Spine
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This study is a retrospective review of the initial enrollment data from a prospective multicentered study of adult spinal deformity. ⋯ This study suggests that restoration of a more normal sagittal balance is the critical goal for any reconstructive spine surgery. The study suggests that magnitude of coronal deformity and extent of coronal correction are less critical parameters.
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Multicenter Study
Validity of the Spanish version of the Scoliosis Research Society-22 (SRS-22) Patient Questionnaire.
A cross-sectional multicenter study was performed to validate the Spanish version of the Scoliosis Research Society-22 (SRS-22) Patient Questionnaire. ⋯ The Spanish version of the SRS-22 is valid. It has a factorial structure similar to that of the original questionnaire. Moreover, it relates to known severity characteristics of the disease, distinguishes among scoliosis patient groups, and shows concordant values with another valid instrument for measuring self-perceived health.
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Randomized Controlled Trial Multicenter Study
Implementation of the Dutch low back pain guideline for general practitioners: a cluster randomized controlled trial.
Cluster randomized controlled trial for a multifaceted implementation strategy. ⋯ The multifaceted intervention strategy modestly improved implementation (for parts of the recommendations in) the Dutch low back pain guideline by general practitioners and produced small concomitant changes in patient management. The implementation strategy produced fewer referrals to therapists during follow-up consultations.