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KMID : 0388719940010020233
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Journal of Korean Society of Spine Surgery
1994 Volume.1 No. 2 p.233 ~ p.239
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Staged Posterior Instrumentation and Anterior Interbody Fusion in Adult Spondylolysis with Segmental Instability
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Abstract
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Most of patients with spondylolysis do not need surgical treatment. However, for patients who have persistent pain that is unresponsive to conservative measures, operative intervention seemed to be indicated. A recently developed technique for
the
surgical treatment of spondylolysis involves the direct repair of the spondylolytic defect with bone graft. Although many advantages these procedure. Some authors point out that the procedures should be limited to younger patients. Because in the
older
patient there is concomitant degenerative disc disease that is frequently present. This disc lesion is a possible source of persistent symptom after fusion of the spondylolytic defect. It seems that adults require a more reliable fixation.
This study examines the long-term follow up and satisfaction level of patients who underwent staged posterior instrumentation and anterior interbody fusion in attempt to analyze the effectiveness of this procedure.
This study includes twenty one patients who had spondylolysis with segmental instability underwent staged posterior instrumentation and anterior interbody fusion at Ewha University Hospital from 1989 to 1992. Average age was 39 years from the
range
of
31 to 60 years. The mean follow-up was 18 months from the range of 12 months to 5 years. The fusion rate was 86% and the clinical results were satisfactory in 81%. The most common complication was the donor site pain.
The data suggest that this strategy is safe and effective when performed in adult spondylolysis. It produces high fusion rates and satisfactory clinical results.
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KEYWORD
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