Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients

Background Sarcopenia and endothelial dysfunction are both common among kidney transplant (KT) recipients. We aimed to evaluate the association between endothelial dysfunction and sarcopenia, as well as its individual components. Methods Vascular reactivity index (VRI), skeletal muscle index (SMI =...

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Autores principales:	Siok-Bin Khoo, Yu-Li Lin, Guan-Jin Ho, Ming-Che Lee, Bang-Gee Hsu
Formato:	article
Lenguaje:	EN
Publicado:	PeerJ Inc. 2021
Materias:	Endothelial function Sarcopenia Muscle mass Muscle strength Gait speed Kidney transplantation Medicine R
Acceso en línea:	https://doaj.org/article/2c91401829da4fff98bc66fc8bb551cc
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spelling	oai:doaj.org-article:2c91401829da4fff98bc66fc8bb551cc2021-11-24T15:05:15ZAssociation of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients10.7717/peerj.125212167-8359https://doaj.org/article/2c91401829da4fff98bc66fc8bb551cc2021-11-01T00:00:00Zhttps://peerj.com/articles/12521.pdfhttps://peerj.com/articles/12521/https://doaj.org/toc/2167-8359Background Sarcopenia and endothelial dysfunction are both common among kidney transplant (KT) recipients. We aimed to evaluate the association between endothelial dysfunction and sarcopenia, as well as its individual components. Methods Vascular reactivity index (VRI), skeletal muscle index (SMI = skeletal muscle mass/height2), handgrip strength (HGS), and 6-meter usual gait speed (GS) were measured in 95 KT recipients. Low SMI was defined as SMI less than 10% of the sex-specific reference values from Chinese adults; low HGS as HGS < 28 kg for men and < 18 kg for women; slow GS as GS below 1.0 m/s. Sarcopenia was diagnosed based on the presence of low SMI as an essential criterion, accompanied by either low HGS or slow GS. Vascular reactivity was classified as being indicative of poor (VRI < 1.0), intermediate (1.0 ≤ VRI < 2.0), or good (VRI ≥ 2.0) vascular reactivity. Results Of the 95 patients, aged 45.2 ± 10.9 years, 11.6% had sarcopenia and 13.7% had poor vascular reactivity. Patients with sarcopenia were lower in body mass index (p = 0.001) and VRI (p = 0.041), and have a higher proportion of low muscle mass (p < 0.001), low HGS (p < 0.001), and slow GS (p = 0.001). Patients with poor vascular reactivity have a higher proportion of sarcopenia (p = 0.005), low HGS (p = 0.006), and slow GS (p = 0.029). Multivariate logistic regression analysis showed that patients in the poor VRI group were significantly associated with sarcopenia (odds ratio, OR = 6.17; 95% confidence interval [1.06–36.04]; p = 0.043), comparing to those with good VRI. We further analysed the effects of VRI on individual components of sarcopenia and found that VRI predicted slow GS significantly (OR = 0.41; 95% CI = [0.21–0.79]; p = 0.007), but not low SMI (OR = 1.15; 95% CI [0.53–2.49]; p = 0.718) and HGS (OR = 0.59; 95% CI [0.31–1.16]; p = 0.125). Conclusions We concluded that endothelial dysfunction is a key determinant of sarcopenia in KT recipients. Furthermore, endothelial dysfunction is more closely related to gait speed than muscle mass and strength.Siok-Bin KhooYu-Li LinGuan-Jin HoMing-Che LeeBang-Gee HsuPeerJ Inc.articleEndothelial functionSarcopeniaMuscle massMuscle strengthGait speedKidney transplantationMedicineRENPeerJ, Vol 9, p e12521 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Endothelial function Sarcopenia Muscle mass Muscle strength Gait speed Kidney transplantation Medicine R
spellingShingle	Endothelial function Sarcopenia Muscle mass Muscle strength Gait speed Kidney transplantation Medicine R Siok-Bin Khoo Yu-Li Lin Guan-Jin Ho Ming-Che Lee Bang-Gee Hsu Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
description	Background Sarcopenia and endothelial dysfunction are both common among kidney transplant (KT) recipients. We aimed to evaluate the association between endothelial dysfunction and sarcopenia, as well as its individual components. Methods Vascular reactivity index (VRI), skeletal muscle index (SMI = skeletal muscle mass/height2), handgrip strength (HGS), and 6-meter usual gait speed (GS) were measured in 95 KT recipients. Low SMI was defined as SMI less than 10% of the sex-specific reference values from Chinese adults; low HGS as HGS < 28 kg for men and < 18 kg for women; slow GS as GS below 1.0 m/s. Sarcopenia was diagnosed based on the presence of low SMI as an essential criterion, accompanied by either low HGS or slow GS. Vascular reactivity was classified as being indicative of poor (VRI < 1.0), intermediate (1.0 ≤ VRI < 2.0), or good (VRI ≥ 2.0) vascular reactivity. Results Of the 95 patients, aged 45.2 ± 10.9 years, 11.6% had sarcopenia and 13.7% had poor vascular reactivity. Patients with sarcopenia were lower in body mass index (p = 0.001) and VRI (p = 0.041), and have a higher proportion of low muscle mass (p < 0.001), low HGS (p < 0.001), and slow GS (p = 0.001). Patients with poor vascular reactivity have a higher proportion of sarcopenia (p = 0.005), low HGS (p = 0.006), and slow GS (p = 0.029). Multivariate logistic regression analysis showed that patients in the poor VRI group were significantly associated with sarcopenia (odds ratio, OR = 6.17; 95% confidence interval [1.06–36.04]; p = 0.043), comparing to those with good VRI. We further analysed the effects of VRI on individual components of sarcopenia and found that VRI predicted slow GS significantly (OR = 0.41; 95% CI = [0.21–0.79]; p = 0.007), but not low SMI (OR = 1.15; 95% CI [0.53–2.49]; p = 0.718) and HGS (OR = 0.59; 95% CI [0.31–1.16]; p = 0.125). Conclusions We concluded that endothelial dysfunction is a key determinant of sarcopenia in KT recipients. Furthermore, endothelial dysfunction is more closely related to gait speed than muscle mass and strength.
format	article
author	Siok-Bin Khoo Yu-Li Lin Guan-Jin Ho Ming-Che Lee Bang-Gee Hsu
author_facet	Siok-Bin Khoo Yu-Li Lin Guan-Jin Ho Ming-Che Lee Bang-Gee Hsu
author_sort	Siok-Bin Khoo
title	Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
title_short	Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
title_full	Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
title_fullStr	Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
title_full_unstemmed	Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
title_sort	association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients
publisher	PeerJ Inc.
publishDate	2021
url	https://doaj.org/article/2c91401829da4fff98bc66fc8bb551cc
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_version_	1718414921795895296

Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients

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