PMID: 20646659Jul 22, 2010Paper

Radiological evaluation of intervertebral angles on short-segment fusion of degenerative lumbar scoliosis

Zhonghua wai ke za zhi [Chinese journal of surgery]
Nai-guo WangBin Yu

Abstract

To analyze the radiological change of intervertebral angles after the short-segment fusion of degenerative lumbar scoliosis. From January 2001 to May 2007, 28 patients (mean age 62 years old) with degenerative lumbar scoliosis, including 6 male and 22 female, were reviewed retrospectively. The average vertebra number in the lumbar curve were 4.8, ranging from 3 to 6. All the patients underwent posterior decompressive laminotomy, pedicle screw fixation, and posterolateral fusion. The fusion levels were within the curve in all the cases (mean 3.3 vertebrae), without exceeding the end vertebrae. All the patients took standing lumbar antero-posterior and sagittal radiological images pre and post-surgery and upon follow up. The coronal scoliosis Cobb angle, anterior and sagittal intervertebral angles of upper adjacent segment of proximal fused vertebra were measured. The following aspects were also evaluated such as bone graft fusion and complications. Follow up period of 25-97 months, average 50 months; post-operative scoliosis Cobb angle average correction rate was 33.7%, final follow up average correction loss was 3.7 degrees , pre-operative and final follow up results compared with post-operative indicated significant difference...Continue Reading

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