Patient-Reported Selective Adherence to Heart Failure Self-Care Recommendations: A Prospective Cohort Study: The Atlanta Cardiomyopathy Consortium
AuthorMarti, C. N.; Georgiopoulou, V. V.; Giamouzis, G.; Cole, R. T.; Deka, A.; Tang, W. H. W.; Dunbar, S. B.; Smith, A. L.; Kalogeropoulos, A. P.; Butler, J.
Simultaneous adherence with multiple self-care instructions among heart failure (HF) patients is not well described. Patient-reported adherence to 8 recommendations related to exercise, alcohol, medications, smoking, diet, weight, and symptoms was assessed among 308 HF patients using the Medical Outcomes Study Specific Adherence Scale questionnaire (0="never" to 5="always," maximum score=40). A baseline cumulative score of ≥32/40 (average ≥80%) defined good adherence. Clinical events (death/transplantation/ventricular assist device), resource utilization, functional capacity (6-minute walk distance), and health status (Kansas City Cardiomyopathy Questionnaire [KCCQ]) were compared among patients with and without good adherence. The mean follow-up was 2.0±1.0years, and adherence ranged from 26.3% (exercise) to 89.9% (medications). A cumulative score indicating good adherence was reported by 35.7%, whereas good adherence with every behavior was reported by 9.1% of patients. Good adherence was associated with fewer hospitalizations (all-cause 87.8 vs 107.6; P=.018; HF 29.6 vs 43.8; P=.007) and hospitalized days (all-cause 422 vs 465; P=.015; HF 228 vs 282; P<.001) per 100-person-years and better health status (KCCQ overall score 70.1±24.6 vs 63.8±22.8; P=.011). Adherence was not associated with clinical events or functional capacity. Patient-reported adherence with HF self-care recommendations is alarmingly low and selective. Good adherence was associated with lower resource utilization and better health status. © 2012 Wiley Periodicals, Inc.
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