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Review
. 2023 Jan 13;5(1):100252.
doi: 10.1016/j.arrct.2022.100252. eCollection 2023 Mar.

The Effects of Intradialytic Exercise on Key Indices of Sarcopenia in Patients With End-stage Renal Disease: A Systematic Review of Randomized Controlled Trials

Daniel Pender  1 , Ellen McGowan  1 , Joseph G McVeigh  1 , Ruth McCullagh  1
Affiliations
Review

The Effects of Intradialytic Exercise on Key Indices of Sarcopenia in Patients With End-stage Renal Disease: A Systematic Review of Randomized Controlled Trials

Daniel Pender et al. Arch Rehabil Res Clin Transl. .

Abstract

Objective: To evaluate the effects of intradialytic exercise (IDE) (exercise performed during dialysis) on sarcopenia and quality of life (QoL) in patients with end-stage renal disease (ESRD).

Data sources: A comprehensive search of 7 electronic databases was performed to identify randomized controlled trials measuring the effects of IDE in adults with ESRD. Searches were limited to the English language.

Study selection: Included studies were randomized controlled trials that measured the effects of IDE in adults with ESRD. Comparator groups received usual care or low-intensity sham interventions. Outcomes of interest were muscle mass, strength, physical function, and QoL. Papers were independently screened for eligibility by 2 authors, and any discrepancies resolved by a third author.

Data extraction: One author extracted the data from the included studies. Data were compared and discussed across the team members. Two authors independently assessed risk of bias using the Cochrane Risk of Bias 2 tool. Quality was assessed using the van Tulder scale and a narrative synthesis was conducted. Best evidence synthesis was used to structure the reviews findings.

Data synthesis: Fourteen studies were included in this review (n=837). While risk of bias was found high in 11 studies, demonstrating mainly selection, performance, and detection bias, the best evidence synthesis indicated strong evidence of resistance training improving muscle mass (16%-4.2%) and strength (45%-18%), and moderate evidence of combined exercise improving strength (37%), and various physical function scores.

Conclusions: Overall, there is strong evidence of resistance exercise, with moderate evidence of combined exercise, improving sarcopenia-related muscle and strength loss, and QoL in end-stage kidney disease. Adequately powered, good quality studies are required to determine the optimal exercise prescription to maximize outcomes.

Keywords: Exercise; Quality of life; Renal dialysis; Renal insufficiency; Sarcopenia.

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Figures

Fig 1
Fig 1
Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) flow diagram.
Fig 2
Fig 2
Summary plots of the risk of bias (RoB2 tool).
See this image and copyright information in PMC

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