Association Between Health-Related Quality of Life and Body Composition Assessed by Bioelectrical Impedance Analysis in Peritoneal Dialysis Patients

 

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https://storage.unitedwebnetwork.com/files/1099/b205893486535151024b4c94b5c840a0.pdf
Association Between Health-Related Quality of Life and Body Composition Assessed by Bioelectrical Impedance Analysis in Peritoneal Dialysis Patients

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Mariko
Sekiguchi
Mariko Sekiguchi m.sekiguchi0911@gmail.com The University of Tokyo Hospital Department of Nephrology and Endocrinology Tokyo Japan *
Masaomi Nangaku mnangaku@m.u-tokyo.ac.jp The University of Tokyo Hospital Department of Nephrology and Endocrinology Tokyo Japan - The University of Tokyo Hospital Department of Hemodialysis and Apheresis Tokyo Japan
Yoshifumi Hamasaki yhamasaki-tky@umin.ac.jp The University of Tokyo Hospital Department of Hemodialysis and Apheresis Tokyo Japan -
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Current goals for Peritoneal dialysis (PD) care emphasize preserving health-related quality of life (HRQoL) of the patients. In PD patients, although unfavorable body compositions such as fluid overload and muscle loss are common and could be associated with poor prognosis, relationship between body compositions assessed objectively by bioelectrical impedance analysis (BIA) and HRQoL remains unclear.

In this prospective study, 30 stable adult PD patients were enrolled between July 2021 and July 2023. HRQoL was assessed using the 12-item Short Form Survey version 2 (SF-12v2) questionnaire, calculating Physical (PCS) and Mental (MCS) component summary scores. Indices of extracellular water (ECW) and intracellular water (ICW), reflecting body fluid volume and muscle mass respectively, were evaluated by multifrequency BIA at the same time as the HRQoL assessment, as well as 6 months prior and after. Correlations between HRQoL and body compositions were analysed.

Median age was 66.4 years, and 80% were male. PCS showed an inverse correlation with ECW standardized by total body water (TBW) or fat free mass (FFM) (r = −0.485 and p = .007 for ECW/TBW, r = −0.423 and p = .020 for ECW/FFM). PCS was also positively correlated with ICW/FFM (r = 0.448, p = .013). Indices of ECW obtained 6months before and after HRQoL assessment were inversely associated with PCS, while ICW/FFM 6 months before correlated positively with PCS. No significant associations were observed between MCS and body compositions.

Fluid overload and muscle loss were associated with poorer physical HRQoL. Persistent fluid excess may precede HRQoL decline, suggesting the role of fluid management to maintain HRQoL in PD patients.

Parts of this study were presented at the 69th Annual Meeting of the Japanese Society for Dialysis Therapy.

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