Kyphotic malalignment after anterior cervical fusion is one of the factors promoting the degenerative process in adjacent intervertebral levels

The aim of this study was to determine whether postoperative malalignment of the cervical spine after anterior interbody fusion surgery promotes degenerative changes in the neighboring intervertebral discs. Forty-two patients who underwent anterior interbody fusion surgery for cervical spondylosis a...

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Bibliographic Details
Published in:European spine journal 2001-08, Vol.10 (4), p.320-324
Main Authors: Katsuura, A, Hukuda, S, Saruhashi, Y, Mori, K
Format: Article
Language:English
Subjects:
Cervical Vertebrae - surgery
Female
Follow-Up Studies
Humans
Intervertebral Disc Displacement - diagnostic imaging
Intervertebral Disc Displacement - etiology
Intervertebral Disc Displacement - surgery
Kyphosis - diagnostic imaging
Kyphosis - etiology
Male
Middle Aged
Original
Postoperative Complications - diagnostic imaging
Radiography
Retrospective Studies
Spinal Fusion
Spinal Osteophytosis - diagnostic imaging
Spinal Osteophytosis - surgery
Time Factors
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Summary:The aim of this study was to determine whether postoperative malalignment of the cervical spine after anterior interbody fusion surgery promotes degenerative changes in the neighboring intervertebral discs. Forty-two patients who underwent anterior interbody fusion surgery for cervical spondylosis and disc herniation (34 men, 8 women) were followed for an average of 9.8 years. The average age at surgery was 50.2 years. Twenty-three patients underwent a single-level fusion, 17 underwent two-level fusion, and 2 had three levels fused. The Japanese Orthopaedic Association cervical myelopathy score, with a normal score 17 points, was 11.7 before surgery and 14.9 at follow-up. Neurological status was significantly improved postoperatively, and the improvement was preserved thereafter in most cases (paired t-test, P
ISSN:0940-6719
1432-0932
DOI:10.1007/s005860000243