2022
DOI: 10.1002/jcsm.13128
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Impact of sarcopenia and phase angle on mortality of the very elderly

Abstract: Background Sarcopenia is a major component of geriatric syndrome and associated with poor clinical outcomes and mortality. However, diagnosing sarcopenia in the very elderly is difficult, and data on its epidemiology and devastating effects in this group are scarce. Phase angle (PA) is measured using bioimpedance spectroscopy and known to reflect cellular integrity and health. This study aimed to clarify the impact of sarcopenia and PA on mortality risk in very elderly people living in long‐term care facilitie… Show more

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Cited by 18 publications
(12 citation statements)
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“…In comparison to prior studies, it must be pointed out that this value is much lower than observed by Genton et al, in Swiss patients over 65y, with different pathologies [55], and the documented ones as reference values in previous populations [11,14,20,48,49,57]. Several studies have established the PhA cut-off point as an indicator of mortality in older adults, for example, the group of Kwon et al (value of 3.19 • ) [58]. However, their result was obtained by using the PhA value for the non-stratified sample by sex, when the most appropriate would have been standardizing PhA to avoid the effect of sex since it has been demonstrated that PhA is lower in women than in men [50].…”
Section: Discussionmentioning
confidence: 74%
“…In comparison to prior studies, it must be pointed out that this value is much lower than observed by Genton et al, in Swiss patients over 65y, with different pathologies [55], and the documented ones as reference values in previous populations [11,14,20,48,49,57]. Several studies have established the PhA cut-off point as an indicator of mortality in older adults, for example, the group of Kwon et al (value of 3.19 • ) [58]. However, their result was obtained by using the PhA value for the non-stratified sample by sex, when the most appropriate would have been standardizing PhA to avoid the effect of sex since it has been demonstrated that PhA is lower in women than in men [50].…”
Section: Discussionmentioning
confidence: 74%
“…24 It serves as a useful prognostic and nutritional indicator in individuals with severe diseases, 25 severe mental and physical disabilities, or chronic diseases, 26 and in older adults requiring long-term care. 19 Furthermore, a decrease in neck circumference has also been reported to be associated with lower SMI values, 27 lower BMI values, 28 lower serum albumin levels, 13 and even sarcopenia. 15 In this study, a decrease in neck circumference was positively correlated with BMI, SMI, and PhA, supporting previous findings and suggesting that neck circumference may be a factor related to skeletal muscle mass and nutritional status.…”
Section: Discussionmentioning
confidence: 99%
“…PhA, a value calculated by measuring cell membrane resistance using a weak electric current, 23 has been reported to be associated with inflammatory marker and serum albumin levels 24 . It serves as a useful prognostic and nutritional indicator in individuals with severe diseases, 25 severe mental and physical disabilities, or chronic diseases, 26 and in older adults requiring long‐term care 19 . Furthermore, a decrease in neck circumference has also been reported to be associated with lower SMI values, 27 lower BMI values, 28 lower serum albumin levels, 13 and even sarcopenia 15 .…”
Section: Discussionmentioning
confidence: 99%
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