U-shape titanium screw-rod fixation system with bone grafting for the treatment of pure lumbar spondylolysis

doi:10.3969/j.issn.2095-4344.0794

Abstract

Abstract:

BACKGROUND: When conservative treatment of pure lumbar spondylolysis is ineffective, segmental fixation and bone grafting is a commonly used method. However, surgical methods are various, and have some controversies.

OBJECTIVE: To investigate the effectiveness of U-shape titanium screw-rod fixation system with bone grafting for pure lumbar spondylolysis.

METHODS: Data from 15 patients with pure lumbar spondylolysis or without mild spondylolisthesis, who were treated with U-shape titanium screw-rod fixation system and bone grafting in the Department of Orthopedics of Jinan Military General Hospital from May 2012 to May 2016, were retrospectively reviewed. Operation time, intraoperative blood loss and postoperative drainage were observed. The lumbar spine X-ray, CT, Visual Analogue Scale and Oswestry Disability Index were compared before operation, 3, 6 and 12 months after operation.

RESULTS AND CONCLUSION: (1) The operation time was (115.0±18.8) minutes, the intraoperative blood loss was (280.0±84.3) mL, and the postoperative drainage was (61.0±19.6) mL. (2) By Visual Analogue Scale and Oswestry Disability Index during following-up, pain symptoms and function were significantly improved (P < 0.05). (3) No secondary spondylolisthesis, adjacent vertebral degeneration, internal fixation fracture, loosening, infection or nerve injury occurred during the follow-up. (4) All patients had bony union. The healing time range was 6-12 months, with an average of 8.2 months. (5) In summary, U-shape titanium screw-rod fixation system with bone grafting is a good choice for the treatment of pure lumbar spondylolysis.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Lumbar Vertebrae, Spondylolysis, Internal Fixators, Tissue Engineering

CLC Number:

R318

Sun Lu-kun, Xu Chun-tao, Liu Hua, Yan Bing-xiang, Yue Han-yu, Wang Ping-shan. U-shape titanium screw-rod fixation system with bone grafting for the treatment of pure lumbar spondylolysis[J]. Chinese Journal of Tissue Engineering Research, 2018, 22(15): 2340-2344.

Figures/Tables 1

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