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Article Abstract
Objectives: The Asian Working Group for Sarcopenia in 2019 (AWGS 2019) emphasized muscle mass measurements. In contrast, the Sarcopenia Definitions and Outcomes Consortium (SDOC) prioritizes functional strength and mobility. Therefore, this study aimed to compare the prognostic utility of the SDOC and AWGS 2019 criteria for all-cause mortality in older patients with heart failure.
Design: A post hoc analysis of the Prevalence and Prognostic Value of Physical and Social Frailty in Geriatric Patients Hospitalized for Heart Failure (FRAGILE-HF) study, a prospective, multicenter, observational study.
Setting And Participants: Patients aged ≥65 years hospitalized for heart failure across 15 hospitals in Japan.
Methods: Sarcopenia was diagnosed according to the AWGS 2019 and SDOC definitions. According to the SDOC criteria and by integrating insights from previous research, patients were categorized into nonsarcopenia, possible sarcopenia, and sarcopenia groups. The primary outcome was 2-year mortality.
Results: Of the 1282 study patients, possible sarcopenia and sarcopenia were diagnosed in 357 and 786 individuals, respectively. Kaplan-Meier analysis revealed a significant difference between the groups. Adjusted Cox proportional hazards analysis indicated a significant stepwise association between sarcopenic status and mortality risk (possible sarcopenia: hazard ratio, 1.22; 95% CI, 0.66-2.28; P = .525; sarcopenia: hazard ratio, 1.89; 95% CI, 1.08-3.34; P = .027). When sarcopenia defined by the SDOC and AWGS 2019 criteria was added to the model incorporating conventional risk factors, no significant difference was observed in the prognostic capabilities between the 2 models (net reclassification improvement, -0.009; 95% CI, -0.193 to 0.174; P = .920, with areas under the receiver operating characteristic curve of 0.697 for SDOC and 0.703 for AWGS 2019; P = .675).
Conclusions And Implications: Among older patients with heart failure, the SDOC criteria for sarcopenia diagnosis are useful for risk stratification and provide prognostic capabilities equivalent to those of the AWGS 2019 criteria.
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| http://dx.doi.org/10.1016/j.jamda.2024.105350 | DOI Listing |
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