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Y a-t-il un effet des soins thermaux et des champs electromagnetiques pulses sur la cervicalgie chronique? Essai clinique randomise premiere partie: etude clinique (Are SPA therapy and pulsed electromagnetic field therapy effective for chronic neck pain? Randomised clinical trial. First part: clinical evaluation) [French]
Forestier R, Francon A, Saint-Arromand F, Bertolino C, Guillemot A, Graber-Duvernay B, Slikh M, Duplan B
Annales de Readaptation et de Medecine Physique 2007 Apr;50(3):140-147
clinical trial
8/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; 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*

OBJECTIVES: The purpose of this study was to compare SPA therapy (ST) with pulsed electromagnetic field (PEMF) therapy in chronic neck pain. MATERIALS AND METHODS: Inclusion criteria were age between 18 and 80 years, neck pain of more than 3 months' duration and pain score > 30 mm on a visual analog scale (VAS). Exclusion criteria were contraindication to ST or PEMF. The protocol was approved by the ethics committee of Grenoble Hospital. Randomisation to the ST (n = 44) and PEMF groups (n = 42) was blinded. The main outcome measure was number of improved patients at 6 months in each group. A patient was considered improved if pain score decreased by more than 20%. Secondary measures were score on the Copenhagen and MOS SF-36 scales. Evaluation and intent-to-treat analysis were also blinded. RESULTS: Patients' preferences were for PEMF. At 6 months, in the PEMF group, 33 patients were improved, 5 not improved and 4 lost to follow-up. In the ST group, 24 patients were improved, 14 not improved and 6 lost to follow-up, for significantly greater improvement in the PEMF than ST group (p = 0.02). Significant improvement was seen in both groups in terms of pain score, Copenhagen scale score and score on some dimensions of the MOS SF-36 survey. CONCLUSION: PEMF seems to be superior to standard ST without massage in control of neck pain. The difference between groups, although perhaps biased, seem to suggest the importance of our conclusions.

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