Mayra Tisminetzky1,2,3, Jerry H Gurwitz1,2,3, Dongjie Fan4, Kristi Reynolds5, David H Smith6, Hassan Fouayzi1, Sue Hee Sung4, Robert Goldberg1,3, Alan S Go4,7,8,9,10,11. 1. Meyers Primary Care Institute, A Joint Endeavor of University of Massachusetts Medical School, Reliant Medical Group, and Fallon Health, Worcester, Massachusetts. 2. Division of Geriatric Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester. 3. Department of Population and Quantitative Health Sciences, University of Massachusetts Medical School, Worcester. 4. Division of Research, Kaiser Permanente Northern California, Oakland. 5. Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena. 6. Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon. 7. Department of Epidemiology and University of California, San Francisco. 8. Department of Biostatistics and University of California, San Francisco. 9. Department of Medicine, University of California, San Francisco. 10. Department of Medicine, Stanford University, California. 11. Department of Health Research and Policy, Stanford University, California.
Abstract
BACKGROUND: To examine the individual and combined associations of noncardiac-related conditions and mobility limitation with morbidity and mortality in adults with heart failure (HF). METHODS: We conducted a retrospective cohort study in a large, diverse group of adults with HF from five U.S. integrated healthcare delivery systems. We characterized patients with respect to the presence of noncardiac conditions (<3 vs ≥3) and/or mobility impairment (defined by the use/nonuse of a wheelchair, cane, or walker), categorizing them into four subgroups. Outcomes included all-cause death and hospitalizations for HF or any cause. RESULTS: Among 114,553 adults diagnosed with HF (mean age: 73 years old, 46% women), compared with <3 noncardiac conditions/no mobility limitation, adjusted hazard ratios (HR) for all-cause death among those with <3 noncardiac conditions/mobility limitation, ≥3 noncardiac conditions/no mobility limitation, ≥3 noncardiac conditions/mobility limitation (vs) were 1.40 (95% CI, 1.31-1.51), 1.72 (95% CI, 1.69-1.75), and 1.93 (95% CI, 1.85-2.01), respectively. We did not observe an increased risk of any-cause or HF-related hospitalization related to the presence of mobility limitation among those with a greater burden of noncardiac multimorbidity. Consistent findings regarding mortality were observed within groups defined according to age, gender, and HF type (preserved, reduced, mid-range ejection fraction), with the most prominent impact of mobility limitation in those <65 years of age. CONCLUSIONS: There is an additive association of mobility limitation, beyond the burden of noncardiac multimorbidity, on mortality for patients with HF, and especially prominent in younger patients.
BACKGROUND: To examine the individual and combined associations of noncardiac-related conditions and mobility limitation with morbidity and mortality in adults with heart failure (HF). METHODS: We conducted a retrospective cohort study in a large, diverse group of adults with HF from five U.S. integrated healthcare delivery systems. We characterized patients with respect to the presence of noncardiac conditions (<3 vs ≥3) and/or mobility impairment (defined by the use/nonuse of a wheelchair, cane, or walker), categorizing them into four subgroups. Outcomes included all-cause death and hospitalizations for HF or any cause. RESULTS: Among 114,553 adults diagnosed with HF (mean age: 73 years old, 46% women), compared with <3 noncardiac conditions/no mobility limitation, adjusted hazard ratios (HR) for all-cause death among those with <3 noncardiac conditions/mobility limitation, ≥3 noncardiac conditions/no mobility limitation, ≥3 noncardiac conditions/mobility limitation (vs) were 1.40 (95% CI, 1.31-1.51), 1.72 (95% CI, 1.69-1.75), and 1.93 (95% CI, 1.85-2.01), respectively. We did not observe an increased risk of any-cause or HF-related hospitalization related to the presence of mobility limitation among those with a greater burden of noncardiac multimorbidity. Consistent findings regarding mortality were observed within groups defined according to age, gender, and HF type (preserved, reduced, mid-range ejection fraction), with the most prominent impact of mobility limitation in those <65 years of age. CONCLUSIONS: There is an additive association of mobility limitation, beyond the burden of noncardiac multimorbidity, on mortality for patients with HF, and especially prominent in younger patients.
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