Chinese Journal of Tissue Engineering Research ›› 2010, Vol. 14 ›› Issue (13): 2433-2436.doi: 10.3969/j.issn.1673-8225.2010.13.038

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Evaluating the clinical efficacy of short-segment pedicle screws fixation for single segmental thoracolumbar fracture in 27 cases 

Wu Huai-bao1, Liu Zhi-fu2, Wu Ye3   

  1. 1 Department of Orthopaedics, Hongan People’s Hospital, Hongan  438400, Hubei Province, China; 2 Department of Trauma Surgery, Yan’an People’s Hospital, Yan’an  716000, Shaanxi Province, China; 3 First Department of Orthopaedics, First Affiliated Hospital of General Hospital of Chinese PLA, Beijing  4384008, China
  • Online:2010-03-26 Published:2010-03-26
  • Contact: Wu Ye, Doctor, Associate chief physician, First Department of Orthopaedics, First Affiliated Hospital of General Hospital of Chinese PLA, Beijing 4384008, China wuyespine@126.com
  • About author:Wu Huai-bao, Associate chief physician, Department of Orthopaedics, Hongan People’s Hospital, Hongan 438400, Hubei Province, China
  • Supported by:

    the Science and Technology Research and Development Program of the Military Eleventh Five-Year Plan, No. 06G114*

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Abstract:

BACKGROUND: Considerable debate exists whether long- or short-segment pedicle screws fixation is profitable for single segmental thoracolumbar fracture patients. 
OBJECTIVE: To evaluate the clinical efficacy of segment pedicle screws fixation for single segmental thoracolumbar fracture.
METHODS: Totally 27 patients suffered from single thoracolumbar fracture from June 2005 to June 2008 were selected, and the fracture vertebral was between T11 and L2. All patients were divided into 2 groups according to young or older. Young group comprised 12 cases, with mean follow up time of 28.7 months. Elder group consisted of 15 cases, with mean follow up time of 31.4 months. Pedicle screws were inserted in the pedicles of above and lower adjacent vertebral body of injured vertebral body. The operation time, volume of loss blood, complications, the compression vertebral height and kyphosis angle of the fracture vertebral prior to, 1 month and 1 year after fixation were compared between 2 groups. 
RESULTS AND CONCLUSION: The kyphosis angles of all patients were obvious corrected, and the compression vertebral height was notably recovered after treatment. At 1 year of follow up, kyphosis angle was some loss in patients using short-segments pedicle screw fixation in two groups, but the difference had no significance (P > 0.05). There was some loss of kyphosis correction rate in patients received long- or short-segments pedicle screw fixation in the young group, and the difference had no significance (P > 0.05). In addition, in the elder group, compared with patients received short-segments pedicle screw fixation, the loss of kyphosis correction rate was smaller in patients received long-segment pedicle screw fixation (P < 0.05). All results suggested that it is better clinical efficacy of short-segments pedicle screws instrument for treating young thoracolumbar fracture, and long-segments pedicle screws are suitable for elder patients.

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