NDLI: Relationship between developmental canal stenosis and surgical results of anterior decompression and fusion in patients with cervical spondylotic myelopathy

Content Provider	Springer Nature : BioMed Central
Author	Zhang, Jing Tao Wang, Lin Feng Liu, Yue Ju Cao, Jun Ming Li, Jie Wang, Shuai Shen, Yong
Abstract	Background Anterior cervical decompression and fusion (ACDF) has long been the preferred treatment for cervical spondylotic myelopathy (CSM). However, few studies have focused on surgical results of CSM in patients with developmental canal stenosis (DCS). The purpose of this study was to investigate DCS as a comorbidity in patients with CSM and the correlation between surgical results and DCS. Methods From January 1995 to December 2005, 122 patients treated with ACDF for CSM were enrolled in this retrospective study. Pavlov’s ratio was used to evaluate cervical spinal canal size, with a value of < 0.82 at least one level indicating DCS. Patients were divided into two groups: those with DCS preoperatively (DCS group, n = 50 [41.0 %]) and those without DCS (non-DCS group, n = 72). Clinical data and radiological parameters were compared between groups. Results There were no significant differences in preoperative and 2-year follow-up Japanese Orthopedic Association scores between groups. Both groups achieved satisfactory fusion rates (DCS, 92.0 %; non-DCS, 93.0 %). Adjacent-segment degeneration (ASD) was detected in 66.0 % of patients in the DCS group and in 43.0 % of patients in the non-DCS group (p = 0.01). However, there was no significant difference in the incidence of ASD requiring surgery between groups (p = 0.20). Discussion DCS is a common comorbidity in patients with CSM. The findings of this study have added knowledge on the correlation between DCS and ASD after anterior fusion surgery. Conclusions DCS did not affect neurologic improvement postoperatively at short-term follow-up. Although DCS increased the incidence of ASD after anterior fusion, it did not predict ASD requiring surgery. Therefore, patients with DCS must receive close follow-up.
Related Links	https://bmcmusculoskeletdisord.biomedcentral.com/counter/pdf/10.1186/s12891-015-0728-6.pdf
Ending Page	6
Page Count	6
Starting Page	1
File Format	HTM / HTML
ISSN	14712474
DOI	10.1186/s12891-015-0728-6
Journal	BMC Musculoskeletal Disorders
Issue Number	1
Volume Number	16
Language	English
Publisher	BioMed Central
Publisher Date	2015-09-28
Access Restriction	Open
Subject Keyword	Orthopedics Rehabilitation Rheumatology Sports Medicine Internal Medicine Epidemiology Anterior decompression and fusion Cervical spine Developmental stenosis Myelopathy
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Rheumatology
Journal Impact Factor	2.2/2023
5-Year Journal Impact Factor	2.6/2023

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