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Year : 2004  |  Volume : 38  |  Issue : 2  |  Page : 96-99

Thoracolumbar spine injuries-comparison of 4 different posterior spinal instrumentation systems

Central Institute of Orthopaedics, Safdarjang Hospital, New Delhi, India

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B N Pati
303, Sector III, RK Puram, New Delhi
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Source of Support: None, Conflict of Interest: None

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Background : Unstable spinal injuries require fixation to provide stability. Various modalities of fixation have been used. Methods : One hundred and forty seven patients of thoracolumbar spine fractures with neurological deficit were surgically treated using posterior approach. Four different types of posterior instrumentation were used to reduce the fractures and dislocation of thoracolumbar spine and achieve cord decompression - Harrington rod fixation in 55, Hartshill in 19, Steffee in 51 and newer pedicle screw rod systems in 22 patients. Results : The patients were followed up for minimum period of 2 years. Neurological improvement did not vary with type of instrumentation. Conclusion : Pedicle screw rod-systems are more versatile and technically superior than Harrington and Hartshill systems, in lieu of their ability to gain purchase in all the 3 columns and better reduction of thoraculumbar spine fractures and ability to maintain reduction at the end of 2 years.

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