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Radiological Exploration on Adjacent Segments After Total Cervical Disc Replacement with Prodisc-C Prosthesis

Overview
Publisher Biomed Central
Specialty Orthopedics
Date 2019 May 30
PMID 31138246
Citations 4
Authors
Affiliations
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Abstract

Purpose: The relationship between upper or lower adjacent segments (UAS/LAS) and the cervical spine parameters was not clear yet. So, the purpose was to analyze range of motion (ROM), lordosis (LOR), and intervertebral disc height (IDH) of UAS and LAS before and after total cervical disc replacement (TDR) and to explore the influencing factors of cervical spine radiological parameters on adjacent segments.

Methods: A single-center retrospective study was performed on patients completing 10-year follow-up undergone TDR. As the primary outcomes, radiological parameters included UAS-ROM/LAS-ROM, UAS-LOR/LAS-LOR, and UAS-IDH/LAS-IDH. The secondary outcomes were ROM and LOR of C2-C7 and surgical levels, IDH of surgical segments, prosthesis migration, subsidence, heterotopic ossification (HO), and adjacent segment degeneration (ASD), which were measured on X-ray.

Results: UAS-ROM and LAS-ROM remained stable in follow-up periods. There was no significance on UAS-LOR or LAS-LOR between pre- and post- operation, so was UAS-IDH or LAS-IDH. UAS-ROM was larger in the segments with ASD (P < 0.001), the same to LAS-ROM (P < 0.001), and UAS-LOR was larger in segments with ASD (P = 0.02). UAS-ROM was positively correlated with C2-C7 ROM and LOR (both P < 0.001). UAS-LOR was correlated with operated-segmental LOR while LAS-LOR were in correlation with surgical segment ROM. The influencing factors of UAS-ROM were the surgical segment ROM and C2-C7 LOR. The influencing factors of UAS-LOR and LAS-LOR were LAS-ROM and UAS-ROM, respectively. The influencing factors of UAS-IDH were LAS-IDH, surgical segment IDH, and HO while that of LAS-IDH were UAS-IDH and surgical segment IDH.

Conclusions: TDR has only a little effect on the adjacent segments. There is an interaction between UAS and LAS. The maintenance on surgical segments ROM and reconstruction of IDH will benefit to adjacent segments.

Citing Articles

Adjacent segment degeneration after single- and double-level cervical total disc replacement: a cohort with an over 12-year follow-up.

Liang Y, Qian Y, Xia W, Guo C, Zhu Z, Liu H Eur Spine J. 2023; 33(1):232-242.

PMID: 37947890 DOI: 10.1007/s00586-023-08018-3.


Anterior Bone Loss after Cervical Baguera C Disc versus Bryan Disc Arthroplasty.

Yang C, Chen T, Chen W, Tzeng C, Huang C, Lin R Biomed Res Int. 2023; 2023:8010223.

PMID: 36794256 PMC: 9925247. DOI: 10.1155/2023/8010223.


Complications of cervical total disc replacement and their associations with heterotopic ossification: a systematic review and meta-analysis.

Hui N, Phan K, Cheng H, Lin Y, Mobbs R Eur Spine J. 2020; 29(11):2688-2700.

PMID: 32279116 DOI: 10.1007/s00586-020-06400-z.


Correction to: Radiological exploration on adjacent segments after total cervical disc replacement with Prodisc-C prosthesis.

Xu S, Liang Y, Meng F, Wang K, Liu H J Orthop Surg Res. 2019; 14(1):207.

PMID: 31286967 PMC: 6613259. DOI: 10.1186/s13018-019-1249-z.

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