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Are Patients With Segmental Cervical Kyphosis Appropriate Candidates For Cervical Disc Arthroplasty (CDA)? A Clinical And Radiographic Analysis Compared To Anterior Cervical Discectomy And Fusion (ACDF) – Cervical Disc Replacement

This article summarizes the findings of a retrospective cohort study comparing the clinical and radiographic outcomes of Anterior Cervical Discectomy and Fusion (ACDF) and cervical disc arthroplasty (CDA) in patients with preoperative segmental kyphosis. The study included 48 patients who underwent either ACDF or CDA and were followed for 2 years. The results showed that CDA was superior to ACDF in terms of Neck Disability Index (NDI) scores following the index procedure. Both groups had similar complication rates, revision rates, and radiographic outcomes. The study suggests that CDA may be a better option for patients with preoperative segmental cervical kyphosis

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
The London Spine Unit : most established day surgery hospital in London

Published article

CDA was superior to ACDR in regards to NDI scores following index procedure in patients with preoperative segmental cervical kyphosis. Those in the CDA cohort had similar complication rates, revision rates and radiographic outcomes as those who underwent ACDF.

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Abstract Study design: Retrospective cohort study. Objectives: To compare the clinical and radiographic outcomes of Anterior Cervical Discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) in patients with preoperative segmental kyphosis. Methods: Patients with segmental cervical kyphosis at the operative levels undergoing 1- or 2-level ACDF or CDA from 2017 to 2020 with 2,

Abstract

Study design: Retrospective cohort study.

Objectives: To compare the clinical and radiographic outcomes of Anterior Cervical Discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) in patients with preoperative segmental kyphosis.

Methods: Patients with segmental cervical kyphosis at the operative levels undergoing 1- or 2-level ACDF or CDA from 2017 to 2020 with 2 years of follow were identified. Patient demographics, perioperative data, complication rates, radiographic findings and reported outcomes were analyzed.

Results: A total of 48 patients met inclusion criteria and were included in our study (ACDF: n = 24, CDA: n = 24). Patient demographic data between the 2 cohorts was similar expect for proportion of males (ACDF: 62.5% vs CDA: 33.3%, P = .043). There was no statistical significance in the change of segmental lordosis (ACDF: +8.09° vs CDA: +5.88°, P = .075) between the preoperative and final postoperative period. Additionally, the change in cervical lordosis was similar between groups (ACDF:+ 9.86° vs CDA: +7.60°, P = .226). VAS scores were similar between the 2 groups at every follow-up interval. NDI scores were significantly different at the 6-month, 12 month and the final follow-up. Mean improvements between preoperative and final postoperative periods were statistically superior in the CDA cohort compared to the ACDF cohort (ACDF: 22.8 vs CDA: 24.1, P = .0375).

CDA was superior to ACDR in regards to NDI scores following index procedure in patients with preoperative segmental cervical kyphosis. Those in the CDA cohort had similar complication rates, revision rates and radiographic outcomes as those who underwent ACDF.

Keywords: cervical disc arthroplasty; cervical fusion; cervical kyphosis; disc replacement; outcomes.

The London Spine Unit : most established day surgery hospital in London

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Are Patients With Segmental Cervical Kyphosis Appropriate Candidates for Cervical Disc Arthroplasty (CDA)? A Clinical and Radiographic Analysis Compared to Anterior Cervical Discectomy and Fusion (ACDF)

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Abstract Study design: Retrospective cohort study. Objectives: To compare the clinical and radiographic outcomes of Anterior Cervical Discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) in patients with preoperative segmental kyphosis. Methods: Patients with segmental cervical kyphosis at the operative levels undergoing 1- or 2-level ACDF or CDA from 2017 to 2020 with 2

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