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| Disc extrusions and bulges in nonspecific low back pain and sciatica: exploratory randomised controlled trial comparing yoga therapy and normal medical treatment |
| Monro R, Bhardwaj AK, Gupta RK, Telles S, Allen B, Little P |
| Journal of Back and Musculoskeletal Rehabilitation 2015;28(2):383-392 |
| clinical trial |
| 6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; 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* |
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BACKGROUND: Previous trials of yoga therapy for nonspecific low back pain (nsLBP) (without sciatica) showed beneficial effects. OBJECTIVE: To test effects of yoga therapy on pain and disability associated with lumbar disc extrusions and bulges. METHODS: Parallel-group, randomised, controlled trial. Sixty-one adults from rural population, aged 20 to 45, with nsLBP or sciatica, and disc extrusions or bulges. Randomised to yoga (n = 30) and control (n = 31). Yoga: 3-month yoga course of group classes and home practice, designed to ensure safety for disc extrusions. Control: normal medical care. Outcome measures (3 to 4 months) primary: Roland Morris Disability Questionnaire (RMDQ); worst pain in past two weeks. Secondary: Aberdeen Low Back Pain Scale; straight leg raise test; structural changes. RESULTS: Disc projections per case ranged from one bulge or one extrusion to three bulges plus two extrusions. Sixty-two percent had sciatica. Intention-to-treat analysis of the RMDQ data, adjusted for age, sex and baseline RMDQ scores, gave a yoga group score 3.29 points lower than control group (0.98 to 5.61; p = 0.006) at 3 months. No other significant differences in the endpoints occurred. No adverse effects of yoga were reported. CONCLUSIONS: Yoga therapy can be safe and beneficial for patients with nsLBP or sciatica, accompanied by disc extrusions and bulges.
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