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Kaveh Ebrahimzadeh Guive Sharifi Misagh Shafizad

Abstract

Background and Objective: Because of the scarceness and absence of hectic painful radiculopathic feature of L1-L2 disc, surgeons don’t usually pay enough clinical attention to them. Their main manifestation is severe axial pain or myeloradiculopathy failure attributed to conus or high cauda equine syndrome.

Material and method:  During 2006 to 2011, a total of 11 patients with  L1 L2 dysfunctions underwent a surgery. Their mean age was 56 years old and sex ratio of 6 male to 7 female. 4 of them had florid neurological deficit as paraparesis and sphincter  dysfunction. In other patients, radiculopathies and axial pain were dominant clinical manifestations.

Considering the conus position and the extent of canal compromise and disc consistency (presence of calcification) either anterior or posterior surgical approach followed by segmental fusions was used.

Result: 3 patients underwent thoracoabdominal and fusion surgery, while ten underwent a posterior transfacet pedicle sparing surgery combined with transforaminal lumbar interbody fusion (TLIF) surgery. In all patients, satisfactory outcomes were achieved; all radiculopathy and signs of conus dysfunction were improved except one case that showed sphincter dysfunction persistent post operation.  Axial pain was resolved and in follow-up assessments no kyphosis or axial pain were observed.

Discussion:  Due to the biomechanical traits of L1-L2 disc and its adjacency to thoracolumbar region as well as high degree of osteodiscal degeneration on its manifestation we propose TLIF and Posterior spinal fusion (PSF) surgical approaches after canal decompression to alleviate axial pain and also prevent later kyphosis. Furthermore, because of nearby conus and the risk of thecal sac retraction, the same strategy as thoracic disc was performed in this region considering reverence for conus if good results are to be achieved.

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How to Cite
EBRAHIMZADEH, Kaveh; SHARIFI, Guive; SHAFIZAD, Misagh. Surgical strategy for management of L1-L2 disc, based on unique differences with other lumbar levels. Journal of Injury and Violence Research, [S.l.], v. 4, n. 3, dec. 2012. ISSN 2008-4072. Available at: <http://jivresearch.org/jivr/index.php/jivr/article/view/422>. Date accessed: 13 dec. 2017.
Keywords
Surgical Strategy, L1-L2 Disc, Thoracoabdominal, Transforaminal Lumbar Interbody Fusion
Section
Poster Abstracts

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