• Jian-hua Hu, Chia I Lee, Xin-yu Yang, and Gui-xing Qiu.
• Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.
• Zhonghua Yi Xue Za Zhi. 2008 Jun 3;88(21):1454-7.

ObjectiveTo evaluate the orthopedic effects of internal fixation of cervical pedicle screw on cervical spondylotic myelopathy with cervical kyphosis.MethodsSeventeen patients with cervical spondylotic myelopathy with cervical kyphosis with the Cobb's angle >10 degrees underwent internal fixation of cervical pedicle screw. The patients were followed up for 13. 8 months. The Cobb's angle of cervical kyphosis was measured before operation, one week after-operation, and upon the final follow up. The neural function and cervical spine stability were evaluated using Japanese Orthopedic Association (JOA) scoring system.ResultsThe average preoperative Cobb's angle of cervical kyphosis was -16.1 degrees before operation, was -3.3 degrees one week after operation, and was -3.8 degrees at the final follow-up. Follow-up 6 months after operation and at the final follow up showed that the fused segments were stable. The JOA score improved by 5.2 +/- 1.6 (P < 0.05) with a mean JOA score improvement rate of 64. 3%. No neurovascular and instrumentation-related complications occurred.ConclusionInternal fixation of cervical pedicle screw is effective and safe in treatment of cervical spondylotic myelopathy with cervical kyphosis.

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