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STUDY DESIGN Retrospective case series. OBJECTIVE To report the effect of repeated growing rod (GR) lengthenings on the sagittal and pelvic profile in patients with early-onset scoliosis. SUMMARY OF BACKGROUND DATA Posterior distraction-based GRs have gained popularity as a technique for the surgical management of early-onset scoliosis. However, there(More)
STUDY DESIGN Retrospective case series. OBJECTIVE To report the outcomes of distraction-based, growth-sparing spinal instrumentation in patients with skeletal dysplasia. SUMMARY OF BACKGROUND DATA Patients with skeletal dysplasia with spinal deformity often undergo early fusion, further compromising an already small chest. Nonfusion techniques may(More)
For years, bioengineers and orthopaedic surgeons have applied the principles of mechanics to gain valuable information about the complex function of the anterior cruciate ligament (ACL). The results of these investigations have provided scientific data for surgeons to improve methods of ACL reconstruction and postoperative rehabilitation. This review paper(More)
BACKGROUND Paraplegia or death secondary to upper cervical spine instability and spinal cord compression are known consequences of Morquio syndrome. Decompression and fusion of the upper cervical spine are indicated to treat spinal cord compression. The purpose of this study was to report the intermediate to long-term results of upper cervical spine fusion(More)
STUDY DESIGN Retrospective case series. OBJECTIVE To assess the perioperative morbidity of pedicle subtraction osteotomy (PSO) based on the presence of 1 versus 2 attending surgeons. BACKGROUND SUMMARY Pedicle subtraction osteotomies are challenging cases with high complication rates and substantial physiological burden on patients. The literature(More)
BACKGROUND An association between adolescent idiopathic scoliosis and osteopenia has been proposed to exist. It is still not clear whether there is such an association and if so, whether osteopenia is a causative factor or a consequence. Our previous pilot studies have suggested the presence of osteopenia in scoliotic animals. The aim of this study was to(More)
BACKGROUND Serial casting is an effective treatment modality in early-onset idiopathic scoliosis; however, the role of this method in congenital scoliosis is not well studied. METHODS A total of 11 patients with progressive congenital scoliosis were treated with serial cast application. Age at initial cast application, magnitudes of the congenital,(More)
STUDY DESIGN Retrospective case series. OBJECTIVE This study evaluated the incidence of postoperative neurological symptoms after a freehand pedicle screw insertion technique in idiopathic posterior scoliosis surgery. SUMMARY OF BACKGROUND DATA It is generally accepted that pedicle screws can be inserted by a freehand technique in the thoracic and(More)
PURPOSE OF REVIEW Spinal fusion procedures that are the mainstay of the treatment of progressive or severe curves in adolescents and adults are not suitable for most young children as there is a large magnitude of remaining growth. Early spinal fusion stunts the growth of the thorax and may interfere with the development of the lungs. Therefore, in children(More)
BACKGROUND The convex growth arrest (CGA) procedure has been well accepted for treatment of congenital scoliosis as it is a simpler procedure with successful results. However, unpredictability of curve behavior, slow and usually inadequate correction, and necessity of anterior surgery for completeness of the epiphysiodesis are its shortcomings. (More)