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Posterior Cervical Laminectomy Results in Better Radiographic Decompression of Spinal Cord Compared with Anterior Cervical Discectomy and Fusion.

Abstract：

BACKGROUND:Cervical spondylitic myelopathy is a degenerative condition resulting from chronic spinal cord compression and a leading cause of nontraumatic spinal cord dysfunction. The chief surgical goal in the management of cervical spondylitic myelopathy is adequate spinal cord decompression with or without fusion to slow or prevent further neurologic decline. We conducted a radiographic analysis of canal parameters preoperatively and postoperatively for patients undergoing either anterior or posterior cervical decompression. METHODS:Preoperative and postoperative radiographic analysis was performed using midsagittal and axial magnetic resonance imaging at the level of the disc space for 37 patients who underwent anterior or posterior cervical decompression. Statistical comparisons between anterior and posterior groups were performed using independent t test and Mann-Whitney U test where appropriate. RESULTS:Both postoperative anteroposterior canal diameter and posterior cerebrospinal fluid (CSF) space were greater in patients undergoing posterior decompression (P = 0.011 and P < 0.001, respectively), although postoperative anterior CSF space was comparable between both groups. Both anterior and posterior approaches to decompression resulted in a statistically significant improvement in anteroposterior diameter, anterior CSF space, and posterior CSF space (P < 0.001). Posterior decompression yielded significantly greater change in anteroposterior diameter and posterior CSF space compared with the anterior approach (P < 0.001). CONCLUSIONS:In this quantitative radiographic study, we found that although both posterior cervical laminectomy and anterior cervical discectomy yielded significant decompression, laminectomy yielded a greater degree of decompression of the posterior CSF space.

journal_name

World Neurosurg

journal_title

World neurosurgery

authors

Piazza M,McShane BJ,Ramayya AG,Sullivan PZ,Ali ZS,Marcotte PJ,Welch WC,Ozturk AK

doi

10.1016/j.wneu.2017.11.017

subject

Has Abstract

pub_date

2018-02-01 00:00:00

pages

e362-e366

eissn

1878-8750

issn

1878-8769

pii

S1878-8750(17)31936-8

journal_volume

110

pub_type

杂志文章

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Posterior Cervical Laminectomy Results in Better Radiographic Decompression of Spinal Cord Compared with Anterior Cervical Discectomy and Fusion.