Temporal Trends in the Prevalence of Cancer and Its Impact on Outcome in Patients With First Myocardial Infarction: A Nationwide Study – DocWire News

Background Coexistence of cancer and cardiovascular disease is increasingly frequent, but nationwide data covering cancer patients withmyocardial infarction(MI) are scarce. We sought to investigate the prevalence of cancer in patients with first MI, and its impact on cardiovascular and bleeding outcome. Methods and Results Using nationwide Swedish quality registries, all patients admitted for first MI between 2001 and 2014 were identified. Data on comorbidity, cancer, and outcome were obtained from the national cancer and patient registries. Stratification was performed according to cancer during the 5years before MI. Multivariable Cox proportional hazards analyses adjusting for cardiovascular risk factors and invasive treatment assessed the association of cancer with outcome. In total, 175146 patients with first MI were registered, of whom 9.3% (16237) had received care for cancer in the 5years before admission.

The cancer rate increased from 6.7% in the years 2001-2002 to 10.7% in 2013-2014, independent of sex and cancer type. The presence of a new cancer diagnosis within 5years increased from 4.9% to 6.2%. During a median follow-up of 4.3years, cancer was associated with all-cause mortality (hazard ratio, 1.44; 95% CI, 1.40-1.47), recurrent MI (hazard ratio, 1.08; 95% CI, 1.04-1.12), heart failure (hazard ratio, 1.10; 95% CI, 1.06-1.13), and major bleeding (hazard ratio, 1.45; 95% CI, 1.34-1.57). Risk for adverse events varied strongly according to cancer extent, timing, and type. Conclusions Cancer as a comorbid disorder is increasing and is strongly associated with mortality, severe bleeding, and adverse cardiovascular outcome after first MI.

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Temporal Trends in the Prevalence of Cancer and Its Impact on Outcome in Patients With First Myocardial Infarction: A Nationwide Study - DocWire News