J Korean Neurosurg Soc.
1992 Apr;21(4):405-411.
Follow-up Lumbar Spondylolisthesis after Pedicle Screw Fixation
- Affiliations
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- 1Department of Neurosurgery, College of Medicine, Yeungnam University, Taegu, Korea.
Abstract
- Sixty five patients of lumbar spondylolisthesis were treated with pedicle screw fixation during last 3-years. Roy-Camille plate system has been used in 17 patients, steffee system in 41 and Puno/Winter/Byrd(PWB) system in 7. We analysed the changes of symptoms and radiological findings during follow-up observation(average 15 months). After surgery the average time for low back pain reduction was 7 months, Twenty patients(3%) complained a graft donor site pain initially, but almost except one were alleviated after 7.3 months later on an average. Radiologically the reducton degree of the displacement was from 24% on preoperative state to 12% on last follow-up and pseudoarthrosis rate was 8%. Surgical result was evaluated by our score rating system, according to that system 64.5% of the patients had satisfactory result.
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