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The Comparison of Changes in the Dimensions of the Intervertebral Disc and Neural Foramen between Anterior Lumbar Interbody Fusion and Posterolateral Fusion in the Lumbar Spine

Other Title
전방 추체간 유합술과 후외방 유합술 후 추간판 및 추간공 변화에 대한 비교
Authors
전, 창훈; 김, 용찬; 장, 호근; 김, 영우; 정, 남수; 신, 동선
Citation
Taehan Ch'ŏkch'u Oekwa Hakhoe chi, 14(4):263-269, 2007
Journal Title
Taehan Ch'ŏkch'u Oekwa Hakhoe chi; Journal of Korean Society of Spine Surgery; 대한척추외과학회지
ISSN
1229-5701
Abstract
Study Design: A prospective radiologic assessment.



Objectives: To compare the changes of dimensions of the intervertebral disc and neural foramen between the anterior lumbar interbody fusion and the posterolateral fusion in the lumbar spine.

Summary of Literature Review: There are few reports comparing an anterior lumbar interbody fusion with pedicle screw fixation and a posterolateral fusion with pedicle screw fixation.



Materials and Methods: We studied 62 patients with degenerative lumbar diseases who underwent minimal anterior lumbar interbody fusion with pedicle screw fixation (group I, 40 patients) or who underwent posterolateral fusion with pedicle screw fixation (group II, 22 patients). We measured the height of disc and the height, width, and area of the neural foramen measured in 1-mm reconstructive sagittal images of computed tomography before and 6 months after the operation. The factors were independently measured by three different observers.



Results: Disc height was increased by a mean of 39.1±3.28% in group I and 3.1±2.99% in group II. The height of the neural foramen was increased by a mean of 18.7±4.21% in I and 1.0±2.34% in II. The area of neural foramen was increased by a mean of 21.5±3.50% in I and -2.1±4.39% in II, with significant differences between groups in all parameters.



Conclusion: The minimal anterior lumbar interbody fusion with pedicle screw fixation was superior to posterolateral fusion with pedicle screw fixation for increasing disc height and the height and area of neural foramen.
Keywords
Neural foramenDegenerative lumbar diseaseAnterior interbody fusionPosterolateral fusionPedicle screw fixation
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
AJOU Authors
전, 창훈
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