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A New Indicator Predicting the Degree of Cord Shift After Posterior Decompression of Cervical Ossification of the Posterior Longitudinal Ligament Extended to the C2 Level and Its Clinical Usefulness

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Abstract
-------------------e-pub(22.1.12)--------------
2020 Oct 16.
doi: 10.5137/1019-5149.JTN.31668-20.1. Online ahead of print

AIM: To evaluate the usefulness of the rostral line (R-line) as a new index for determining the degree of C2 lamina decompression
in the context of ossification of the posterior longitudinal ligament (OPLL) extending to the C2 level.
MATERIAL and METHODS: The R-line was devised based on the mechanism by which the cord is shifted backward following
cervical posterior decompression. According to their R-line status, 36 patients with cervical OPLL extending to the C2 level were
divided into two groups of R-line (+) and R-line (?) cases, where the R-line touched the upper half of the posterior C2 lamina in the
R-line (+) group and the inferior half of the posterior C2 lamina in the R-line (?) group, respectively.
RESULTS: Eighteen patients were classified as R-line (+) and 18 patients were classified as R-line (?). Total laminectomy of the C2
lamina was more common in the R-line (+) group, while dome-shape C2 laminectomy was more common in the R-line (?) group.
All patients requiring reoperation were included in the R-line (+) group. Only the operation type showed a statistically significant
difference according to the need for reoperation in the R-line (+) group; specifically, all patients who underwent reoperation in the
R-line (+) group had dome-shape C2 laminectomy. It was determined that the risk factor for reoperation in the R-line (+) group was
a history of dome-shape C2 laminectomy.
CONCLUSION: If the R-line touches the upper half of the posterior C2 lamina, total decompression of the C2 lamina should be
performed.
Author(s)
이병주이수범전상용노성우박진훈
Issued Date
2021
Type
Article
Keyword
Cervical Vertebrae / diagnostic imagingCervical Vertebrae / surgeryDecompressionSurgicalHumansLaminectomyLongitudinalLigaments* / diagnostic imagingLongitudinal Ligaments* /surgeryOssification of Posterior Longitudinal Ligament* / diagnostic imagingOssification of Posterior Longitudinal Ligament* / surgeryOsteogenesisRetrospective StudiesTreatment Outcome
DOI
10.5137/1019-5149.JTN.31668-20.1
URI
https://oak.ulsan.ac.kr/handle/2021.oak/8023
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_pubmed_primary_33624283&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,A%20New%20Indicator%20Predicting%20the%20Degree%20of%20Cord%20Shift%20After%20Posterior%20Decompression%20of%20Cervical%20Ossification%20of%20the%20Posterior%20Longitudinal%20Ligament%20Extended%20to%20the%20C2%20Level%20and%20Its%20Clinical%20Usefulness&offset=0&pcAvailability=true
Publisher
Turkish Neurosurgery
Location
터키
Language
한국어
ISSN
1019-5149
Citation Volume
10
Citation Number
5137
Citation Start Page
1019
Citation End Page
5149
Appears in Collections:
Medicine > Medicine
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