Thirteen patients with fractures and/or dislocations of the middle and lower cervical spine were treated by transpedicular screw fixation using the Steffee variable screw placement system. Postoperative immobilization was either not used or simplified to short-term use of a soft neck collar. Recovery of nerve function and correction of kyphotic and/or translational deformities were satisfactory. All patients had solid fusion without loss of correction at the latest follow-up. There were no neurovascular complications. It was concluded that transpedicular screw fixation is as strong a fixation procedure for the cervical spine as it is for the thoracic and lumbar spine. This surgical procedure is associated with some risks of major neurovascular injuries; however, safety is adequate if the procedure is performed by experienced surgeons using meticulous surgical techniques.
Address correspondence and reprint requests to Dr. Kuniyoshi Abumi, Department of Orthopaedic surgery, Hokkaido University School of Medicine, N-15 W-6, Kitaku, Sapporo 060, Japan.
This work was presented in part at the 66th Annual Meeting of Japan Orthopaedic Association, Fukuoka, Japan, April 16-20, 1992.
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