A population-based perspective of changes in health-related quality of life after myocardial infarction in older men and women

Carlos F. Mendes De Leon, Harlan M. Krumholz, Viola Vaccarino, Christianna S. Williams, Thomas A. Glass, Lisa F. Berkman, Stanislav V. Kas

Research output: Contribution to journalArticlepeer-review

Abstract

This study analyzes changes in health-related quality-of-life (HQL) outcomes following myocardial infraction (MI) from a population-based perspective. Data came from a representative sample of 2812 men and women 65 years and older living in New Haven, CT. All subjects were interviewed at baseline in 1982, and again in 1985 and 1988. HQL outcomes included self-rated health, depressive symptoms, and physical and social functioning. Pooled logistic regression models were used to estimate the risk for decline in HQL outcomes due to MI. Of the 203 MIs during follow-up, 111 (55%) survived until the next interview to provide post-MI data on outcomes. In bivariate analysis, MI patients were more likely than subjects without MI to show a decline in physical functioning (26.4% vs. 11.9%, P = .001) and social functioning (31.4% vs. 20.8%, P = .06). There were no differences in self-rated health (26.3% vs. 26.9%), but MI patients were less likely to show an increase in depression (9.1% vs. 15.8%, P = .08). These associations remained mostly unchanged after adjustment for CHD risk factors. The effect of MI on physical and social functioning was much stronger among patients with a recent MI (< 1 year ago) than those whose MI had occurred more than a year before post-MI assessment. While a substantial proportion of MI patients experience a significant decline in quality of life-related outcomes, only some of these declines occur more frequently among MI patients than in the population at large. This effect may also be limited to the immediate post-MI period. Results from this analysis are discussed in terms of the 'burden of illness' within a defined population due to MI.

Original languageEnglish (US)
Pages (from-to)609-616
Number of pages8
JournalJournal of Clinical Epidemiology
Volume51
Issue number7
DOIs
StatePublished - Jul 1 1998

Keywords

  • Depression
  • Epidemiologic studies
  • Myocardial infarction
  • Physical functioning
  • Quality of life
  • Social functioning

ASJC Scopus subject areas

  • Epidemiology

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