Single-level cervical arthroplasty with ProDisc-C artificial disc: 10-year follow-up results in one centre
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SUPPLEMENT ARTICLE
Single‑level cervical arthroplasty with ProDisc‑C artificial disc: 10‑year follow‑up results in one centre Yanbin Zhao1 · Feifei Zhou1 · Yu Sun1 · Shengfa Pan1 Received: 25 January 2019 / Revised: 25 May 2019 / Accepted: 11 August 2019 © Springer-Verlag GmbH Germany, part of Springer Nature 2019
Abstract Purpose The aim of this study was to evaluate the long-term clinical and radiographic outcomes of cervical arthroplasty using the ProDisc-C prosthesis. Methods Clinical and radiographic evaluations, including dynamic flexion–extension lateral images, were performed at baseline and at 10-year follow-up. Results Twenty-seven patients who had single-level ProDisc-C arthroplasty were followed up for a mean period of 123 months. The range of motion at the operated level was 8.9° ± 3.9° at baseline and 6.6° ± 3.5° at final follow-up. Twenty of 27 levels (74%) developed heterotopic ossification. According to McAfee’s classification, one level was classified as grade I, four levels were classified as grade II, 12 levels were classified as grade III and three levels were classified as grade IV. Three patients developed recurrent cervical radiculopathy or myelopathy due to adjacent segment disease and received the reoperations. The reoperations included two cases of cervical arthroplasty at adjacent segments and one case of cervical laminoplasty. Conclusions ProDisc-C arthroplasty had acceptable clinical and radiographic results at 10-year follow-up. Heterotopic ossification was common after ProDisc-C arthroplasty, which decreased the range of motion. Graphic abstract These slides can be retrieved under Electronic Supplementary Material.
Key points
Take Home Messages
1. cervical disc arthroplasty
1. ProDisc-C arthroplasty had acceptable radiographic and clinical outcomes at 10-year follow-up.
2. heterotopic ossification 2. Heterotopic ossification was detected in 74 % of the index segments.
3. adjacent segment disease
Dynamic X-ray at 55 months’ follow-up after the reoperation of C6/7 arthroplasty with ProDisc-C.
Zhao Y, Zhou F, Sun Y, Pan S (2019) Single-level cervical arthroplasty with ProDisc-C artificial disc: 10-year follow-up results in one center. Eur Spine J;
Zhao Y, Zhou F, Sun Y, Pan S (2019) Single-level cervical arthroplasty with ProDisc-C artificial disc: 10-year follow-up results in one center. Eur Spine J;
3. The range of motion was 8.9 up.
at baseline and 6.6
at final follow-
Zhao Y, Zhou F, Sun Y, Pan S (2019) Single-level cervical arthroplasty with ProDisc-C artificial disc: 10-year follow-up results in one center. Eur Spine J;
Keywords Cervical disc arthroplasty · Heterotopic ossification · Adjacent segment disease Yanbin Zhao and Feifei Zhou contributed equally to this work. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00586-019-06110-1) contains supplementary material, which is available to authorized users. * Yu Sun [email protected] 1
Department of Orthopaedic Surgery, Peking University Third Hospital,
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