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Neuromuscular electrical stimulation with Russian current for expiratory muscle training in patients with chronic obstructive pulmonary disease
Dall' Acqua AA, Dohnert M, dos Santos L
Journal of Physical Therapy Science 2012 Nov;24(10):955-959
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

PURPOSE: To analyze the effects of neuromuscular electrical stimulation (NMES) applied to the abdominal muscles of patients with COPD. SUBJECTS: A total of 22 patients in group A, mean age of 68.2 +/- 6.4 years and in group B, 71.2 +/- 10.1 years. METHODS: Randomized clinical trial. Patients with COPD were randomly an evenly divided into two groups: group A (NMES plus conventional therapy) and group B (conventional physiotherapy) and respiratory muscle strength was measured by pressure manometry before and after the end of the experimental protocols. RESULTS: Maximum inspiratory pressure before and after the intervention of group A was -64 (44 to 74) cmH2O, respectively, and -68 (56 to 96) cmH2O, and in group B -52 (46 to 92) cmH2O and -60 (50 to 72) cmH2O. Maximum expiratory pressure of group A was 84 (72 to 92) cmH2O and 112 (94 to 120), respectively, and in group B 76 (60 to 100) cmH2O and 84 (60 to 108) cmH2O. CONCLUSION: The results indicate that expiratory muscle training with Russian current together with conventional physical therapy during hospitalization improves the respiratory muscle strength of patients with COPD.

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