| The value of intraoperative ultrasound in oblique corpectomy for cervical spondylotic myelopathy and ossified posterior longitudinal ligament. | |
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MedLine Citation:
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PMID: 20707681 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Intraoperative ultrasound (IOUS) has been described to be useful during central corpectomy for compressive cervical myelopathy. This study aimed at documenting the utility of IOUS in oblique cervical corpectomy (OCC). Prospective data from 24 patients undergoing OCC for cervical spondylotic myelopathy and ossified posterior longitudinal ligament (OPLL) were collected. Patients had a preoperative cervical spine magnetic resonance (MR) image, IOUS and a postoperative cervical CT scan. Retrospective data from 16 historical controls that underwent OCC without IOUS were analysed to compare the incidence of residual compression between the two groups. IOUS identified the vertebral artery in all cases, detected residual cord compression in six (27%) and missed compression in two cases (9%). In another two cases with OPLL, IOUS was sub-optimal due to shadowing. IOUS measurement of the corpectomy width correlated well with these measurements on the postoperative CT. The extent of cord expansion noted on IOUS after decompression showed no correlation with immediate or 6-month postoperative neurological recovery. No significant difference in residual compression was noted in the retrospective and prospective groups of the study. Craniocaudal spinal cord motion was noted after the completion of the corpectomy. IOUS is an inexpensive and simple real-time imaging modality that may be used during OCC for cervical spondylotic myelopathy. It is helpful in identifying the vertebral artery and determining the trajectory of approach, however, it has limited utility in patients with OPLL due to artifacts from residual ossification. |
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Authors:
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Vinu Moses; Roy Thomas Daniel; Ari George Chacko |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: British journal of neurosurgery Volume: 24 ISSN: 1360-046X ISO Abbreviation: Br J Neurosurg Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-09-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8800054 Medline TA: Br J Neurosurg Country: England |
Other Details:
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Languages: eng Pagination: 518-25 Citation Subset: IM |
Affiliation:
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Department of Radiology, Christian Medical College, Vellore - 632004, Tamil Nadu, India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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