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The goal of surgical treatment for adolescent idiopathic scoliosis (AIS) is to achieve a solid fusion in a balanced spine. While many previous studies analyzed coronal balance, there is a paucity of studies that comment on postoperative trunk shift, which has shown to have impact on clinical outcome. The purpose of this retrospective, multicenter data(More)
BACKGROUND Scoliosis is a three-dimensional deviation of the spinal axis. The main diagnostic criterion is spinal curvature exceeding 10° on a plain anteroposterior X-ray image. Scoliosis is called idiopathic when no other underlying disease can be identified. METHODS Selective literature review and recommendations of the relevant medical societies in(More)
Posterior sternoclavicular dislocations are a rare injury, representing <5% of all sternoclavicular dislocations and 1 in 1600 shoulder girdle injuries. Proper imaging with computed tomography and prompt diagnosis are essential steps in preventing potentially lethal complications observed in approximately 3% of all posterior sternoclavicular dislocations.(More)
Early functional rehabilitation after surgical tendon repair facilitates the healing process and leads to improved joint function. There is a paucity of studies commenting on rehabilitation after surgical repair of ruptured quadriceps tendons, and most surgeons prefer a prolonged period of immobilization and protected weight bearing. The purpose of the(More)
Iatrogenic flattening of lumbar lordosis in patients with adolescent idiopathic scoliosis (AIS) was a major downside of first generation instrumentation. Current instrumentation systems allow a three-dimensional scoliosis correction, but flattening of lumbar lordosis remains a significant problem which is associated with decreased health-related quality of(More)
BACKGROUND CONTEXT Thoracic pedicle screw (TPS) constructs have improved curve correction measurements compared with hook and hybrid constructs in the treatment of adolescent idiopathic scoliosis (AIS), but the optimal implant density, or the number of screws per level, remains unknown in the treatment of flexible thoracic curves. PURPOSE To determine how(More)
Quadriceps tendon ruptures are uncommon injuries. Degenerative changes in the tendon are felt to be an important precondition for rupture. We retrospectively reviewed 45 quadriceps tendon ruptures in 42 patients. Quadriceps tendon ruptures occurred most often in the sixth and seventh decade of life. Men were affected six times as often as women. A tissue(More)
STUDY DESIGN Systematic review of literature. OBJECTIVE To perform a comprehensive English language systematic literature review of proximal junctional kyphosis (PJK) and proximal junctional failure (PJF), concentrating on incidence, risk factors, health related quality of life impact, prevention strategy, and classification systems. SUMMARY OF(More)
OBJECTIVES The purpose of this study was to determine if immediate full weightbearing after surgical treatment for periprosthetic femur fractures can decrease perioperative and total mortality. DESIGN Retrospective review. SETTING Level II trauma center. PATIENTS Fifty-two consecutive patients with a periprosthetic femur fracture during a 16-year time(More)