Predictive Factors of Post-operative Dysphagia in Single-level Anterior Cervical Discectomy and Fusion (ACDF)

Spine
Philip SavilleSheeraz A Qureshi

Abstract

Retrospective review of prospectively collected data OBJECTIVE.: To investigate if zero profile devices offer an advantage over traditional plate/cage constructs for dysphagia rates in single level ACDF. Dysphagia rates following ACDF have been reported to be as high as 83%, most cases are self-limiting, but chronic dysphagia can continue in up to 35% of patients. Zero profile devices were developed to limit dysphagia, and other plate specific complications, however the literature is currently divided regarding their efficacy. Dysphagia was assessed by SWAL-QOL scores pre operatively, at 6 weeks and 12 weeks. PROMs including VAS and NDI were collected pre operatively, at 6 weeks and at 6 months. Univariate and multivariate regression analysis was conducted with SWAL-QOL score as the dependent variable. 64 patients were included, 41 received a zero profile device, and 23 received plate/cage construct. Both groups were similar regarding patient demographics, except operative time, with the zero-profile group having a shorter procedure time than the cage-plate group (44.88 ± 6.54 vs 54.43 ± 14.71 minutes, p = 0.001). At all timepoints dysphagia rates were similar between the groups. Regression analysis confirmed pre-operative SWAL...Continue Reading

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