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Previous studies have suggested that community-acquired pneumonia (CAP) is associated with excess risk for heart failure (HF). In this Canadian study, researchers quantitated the short- and long-term risk for HF after CAP by comparing a population-based cohort of 5000 CAP patients with 23,000 age- and sex-matched controls who did not have CAP. Cases and controls had no histories of HF; average age was 55.
After a median 10-year follow-up, 11.9% of participants with CAP had experienced incident HF, compared with 7.4% of controls — a significant difference (adjusted hazard ratio, 1.6). Patients with CAP were significantly more likely than controls to have HF-related hospital admissions within 90 days (AHR, 1.5) and 1 year (AHR, 1.9). Results w…