The authors for this systematic review and meta-analysis sought to characterize the potential prognostic value of using delayed heart rate recovery as a simple measure of physical fitness and risk of mortality in patients with coronary artery disease (CAD). They looked at 2,428 patients with CAD, and pooled the hazard ratios for delayed vs. nondelayed heart rate recovery using random-effects meta-analysis. According to their results, 151 patients died during follow-up, and only mortality data could be pooled. The unadjusted hazard ratio for mortality, based on 3 studies, was 5.8 (95% CI, 3.2-10.4). The researchers concluded that delayed heart rate recover was significantly associated with all-cause mortality and suggested that “as exercise testing is performed routinely in CAD patients, heart rate recovery could be considered in monitoring exercise.”
Source: American Heart Journal
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