A systematic review of definitions for neurological complications and disease progression in patients treated surgically for degenerative cervical myelopathy

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dc.contributor.author Tetreault, Lindsay
dc.contributor.author Lange, Stefan F.
dc.contributor.author Chotai, Silky
dc.contributor.author Kryshtalskyj, Michael T.
dc.contributor.author Martin, Allan R.
dc.contributor.author Ahuja, Christopher S.
dc.contributor.author Wilson, Jefferson R.
dc.contributor.author Davies, Benjamin M.
dc.contributor.author Nouri, Aria
dc.contributor.author Devin, Clinton
dc.contributor.author Fehlings, Michael G.
dc.date.accessioned 2019-07-11T11:26:44Z
dc.date.available 2019-07-11T11:26:44Z
dc.date.issued 2019-06-27
dc.identifier.citation Tetreault, L., Lange, S. F., Chotai, S., Kryshtalskyj, M. T., Martin, A. R., Ahuja, C. S., Wilson, J. R., Davies, B. M., Nouri, A., Devin, C. and Fehlings, M. G. (2019) ‘A systematic review of definitions for neurological complications and disease progression in patients treated surgically for degenerative cervical myelopathy’, Spine. doi: 10.1097/BRS.0000000000003066 en
dc.identifier.issn 0362-2436
dc.identifier.uri http://hdl.handle.net/10468/8140
dc.identifier.doi 10.1097/BRS.0000000000003066 en
dc.description.abstract Mini Surgical decompression for degenerative cervical myelopathy can improve functional impairment, disability and quality of life. Surgery, however, is associated with complications, including C5 palsy, new radiculopathy and intraoperative spinal cord injury. There is a pressing need to develop standardized definitions of these complications in order to accurately evaluate surgical safety. Study Design: Systematic Review. Objective: This review aims to (1) outline how neurological complications and disease progression are defined in the literature and (2) evaluate the quality of definitions using a novel four-point rating system. Summary of Background Data: Degenerative cervical myelopathy (DCM) is a progressive, degenerative spine disease that is often treated surgically. Although uncommon, surgical decompression can be associated with neurological complications, such as C5 nerve root palsy, perioperative worsening of myelopathy and longer-term deterioration. Unfortunately, important questions surrounding these complications cannot be fully addressed due to the heterogeneity in definitions used across studies. Given this variability, there is a pressing need to develop guidelines in the reporting of surgical complications in order to accurately evaluate the safety of surgical procedures. Methods: An electronic database search was conducted in MEDLINE, MEDLINE in Process, EMBASE and Cochrane Central Register of Controlled Trials for studies that reported on complications related to DCM surgery and included at least 10 surgically treated patients. Data extracted included study design, surgical details, and definitions and rates of surgical complications. A four-point rating scale was developed to assess definition quality for each complication. Results: Our search yielded 2,673 unique citations, 42 of which met eligibility criteria and were summarized in this review. Defined complications included neurological deterioration, late onset deterioration, perioperative worsening of myelopathy, C5 palsy, nerve root or upper limb palsy or radiculopathy, surgery failure, inadequate decompression and progression of ossified lesions. Reported rates of these complications varied substantially, especially those for neurological deterioration (0.2% to 33.3%) and progression of ossified lesions (0.0% to 86.7%). Conclusions: Reported incidences of various complications vary widely in DCM surgery, especially for neurological deterioration and progression of ossified lesions. This summary serves as a first step for standardizing definitions and developing guidelines for accurately reporting surgical complications. Level of Evidence: 2 en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Wolters Kluwer Health, Inc. en
dc.rights © 2019, Wolters Kluwer Health, Inc. All rights reserved. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Spine. To access the final edited and published work see: https://doi.org/10.1097/BRS.0000000000003066 en
dc.subject Degenerative cervical myelopathy en
dc.subject Ossification of the posterior longitudinal ligament en
dc.subject Cervical spondylotic myelopathy en
dc.subject Complications en
dc.subject C5 palsy en
dc.subject Radiculopathy en
dc.subject Spinal cord injury en
dc.subject Manual muscle test en
dc.subject Neurological deterioration en
dc.subject Inadequate decompression en
dc.subject Surgery failure en
dc.subject Progression of ossified lesions en
dc.title A systematic review of definitions for neurological complications and disease progression in patients treated surgically for degenerative cervical myelopathy en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Lindsay A. Tetreault, Medicine, University College Cork, Cork, Ireland. T: +353-21-490-3000 en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2020-06-27
dc.description.version Accepted Version en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Spine en
dc.internal.bibliocheck In press. Check vol / issue / page range. Amend citation as necessary. en
dc.identifier.eissn 1528-1159


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