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STUDY DESIGN AND OBJECTIVE This study performs a meta-analysis to compare complication rates from vertebroplasty (VP) and kyphoplasty (KP). SUMMARY OF BACKGROUND DATA Recently, the development of VP and balloon KP has been shown to provide symptomatic relief and restoration of sagittal alignment of vertebral compression fractures refractory to medical(More)
BACKGROUND Despite numerous surgical techniques described, there have been few studies evaluating the biomechanical performance of acromioclavicular joint reconstructions. PURPOSE To compare a newly developed anatomical coracoclavicular ligament reconstruction with a modified Weaver-Dunn procedure and a recently described arthroscopic method using(More)
STUDY DESIGN A cadaveric biomechanical study. OBJECTIVE To investigate the biomechanical behavior of the cervical spine after cervical total disc replacement (TDR) adjacent to a fusion as compared to a two-level fusion. SUMMARY OF BACKGROUND DATA There are concerns regarding the biomechanical effects of cervical fusion on the mobile motion segments.(More)
STUDY DESIGN Two-year prospective multicenter clinical trial. OBJECTIVE To determine the safety and efficacy of the anterior I/F Cage in the primary treatment of single-level degenerative disc disease. SUMMARY OF BACKGROUND DATA A carbon fiber-reinforced polymer cage was designed to replace the traditional allograft/autograft structural graft used in an(More)
The aim of the prospective, comparative radiographic analysis was to determine the role of the fulcrum-bending radiograph (FBR) for the assessment of the proximal thoracic (PT), main thoracic (MT), and the thoracolumbar/lumbar (TL/L) curves in patients undergoing posterior spinal pedicle screw fixation and fusion for adolescent idiopathic scoliosis (AIS).(More)
STUDY DESIGN Prospective randomized controlled animal model. OBJECTIVE The purpose of this study is to determine whether the readministration of human recombinant bone morphogenetic protein-2 (rhBMP-2) induces an immune response and inhibits successful fusion in repeat posterolateral spinal surgery. SUMMARY OF BACKGROUND DATA Little research has been(More)
The acromioclavicular joint is stabilized by the coracoclavicular and acromioclavicular ligaments and by the trapezius and deltoid muscles. Joint dislocation commonly results from a direct blow to the acromion. Injury types I through III are generally treated nonoperatively, whereas types IV through VI are treated operatively. Nonoperative protocols should(More)
Reports of ulnar nerve injury as a result of elbow arthroscopy are rare in the literature. We report a case of ulnar nerve injury following arthroscopic debridement and retrograde drilling of the capitulum in a patient with symptomatic osteochondritis dissecans. The standard location of proximal medial portal placement is 2 cm proximal to the medial(More)
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