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- Title
The effect of the difference in C<sub>2-7</sub> angle on the occurrence of dysphagia after anterior cervical discectomy and fusion with the zero-P implant system.
- Authors
Huang, Cheng-Yi; Meng, Yang; Wang, Bei-Yu; Yu, Jie; Ding, Chen; Yang, Yi; Wu, Ting-Kui; Liu, Hao
- Abstract
<bold>Objectives: </bold>To investigate the effect of the difference in C2-7 angle on dysphagia after anterior cervical discectomy and fusion (ACDF) with the Zero-P Implant System.<bold>Methods: </bold>A retrospective analysis of 181 patients who underwent ACDF with the Zero-P Implant System and had at least one year of follow-up from January 2011 to November 2018 was performed. All patients were divided into a non-dysphagia group and a dysphagia group to explore the effect of the difference between postoperative and preoperative C2-7 angle (dC2-7A) on postoperative dysphagia. At the same time, other possible related factors including the difference between postoperative and preoperative O-C2 angle (dO-C2A), sex, age, body mass index (BMI), intraoperative time, estimated blood loss, diabetes mellitus, hypertension, smoking, alcohol consumption, prevertebral soft-tissue swelling (PSTS), the highest segment involved in the surgery and the levels of surgery segments were analyzed.<bold>Results: </bold>In total, the non-dysphagia group comprised 139 patients and the dysphagia group comprised 42 patients. The single-factor analysis showed that smoking, PSTS and dC2-7A were significantly different between the two groups (P < 0.05). Spearman's correlation coefficient showed no significant correlation between the degree of dysphagia and dC2-7A (P > 0.05). The results of the multiple-factor analysis with an ordinal logistic regression model showed that smoking, PSTS and dC2-7A were significantly associated with the incidence of dysphagia (P < 0.05).<bold>Conclusions: </bold>The postoperative C2-7 angle has an important effect on the occurrence of dysphagia in patients undergoing Zero-P implant system interbody fusion surgery.
- Subjects
DISCECTOMY; LONGITUDINAL ligaments; BODY mass index; LOGISTIC regression analysis; ALCOHOL drinking; RANK correlation (Statistics)
- Publication
BMC Musculoskeletal Disorders, 2020, Vol 21, Issue 1, pN.PAG
- ISSN
1471-2474
- Publication type
journal article
- DOI
10.1186/s12891-020-03691-7