Journal
NUTRIENTS
Volume 14, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/nu14050923
Keywords
SARC-F; SARC-CalF; calf circumference; sarcopenia; peritoneal dialysis
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Funding
- Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taiwan [TCMF-CP 109-01]
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This study compared different assessment methods for diagnosing sarcopenia in patients undergoing peritoneal dialysis (PD). The results showed that SARC-CalF and CC performed better than SARC-F in diagnosing sarcopenia. Furthermore, the superiority of SARC-CalF and CC over SARC-F was maintained when stratified by gender.
Sarcopenia is frequently encountered in patients undergoing peritoneal dialysis (PD). We evaluated and compared the diagnostic performance of a strength, assistance walking, rise from a chair, climb stairs, and falls (SARC-F) questionnaire, SARC-F combined with calf circumference (SARC-CalF), and calf circumference (CC) for screening sarcopenia among patients undergoing PD. We measured the appendicular skeletal muscle mass, evaluated using a multifrequency bioimpedance spectroscopy device, handgrip strength, and 6-m gait speed. SARC-F, SARC-CalF, and CC were obtained in all participants. Sarcopenia was defined using four different diagnostic criteria, including the Asian Working Group for Sarcopenia (AWGS) 2019, revised European Working Group on Sarcopenia in Older People (EWGSOP2), Foundation for the National Institutes of Health (FNIH), and International Working Group on Sarcopenia (IWGS). Among 186 enrolled patients undergoing PD (mean age 57.5 +/- 14.1 years), the sarcopenia prevalence was 25.8-38.2% using the four definitions. The discriminative powers of SARC-CalF (range 0.648-0.748) and CC (range 0.652-0.813) against the four definitions were better than those exhibited by SARC-F (range 0.587-0.625), which achieved significant difference, except when adopting the criteria of the FNIH. After stratification by gender, the superiority of SARC-CalF and CC over SARC-F was maintained when AWGS 2019, EWGSOP2, and IWGS were applied. In conclusion, CC and SARC-CalF outperformed SARC-F in the diagnostic accuracy of sarcopenia among patients undergoing PD.
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