Effect of Intra-dialytic, Low-intensity Strength Training on Functional Capacity in Adult Haemodialysis Patients: a Randomized Pilot Trial

Overview

Journal Nephrol Dial Transplant

Publisher Oxford University Press

Specialties General Surgery
Nephrology

Date 2010 Jan 27

PMID 20100734

Citations 67

Authors

Joline L T Chen

Susan Godfrey

Tan Tan Ng

Ranjani Moorthi

Orfeas Liangos

Robin Ruthazer

Bertrand L Jaber

Andrew S Levey

Carmen Castaneda-Sceppa

Affiliations

Soon will be listed here.

Abstract

Background: Kidney failure is associated with muscle wasting and physical impairment. Moderate- to high-intensity strength training improves physical performance, nutritional status and quality of life in people with chronic kidney disease and in dialysis patients. However, the effect of low-intensity strength training has not been well documented, thus representing the objective of this pilot study.

Methods: Fifty participants (mean +/- SD, age 69 +/- 13 years) receiving long-term haemodialysis (3.7 +/- 4.2 years) were randomized to intra-dialytic low-intensity strength training or stretching (attention-control) exercises twice weekly for a total of 48 exercise sessions. The primary study outcome was physical performance assessed by the Short Physical Performance Battery score (SPPB) after 36 sessions, if available, or carried forward from 24 sessions. Secondary outcomes included lower body strength, body composition and quality of life. Measurements were obtained at baseline and at completion of 24 (mid), 36 (post) and 48 (final) exercise sessions.

Results: Baseline median (IQR) SPPB score was 6.0 (5.0), with 57% of the participants having SPPB scores below 7. Exercise adherence was 89 +/- 15%. The primary outcome could be computed in 44 participants. SPPB improved in the strength training group compared to the attention-control group [21.1% (43.1%) vs. 0.2% (38.4%), respectively, P = 0.03]. Similarly, strength training participants exhibited significant improvements from baseline compared to the control group in knee extensor strength, leisure-time physical activity and self-reported physical function and activities of daily living (ADL) disability; all P < 0.02. Adverse events were common but not related to study participation.

Conclusions: Intra-dialytic, low-intensity progressive strength training was safe and effective among maintenance dialysis patients. Further studies are needed to establish the generalizability of this strength training program in dialysis patients.

Citing Articles

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Systematic review of the best evidence for resistance exercise in maintenance hemodialysis patients.

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The Effect of Intradialytic Exercise Using Virtual Reality on the Body Composition of Patients with Chronic Kidney Disease.

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PMID: 38931320 PMC: 11206238. DOI: 10.3390/nu16121968.

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