Risk factors for sudden death after acute myocardial infarction: Two-year follow-up

Jhulan Mukharji, Robert E. Rude, W. Kenneth Poole, Nancy Gustafson, Lewis J. Thomas, H. William Strauss, Allan S. Jaffe, James E. Muller, Robert Roberts, Daniel S. Raabe, Charles H. Croft, Eugene Passamani, Eugene Braunwald, James T. Willerson

Research output: Contribution to journalArticle

436 Scopus citations

Abstract

The risk of sudden coronary death after myocardial infarction (MI) was assessed in 533 patients who survived 10 days after MI and were followed for up to 24 months (mean 18) in the Multicenter investigation of the Limitation of Infarct Size. Analysis of multiple clinical and laboratory variables determined before hospital discharge revealed that frequent ventricular premature beats (VPBs) (≥10/hpur) on ambulatory electrocardiographic monitoring and left ventricular (LV) dysfunction (radionuclide LV ejection fraction ≤0.40) were independently significant markers of risk for subsequent sudden death believed to be the result of a primary ventricular arrhythmia. The incidence of sudden death was 18% in patients with both LV dysfunction and frequent VPBs (11 times that of patients with neither of these findings). Seventy-nine percent of all sudden deaths occurred within 7 months after the index MI. In 280 survivors reclassified 6 months after MI with regard to the presence or absence of frequent VPBs and LV dysfunction, these risk factors could not be associated with sudden coronary death over a further follow-up period of up to 18 months; the overall incidence of sudden cardiac death was low (1.4%) after 6 months, thus, the presence of frequent VPBs in association with LV dysfunction early after MI identifies patients at high risk for sudden death over the next 7 months.

Original languageEnglish (US)
Pages (from-to)31-36
Number of pages6
JournalThe American journal of cardiology
Volume54
Issue number1
DOIs
StatePublished - Jul 1 1984

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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    Mukharji, J., Rude, R. E., Poole, W. K., Gustafson, N., Thomas, L. J., Strauss, H. W., Jaffe, A. S., Muller, J. E., Roberts, R., Raabe, D. S., Croft, C. H., Passamani, E., Braunwald, E., & Willerson, J. T. (1984). Risk factors for sudden death after acute myocardial infarction: Two-year follow-up. The American journal of cardiology, 54(1), 31-36. https://doi.org/10.1016/0002-9149(84)90299-6