Mortality Associated with Heart Failure after Myocardial Infarction

A Contemporary Community Perspective

Yariv Gerber, Susan A. Weston, Maurice E Sarano, Cecilia Berardi, Alanna Chamberlain, Sheila M. Manemann, Ruoxiang Jiang, Shannon M Dunlay, Veronique Lee Roger

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Contemporary data are lacking on the prognostic importance of heart failure (HF) after myocardial infarction (MI). We evaluated the prognostic impact of HF post MI according to preserved/reduced ejection fraction and the timing of its occurrence. Methods and Results-All Olmsted County, Minnesota, residents (n=2596) with incident MI diagnosed in 1990 to 2010 and no prior HF were followed through March 2013. Cox models were used to examine (1) the hazard ratios for death associated with HF type and timing and (2) secular trends in survival by HF status. During a mean follow-up of 7.6 years, there were 1116 deaths, 634 in the 902 patients who developed HF (70%) and 482 in the 1694 patients who did not develop HF (28%). After adjustment for age and sex, HF as a time-dependent variable was strongly associated with mortality (hazard ratio =3.31, 95% confidence interval: 2.93-3.75), particularly from cardiovascular causes (hazard ratio =4.20, 95% confidence interval: 3.50-5.03). Further adjustment for MI severity and comorbidity, acute treatment, and recurrent MI moderately attenuated these associations (hazard ratio =2.49 and 2.94 for all-cause and cardiovascular mortality, respectively). Mortality did not differ by ejection fraction, but was higher for delayed-versus early-onset HF (P for heterogeneity =0.002). The age-and sex-adjusted 5-year survival estimates in 2001 to 2010 versus 1990 to 2000 were 82% and 81% among HF-free and 61% and 54% among HF patients, respectively (P for heterogeneity of trends =0.05). Conclusions-HF markedly increases the risk of death after MI. This excess risk is similar regardless of ejection fraction but greater for delayed-versus early-onset HF. Mortality after MI declined over time, primarily as a result of improved HF survival.

Original languageEnglish (US)
JournalCirculation: Heart Failure
Volume9
Issue number1
DOIs
StatePublished - Jan 1 2016

Fingerprint

Heart Failure
Myocardial Infarction
Mortality
Survival
Confidence Intervals
Proportional Hazards Models
Comorbidity

Keywords

  • Cohort studies
  • ejection fraction
  • epidemiology
  • heart failure
  • mortality
  • myocardial infarction
  • secondary prevention
  • trends

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Mortality Associated with Heart Failure after Myocardial Infarction : A Contemporary Community Perspective. / Gerber, Yariv; Weston, Susan A.; Sarano, Maurice E; Berardi, Cecilia; Chamberlain, Alanna; Manemann, Sheila M.; Jiang, Ruoxiang; Dunlay, Shannon M; Roger, Veronique Lee.

In: Circulation: Heart Failure, Vol. 9, No. 1, 01.01.2016.

Research output: Contribution to journalArticle

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abstract = "Contemporary data are lacking on the prognostic importance of heart failure (HF) after myocardial infarction (MI). We evaluated the prognostic impact of HF post MI according to preserved/reduced ejection fraction and the timing of its occurrence. Methods and Results-All Olmsted County, Minnesota, residents (n=2596) with incident MI diagnosed in 1990 to 2010 and no prior HF were followed through March 2013. Cox models were used to examine (1) the hazard ratios for death associated with HF type and timing and (2) secular trends in survival by HF status. During a mean follow-up of 7.6 years, there were 1116 deaths, 634 in the 902 patients who developed HF (70{\%}) and 482 in the 1694 patients who did not develop HF (28{\%}). After adjustment for age and sex, HF as a time-dependent variable was strongly associated with mortality (hazard ratio =3.31, 95{\%} confidence interval: 2.93-3.75), particularly from cardiovascular causes (hazard ratio =4.20, 95{\%} confidence interval: 3.50-5.03). Further adjustment for MI severity and comorbidity, acute treatment, and recurrent MI moderately attenuated these associations (hazard ratio =2.49 and 2.94 for all-cause and cardiovascular mortality, respectively). Mortality did not differ by ejection fraction, but was higher for delayed-versus early-onset HF (P for heterogeneity =0.002). The age-and sex-adjusted 5-year survival estimates in 2001 to 2010 versus 1990 to 2000 were 82{\%} and 81{\%} among HF-free and 61{\%} and 54{\%} among HF patients, respectively (P for heterogeneity of trends =0.05). Conclusions-HF markedly increases the risk of death after MI. This excess risk is similar regardless of ejection fraction but greater for delayed-versus early-onset HF. Mortality after MI declined over time, primarily as a result of improved HF survival.",
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AU - Chamberlain, Alanna

AU - Manemann, Sheila M.

AU - Jiang, Ruoxiang

AU - Dunlay, Shannon M

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AB - Contemporary data are lacking on the prognostic importance of heart failure (HF) after myocardial infarction (MI). We evaluated the prognostic impact of HF post MI according to preserved/reduced ejection fraction and the timing of its occurrence. Methods and Results-All Olmsted County, Minnesota, residents (n=2596) with incident MI diagnosed in 1990 to 2010 and no prior HF were followed through March 2013. Cox models were used to examine (1) the hazard ratios for death associated with HF type and timing and (2) secular trends in survival by HF status. During a mean follow-up of 7.6 years, there were 1116 deaths, 634 in the 902 patients who developed HF (70%) and 482 in the 1694 patients who did not develop HF (28%). After adjustment for age and sex, HF as a time-dependent variable was strongly associated with mortality (hazard ratio =3.31, 95% confidence interval: 2.93-3.75), particularly from cardiovascular causes (hazard ratio =4.20, 95% confidence interval: 3.50-5.03). Further adjustment for MI severity and comorbidity, acute treatment, and recurrent MI moderately attenuated these associations (hazard ratio =2.49 and 2.94 for all-cause and cardiovascular mortality, respectively). Mortality did not differ by ejection fraction, but was higher for delayed-versus early-onset HF (P for heterogeneity =0.002). The age-and sex-adjusted 5-year survival estimates in 2001 to 2010 versus 1990 to 2000 were 82% and 81% among HF-free and 61% and 54% among HF patients, respectively (P for heterogeneity of trends =0.05). Conclusions-HF markedly increases the risk of death after MI. This excess risk is similar regardless of ejection fraction but greater for delayed-versus early-onset HF. Mortality after MI declined over time, primarily as a result of improved HF survival.

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