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Enfermería Nefrológica

On-line version ISSN 2255-3517Print version ISSN 2254-2884


RUBIO PAEZ, Sandra et al. Intradialysis neuromuscular electro stimulation, muscle strength, functional capacity and body composition. Enferm Nefrol [online]. 2015, vol.18, n.4, pp.273-281. ISSN 2255-3517.

Background: The reduced functional capacity and significant muscle atrophy characterized patients on hemodialysis. Intradialytic exercise and recently neuromuscular electrostimulation (EMS) represent two serious therapeutical options to improve the deteriorated physical condition. Until date, there are no published studies about the role of EMS and body composition in HD patients. Objectives: Analyze the effect a program of EMS on muscle strength, functional capacity, nutritional parameters and body composition in our HD patients. Methods: A 12 weeks single-center, prospective study. Patients included in the study performed an intradialysis EMS adaptive program in both quadriceps using the Compex R Theta 500i device. We analyzed: 1.- Nutritional parameters (albumin, pre-albumin, triglycerides, total cholesterol and fractions, ferritin and C-reactive protein). 2.- Muscular data: Muscular composition, Maximum length quadriceps strength (MLQS) and "hand-grip" (HG) dominant arm. 3.- Functional capacity test: "Sit to stand to sit" (STS10) and "six-minutes walking test" (6MWT). 4.- Body composition. Results: 13 HD patients included: 69.2 % men. Mean age 65.7 years and 33.9 months on HD. A significant (* p < 0,05) improvement was observed in MLQS* (11.7±7.1 vs 13.4±7.4 Kg), STS10* (39.3±15.5 vs 35.8±13.7 seg), 6MWT* (9.9%, 293.2 vs 325.2 m). There was a significant increase in the quadriceps muscular area (QMA*: 128.6 ± 30.2 vs 144.6 ± 22.4 cm2) and decrease of fat quadricipital area (FQA*: 76.5 ± 26.9 vs 62.1 ± 20.1 cm2). No significant changes were observed in nutritional parameters, body composition (body fat percentage, lean and fat mass, total body water) or dialysis adecuacy data. Conclusions: 1.- Intradialysis quadriceps EMS improved muscle strength, functional capacity and the quadriceps muscle composition in our HD patients. 2.- Our results underline the local aspects on EMS, given the absence of relevant changes on nutritional parameters and body composition. 3.- Future studies are manadatory in order to establish if EMS could be a new alternative to prevent muscle atrophy and the progressive deterioration of the physical condition of these patients.

Keywords : neuromuscular electro stimulation; hemodialysis; muscular strength; body composition.

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