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STUDY DESIGN A prospective self-controlled study. OBJECTIVE The aim of the present study was to compare the application and clinical outcomes of transposterior arch lateral mass screw and lateral mass screw fixation of the atlas in the treatment of atlantoaxial instability. SUMMARY OF BACKGROUND DATA Atlas posterior screw fixation techniques comprise(More)
STUDY DESIGN A prospective controlled study. OBJECTIVE The aim of this study was to compare the safety and efficacy of the zero-profile device with that of an anterior cervical plate and cage in patients undergoing anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA A series of studies have indicated that anterior instruments(More)
PURPOSE Our aim was to investigate the causes of and treatment strategies for surgical complications of thoracic spinal stenosis. METHODS Between May 1990 and May 2010, 283 patients with thoracic spinal stenosis were treated in our department. Three physicians were assigned to patient follow-up. Patient medical records and radiographs were reviewed.(More)
OBJECTIVE To compare the clinical outcomes of posterior lumbar interbody fusion (PLIF) using simple cage alone fusion with pedicle screw fixation and autogenous bone grafting and cage fusion with pedicle screw fixation in adult spondylolisthesis. METHODS From March 2003 to March 2004, twenty-seven patients with lumbar spondylolisthesis were divided in two(More)
Few studies have specifically examined the efficacy of recombinant human bone morphogenetic protein-2 (rhBMP-2)/absorbable collagen sponge (ACS) in posterolateral lumbar spine fusion. The purpose of this study was to report the clinical outcomes in elderly patients treated with posterior C1-C2 fusion with iliac crest bone graft (ICBG) plus rhBMP-2/ACS vs(More)
STUDY DESIGN A randomized, controlled clinical trial. OBJECTIVE This randomized controlled clinical trial was aimed at comparing the clinical outcomes of combined posteroanterior (P-A) fusion and transforaminal thoracic interbody fusion (TTIF) in cases of thoracolumbar fracture-dislocation. SUMMARY OF BACKGROUND DATA The optimal treatment strategy for(More)
STUDY DESIGN A prospective study was performed. OBJECTIVE To test the hypothesis that different pedicle screw insertion positions would increase the likelihood of superior adjacent segment degeneration (ASD). SUMMARY OF BACKGROUND DATA Lumbar fusion surgery is a widely accepted treatment of lumbar diseases, such as lumbar stenosis, trauma, tumor, and(More)
STUDY DESIGN Case report and review of relevant literature. OBJECTIVE To discuss the surgical strategies and clinical outcome of managing huge tear drop fracture of axis. SUMMARY OF BACKGROUND DATA Teardrop fracture of axis is rarely seen, especially the huge type. The surgical technique is demanding because of the special anatomical structure and(More)
PURPOSE Disorders in occipitocervical region are difficult to treat. Complications often occur after fusion surgery and may be life-threatening in severe cases. This study is to investigate the causes and treatment strategies for the postoperative complications of occipitocervical fusion. METHODS Between May 1985 and May 2011, 316 patients with various(More)
OBJECTIVE The objective of this study was to explore the differences in clinical outcome between short-segment fixation (SSF; occiput-C2) and multi-segment fixation (MSF; occiput-C2, 3). METHODS From January 2008 to January 2012, patients who underwent surgery for instability at the occipitocervical junction were included in the study. Two different(More)