Spine
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Comparative Study
Does ScoliScore provide more information than traditional clinical estimates of curve progression?
Retrospective study comparing ScoliScore and clinical risk estimates. ⋯ Only Cobb angle showed significant correlation with ScoliScore among the socioclinical variables studied. The risk distribution of the 2 risk estimation systems examined differed markedly: ScoliScore predicted nearly 16 times more low-risk patients and more than 5 times fewer high-risk patients. This demonstrates that ScoliScore provides unique information to traditional predictors of curve progression, advancing our understanding of the role of ScoliScore in the clinical setting.
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An international, multicenter, prospective, postmarketing clinical registry to record the accuracy of pedicle screw placement, using the O-arm Complete Multidimensional Surgical Imaging System with StealthStation Navigation. ⋯ The use of the O-arm in combination with a navigation system increases the accuracy of pedicle screw placement. The accuracy of the surgeon's perception and the need to limit the radiation dose for the patient justify an additional CT scan only after careful assessment of the potential additional value.
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Randomized Controlled Trial Multicenter Study Comparative Study
Adjacent level degeneration and facet arthropathy after disc prosthesis surgery or rehabilitation in patients with chronic low back pain and degenerative disc: second report of a randomized study.
Randomized clinical trial with 2-year follow-up. ⋯ In this first study that compared the courses of degeneration after treatment with disc prosthesis surgery or rehabilitation, ALD was observed at similar frequencies at the 2-year follow-up. However, the surgery group had increased FA at the implant level.
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Randomized Controlled Trial Comparative Study
Specific trunk and general exercise elicit similar changes in anticipatory postural adjustments in patients with chronic low back pain: a randomized controlled trial.
A randomized controlled trial. ⋯ SEG elicited significant reductions in self-rated disability and pain, whereas similar between-group changes in trunk muscle onsets were observed. The motor control adaptation seems to reflect a strategy of improved coordination between the trunk muscles with the unilateral shoulder movement. Trunk muscle onsets during rapid limb movement do not seem to be a valid mechanism of action for specific trunk exercise rehabilitation programs.
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Multicenter Study
Radiographical risk factors for major intraoperative blood loss during laminoplasty in patients with ossification of the posterior longitudinal ligament.
A retrospective multi-institutional study. ⋯ Laminoplasty for OPLL is associated with a risk of major intraoperative blood loss, which can potentially give rise to devastating postoperative complications. An occupying ratio of 60% or greater is a risk factor for major blood loss during laminoplasty in patients with OPLL.