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Nephrology (Carlton). 2016 Sep;21(9):785-90. doi: 10.1111/nep.12752.

Combining intra-dialytic exercise and nutritional supplementation in malnourished older haemodialysis patients: Towards better quality of life and autonomy.

Author information

1
Dialysis Unit Laënnec, ECHO Association, Nantes, France.
2
Laboratory MIP (UPRES-EA4334), University of Nantes, France.
3
Dialysis Unit Confluent, ECHO Association, Nantes, France.
4
Biometrics, CHU Nantes, Nantes, France.

Abstract

Protein-energy wasting (PEW), defined as a loss of body protein mass and fuel reserves, is a powerful predictor of adverse outcomes in haemodialysis (HD) patients. Robust arguments suggest that intra-dialytic exercise, combined with oral/parenteral nutrition, enhances the effect of nutritional interventions in HD patients. This pilot randomized controlled trial investigated the feasibility and the effects of a 6 month intra-dialytic cycling program combined to a nutritional support on PEW, physical functioning (gait, balance, muscle strength) and quality of life (QoL) in older HD patients (mean age 69.7 ± 14.2 years).Twenty-one patients fulfilling diagnostic criteria of PEW were randomly assigned to Nutrition-Exercise group (GN-Ex , n = 10) or Nutrition group (GN , n = 11). Both groups received nutritional supplements in order to reach recommended protein and energy intake goals. In addition GN-Ex completed a cycling program. No significant difference between groups was found in the number of patients having reached remission of PEW. Likewise, no change was observed in serum-albumin, -prealbumin, C-reactive protein, body mass index, lean- and fat-tissue index, or quadriceps force. Interestingly, we found positive effects of exercise on physical function and QoL for the GN-Ex , as evidenced by a significant improvement in the 6-min walk test (+22%), the absence of decline in balance (unlike the GN ), and a noteworthy increase in QoL (+53%). Combining intra-dialytic exercise and nutrition in HD patients is feasible, and well accepted, improves physical function and QoL but it appears not to have the potential to reverse PEW.

KEYWORDS:

aging; intra-dialytic exercise; nutrition; protein energy wasting; quality of life

PMID:
26890997
DOI:
10.1111/nep.12752
[Indexed for MEDLINE]

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