Packer, Milton

AU - Rouleau, Jean L.

AU - Braunwald, Eugene

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N2 - Background: In the Survival and Ventricular Enlargement (SAVE) trial, recurrent myocardial infarction (MI) was the most important predictor of a poor outcome and conferred a sevenfold increase in risk of death. The purpose of this study was to determine the predictors of recurrent MI in study participants and to examine the influence of the angiotensin-converting enzyme inhibitor captopril on this and other myocardial ischemic events. Methods and Results: The 2231 patients had survived the acute phase of MI (3 to 16 days) and had a radionuclide ventricular ejection fraction ≤40%. Patients were randomly assigned to receive double-blind treatment with either placebo or captopril and were followed for an average of 42 months. The influence of captopril on recurrent MI, cardiac revascularization procedures, and hospitalization with unstable angina was examined. The likelihood of recurrent MI was greater in patients with an MI or functional disability before the index infarction and higher systolic pressure (all P<.001) but was not influenced by baseline left ventricular ejection fraction. Therapy with captopril reduced the risk of development of recurrent MI by 25% (95% confidence intervals, 5% to 40%; P=.015) and the risk of death after recurrent MI by 32% (95% confidence intervals, 4% to 51%; P=.029). Captopril- assigned patients were also less likely to require cardiac revascularization procedures (P=.010), but hospitalization for unstable angina was unaltered. When all three of these major coronary ischemic events were considered together, captopril therapy reduced the risk (14% risk reduction; 95% confidence intervals, 0% to 26%; P=.047). Conclusions: In post-MI patients with asymptomatic left ventricular dysfunction, long-term administration of captopril reduced recurrence of MI and the need for cardiac revascularization but had no influence on the rate of hospitalization with a discharge diagnosis of unstable angina. The finding that the recurrence of MI was independent of left ventricular ejection fraction suggests that captopril could be useful in preventing recurrent MI in patients with more preserved left ventricular function. The need for cardiac revascularization was reduced in patients receiving long-term captopril therapy, suggesting either an anti- ischemic effect or the ability of the angiotensin-converting enzyme inhibitor to modify the atherosclerotic process in survivors of MI.

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KW - angioplasty

KW - bypass

KW - captopril

KW - ischemia

KW - myocardial infarction

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