2022
DOI: 10.3389/fcvm.2022.824628
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Association of Lean Body Mass and Fat Mass With 1-Year Mortality Among Patients With Heart Failure

Abstract: BackgroundPrior studies have found an unexplained inverse or U-shaped relationship between body mass index (BMI) and mortality in heart failure (HF) patients. However, little is known about the independent effects of each body component, i.e., lean body mass (LBM) and fat mass (FM), on mortality.MethodsWe used data from the China Patient-centered Evaluative Assessment of Cardiac Events-Prospective Heart Failure Study. LBM and FM were calculated using equations developed from the National Health and Nutrition E… Show more

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Cited by 4 publications
(5 citation statements)
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“…Although VO 2 max did not predict CC and physical activity was not measured in this sample, the same postulation may explain the higher incidence of obesity among our cachectic patients who had lower baseline LVEF than the non-cachectic patients. Similar to depression (Carels, 2004; Qiu et al, 2021; Rumsfeld et al, 2003; Sullivan et al, 2004; Vaccarino et al, 2001), decreased LVEF is associated with lower functional capacity (Davos et al, 2003) and exercise levels due to dyspnea and marked fatiguability (Anker, Swan, et al, 1997) Thus, obesity in HF may not necessarily indicate the absence of cachexia and muscle wasting (Ge et al, 2022; Selthofer-Relatić et al, 2019) and might be explained by decreased physical activity due to the decreased LVEF and advanced HF.…”
Section: Discussionmentioning
confidence: 99%
“…Although VO 2 max did not predict CC and physical activity was not measured in this sample, the same postulation may explain the higher incidence of obesity among our cachectic patients who had lower baseline LVEF than the non-cachectic patients. Similar to depression (Carels, 2004; Qiu et al, 2021; Rumsfeld et al, 2003; Sullivan et al, 2004; Vaccarino et al, 2001), decreased LVEF is associated with lower functional capacity (Davos et al, 2003) and exercise levels due to dyspnea and marked fatiguability (Anker, Swan, et al, 1997) Thus, obesity in HF may not necessarily indicate the absence of cachexia and muscle wasting (Ge et al, 2022; Selthofer-Relatić et al, 2019) and might be explained by decreased physical activity due to the decreased LVEF and advanced HF.…”
Section: Discussionmentioning
confidence: 99%
“…Although BMI is well correlated with body fatness [ 18 ], it does not distinguish fat from fat-free mass and can overestimate adiposity in muscular subjects. BMI has been well validated with body fat percentage as assessed by dual X-ray absorptiometry and can be clinically useful [ 19 ], but lean body mass or lean body mass index might be a better indicator to predict future mortality [ 19 , 20 ]. However, data regarding lean body mass were not collected in this study.…”
Section: Discussionmentioning
confidence: 99%
“…Of course, this study has some limitations: First, body composition indicators, predicted FM and LBM, were calculated by anthropometric prediction equations rather than the gold standard method DXA measurements; furthermore, although Lee et al's anthropometric prediction equations take into account the effect of race and have been used to calculate body composition in several published studies in Asian populations (42)(43)(44), the high predictive power of the prediction equations has not been directly confirmed in Asian populations at this time and needs to be validated in future studies. Second, the diagnosis of NAFLD was based on abdominal ultrasound images rather than the liver biopsy (19), however, it is unethical to perform an invasive test on the general population attending a health check-up.…”
Section: Study Strengths and Limitationsmentioning
confidence: 99%