Cervical disc arthroplasty in Australia: An epidemiological study.

IF 1.3 Q2 OTORHINOLARYNGOLOGY

Journal of Craniovertebral Junction and Spine Pub Date : 2025-07-01 Epub Date: 2025-09-18 DOI:10.4103/jcvjs.jcvjs_138_25

Matthew Dowsett, Adam R George, Zac Dragan, Christopha J Knee, Brahman S Sivakumar, Ryan J Campbell, Michael Symes

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Abstract

Introduction: Favorable clinical outcomes have been reported for cervical disc arthroplasty (CDA), particularly in preserving motion and reducing adjacent segment disease compared with anterior cervical discectomy and fusion. However, evidence on the uptake of CDA in clinical practice remains limited. This study aimed to analyze Australian population trends in CDA over the past 6 years.

Methods: The 6-year incidence of CDA in adult patients from 2019 to 2024 was analyzed using the Medicare Benefits Schedule (MBS) database. Data were stratified by sex and year, with population adjustments to account for demographic changes over the study period.

Results: A total of 4216 CDA procedures were performed in Australia under the MBS over the 6-year period. The annual mean case volume was 702.7 cases. Procedure volumes remained relatively stable from 2019 to 2021, with a reduction in case numbers thereafter. The highest concentration of procedures occurred in the 35-54 (62.28%) age group (P < 0.001). The distribution across sex was similar, with 2147 cases (50.93%) in males and 2069 cases (49.07%) in females.

Conclusions: Although there is growing evidence supporting the safety and efficacy of CDA, its utilization in Australia has remained stable over the past 6 years, with the highest uptake among young to middle-aged patients. Further analysis of utilization trends may help identify factors influencing adoption and guide future surgical practice.

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澳大利亚颈椎椎间盘置换术：一项流行病学研究。

介绍：与前路颈椎间盘切除术和融合术相比，颈椎间盘置换术（CDA）有良好的临床结果，特别是在保持运动和减少邻近节段疾病方面。然而，临床实践中CDA应用的证据仍然有限。本研究旨在分析过去6年澳大利亚CDA的人口趋势。方法：采用美国联邦医疗保险福利计划（Medicare Benefits Schedule， MBS）数据库，分析2019 - 2024年成人患者6年CDA发病率。数据按性别和年份进行分层，并根据研究期间的人口变化进行人口调整。结果：在6年期间，澳大利亚在MBS下共进行了4216例CDA手术。年平均病例数为702.7例。从2019年到2021年，手术数量保持相对稳定，此后病例数有所减少。35 ~ 54岁年龄组手术发生率最高（62.28%）（P < 0.001）。性别分布相似，男性2147例（50.93%），女性2069例（49.07%）。结论：尽管越来越多的证据支持CDA的安全性和有效性，但其在澳大利亚的使用率在过去6年中保持稳定，其中青壮年患者的使用率最高。进一步分析使用趋势可能有助于确定影响采用的因素并指导未来的外科实践。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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