Spine
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Randomized Controlled Trial Multicenter Study
Results of the prospective, randomized, multicenter Food and Drug Administration investigational device exemption study of the ProDisc-L total disc replacement versus circumferential fusion for the treatment of 1-level degenerative disc disease.
A prospective, randomized, multicenter, Food and Drug Administration-regulated Investigational Device Exemption clinical trial. ⋯ ProDisc-L has been found to be safe and efficacious. In properly chosen patients, ProDisc-L has been shown to be superior to circumferential fusion by multiple clinical criteria.
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Randomized Controlled Trial
Erector spinae muscle changes on magnetic resonance imaging following lumbar surgery through a posterior approach.
Prospective randomized study of patients undergoing lumbar arthrodesis. ⋯ Erector spinae muscle alterations mainly occur distal to posterior lumbar surgical procedures.
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Randomized Controlled Trial Comparative Study
A comparison of two short education programs for improving low back pain-related disability in the elderly: a cluster randomized controlled trial.