Surgical management of lumbar degenerative spinal stenosis with spondylolisthesis via posterior reduction with minimal laminectomy [0.03%]
腰椎退变性脊柱狭窄伴滑脱的后路复位减压悬吊融合术治疗
Drew A Bednar
Drew A Bednar
Degenerative lumbar spondylolisthesis with spinal stenosis is commonly treated with laminectomy. Recent reports have consistently supported the incremental clinical benefit of associated in situ arthrodesis with or without instrumentation. ...
Evaluation of the fixation and strength of a "rescue" revision pedicle screw [0.03%]
评价“救援”翻修椎弓根钉的固定及力学强度效果
Scott A Klein,Steven D Glassman,John R Dimar nd et al.
Scott A Klein et al.
One potential complication of pedicle screw instrumentation is long-term nerve root irritation, most commonly resulting from medial or inferior screw malpositioning. This study evaluated the pullout strength and fatigue strength properties ...
Lumbar multilevel degenerative spondylolisthesis: radiological evaluation and factors related to anterolisthesis and retrolisthesis [0.03%]
腰椎多节段退变性滑脱的影像学评价及滑移方向的相关因素分析
Tetsuhiro Iguchi,Tomoaki Wakami,Akira Kurihara et al.
Tetsuhiro Iguchi et al.
Radiographs of 3,259 outpatients with low back disorders were examined for age, gender, level, direction, degree of slip, lumbar lordosis, pedicle-facet (P-F) angle, facet shape, and disc height. Degenerative lumbar spondylolisthesis was fo...
Rieko Kobayashi,Shinji Togashi,Takamura Nagasaka et al.
Rieko Kobayashi et al.
Intramedullary tuberculoma with syringomyelia is rare. We treated a woman with back pain and weakness of the left leg that had slowly progressed for more than 30 years. Radiologic evaluation demonstrated a crescent-shaped calcification at t...
Congenital anomaly of craniovertebral junction: atlas-dens fusion with C1 anterior arch cleft [0.03%]
颅椎联合处先天性异常：寰枢椎融合伴寰椎前弓裂隙畸形
José R Pérez-Vallina,Isolina Riaño-Galán,Angeles Cobo-Ruisánchez et al.
José R Pérez-Vallina et al.
A rare case of congenital atlantoaxial block is reported. A 13-year-old boy had a fusion of a non-separated odontoid process with the anterior arch of the atlas, in association with an anterior midline C1 arch cleft.
Progressive spinal lordosis after laminoplasty in a child with thoracic neuroblastoma [0.03%]
胸段神经母细胞瘤患儿接受椎板切除术后脊柱前凸进行性加重
Harish S Hosalkar,Stephan G Pill,Peter P Sun et al.
Harish S Hosalkar et al.
Laminoplasty has been advocated increasingly after spinal tumor excision in children. Results have shown that it offers the required decompression, while maintaining spinal stability and the integrity of the posterior vertebral elements. To...
Possible complications of anterior perforation of the vertebral body using cervical pedicle screws [0.03%]
颈椎椎弓根螺钉置入时前壁穿破的并发症及预防措施
Eldin E Karaikovic,Wicharn Yingsakmongkol,Harry J Griffiths et al.
Eldin E Karaikovic et al.
No previous studies have analyzed the possible complications of anterior perforation of the cervical vertebral body with pedicle screws. The objective of this study was to identify the possible implications of an anterior vertebral body per...
Does anterior plating maintain cervical lordosis versus conventional fusion techniques? A retrospective analysis of patients receiving single-level fusions [0.03%]
前路钢板维持颈椎生理曲度的情况与传统融合术对比：单节段融合病例的回顾性分析
Stephan J Troyanovich,Ann R Stroink,Keith A Kattner et al.
Stephan J Troyanovich et al.
A retrospective review of medical records and radiographs of patients receiving anterior cervical discectomy and fusion (ACDF) without anterior plating and with anterior plating was performed. The objective of the study was to determine whe...
Biomechanical evaluation of a double-threaded pedicle screw in elderly vertebrae [0.03%]
双线程椎弓根螺钉在老年椎骨中应用的生物力学评估
Praveen V Mummaneni,Sean M Haddock,Michael A K Liebschner et al.
Praveen V Mummaneni et al.
We sought to test the hypothesis that a pedicle screw that has two parallel threads of different heights throughout the full length of the screw could increase both bone purchase and pull-out strength compared with a standard single-threade...
A biomechanical comparison of posterolateral fusion and posterior fusion in the lumbar spine [0.03%]
腰椎后外侧融合与后融合的生物力学比较
Chen-Sheng Chen,Cheng-Kung Cheng,Chien-Lin Liu
Chen-Sheng Chen
Late postoperative complications occurred after posterior fusion and posterolateral fusion as a result of biomechanical alterations. The stress change between the two fusion procedures has not been well reported. To differentiate the biomec...