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| Is neuromuscular electrical stimulation effective for improving pain, function and activities of daily living of knee osteoarthritis patients? A randomized clinical trial |
| Imoto AM, Peccin MS, de Paiva Teixeira LEP, da Silva KNG, Abrahao M, Trevisani VFM |
| Revista Paulista de Medicina [Sao Paulo Medical Journal] 2013;131(2):80-87 |
| clinical trial |
| 7/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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CONTEXT AND OBJECTIVE: Neuromuscular electrical stimulation (NMES) has been used in rehabilitation protocols for patients suffering from muscle weakness resulting from knee osteoarthritis. The purpose of the present study was to assess the effectiveness of an eight-week treatment program of NMES combined with exercises, for improving pain and function among patients with knee osteoarthritis. DESIGN AND SETTING: Randomized clinical trial at Interlagos Specialty Ambulatory Clinic, Sao Paulo, Brazil. METHODS: One hundred were randomized into two groups: NMES group and control group. The following evaluation measurements were used: numerical pain scale from 0 to 10, timed up and go (TUG) test, Lequesne index and activities of daily living (ADL) scale. RESULTS: Eighty-two patients completed the study. From intention-to-treat (ITT) analysis comparing the groups, the NMES group showed a statistically significant improvement in relation to the control group, regarding pain intensity (difference between means: 1.67 (0.31 to 3.02); p = 0.01), Lequesne index (difference between means: 1.98 (0.15 to 3.79); p = 0.03) and ADL scale (difference between means: -11.23 (-19.88 to -2.57); p = 0.01). CONCLUSION: NMES, within a rehabilitation protocol for patients with knee osteoarthritis, is effective for improving pain, function and activities of daily living, in comparison with a group that received an orientation program. CLINICAL TRIAL REGISTRATION: ACTRN012607000357459.
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