Surgical strategy used in multilevel cervical disc replacement and cervical hybrid surgery: Four case reports

Wang, Xiaofei; Meng, Yang; Liu, Hao; Hong, Ying; Wang, Beiyu

doi:10.12998/wjcc.v8.i17.3890

Cited by 6 publications

(4 citation statements)

References 22 publications

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“…It is worth noting that the hybrid strategy chosen in this study was ACDF + CDA, and any changes to the hybrid strategy may have a certain impact on the results. 33,34 Previous studies have shown that the biomechanics of hybrid surgery are not only significantly related to the hybrid strategy and the selection of artificial discs, but also influenced by the severity of degenerated segments and the surgical sequence.…”

Section: Discussionmentioning

confidence: 99%

Comparison of the effects of different artificial discs on hybrid surgery: A finite element analysis

Jiang,

Zhao,

Rahman

et al. 2023

Proc Inst Mech Eng H

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In recent years, artificial cervical discs have been used in intervertebral disc replacement surgery and hybrid surgery (HS). The advantages and disadvantages of different artificial cervical discs in artificial cervical disc replacement surgery have been compared. However, few scholars have studied the biomechanical effects of various artificial disc prostheses on the human cervical spine in HS which include the Anterior Cervical Discectomy and Fusion (ACDF) and Cervical Disc Arthroplasty (CDA). This study compared the biomechanical behavior of Mobi-C and Prestige LP in the operative and adjacent segments during two-level hybrid surgery. A three-dimensional finite element model of C2–C7 was first established and validated. Subsequently, clinical surgery was then simulated to establish a surgical model of anterior cervical fusion at the C4–C5 level. Mobi-C and Prestige-LP artificial disc prostheses were implanted at the C5–C6 level to create two hybrid models. All finite element models were fixed on the lower endplate of the C7 vertebra and subjected to a load of 73.6 N and different directions of 1 Nm torque on the odontoid process of the C2 vertebra to simulate human flexion, extension, lateral bending, and axial rotation. This paper compares the ROM, intervertebral pressure, and facet joint force after hybrid surgery with the intact model. The results show that compared with Prestige LP, Mobi-C can improve ROM of the replacement segment and compensate for the intervertebral pressure of the adjacent segment more effectively, but the facet joint pressure of the replacement segment may be higher.

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Section: Discussionmentioning

confidence: 99%

Comparison of the effects of different artificial discs on hybrid surgery: A finite element analysis

Jiang,

Zhao,

Rahman

et al. 2023

Proc Inst Mech Eng H

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“…41 In addition, intraoperative radiographic confirmation is performed during each step of the implantation process. 42 All these procedures guarantee a proper position of the implanted artificial discs.…”

Section: Discussionmentioning

confidence: 99%

Association of cervical sagittal alignment with adjacent segment degeneration and heterotopic ossification following cervical disc replacement with Prestige-LP disc

Wang

Meng

Líu

et al. 2020

J Orthop Surg (Hong Kong)

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Purpose: Cervical sagittal balance plays important roles in transmitting the load of the head and maintaining global spinal balance. This study aimed to identify the association of cervical sagittal alignment with adjacent segment degeneration (ASD) and heterotopic ossification (HO) after Prestige-LP cervical disc replacement (CDR). Methods: We enrolled 132 patients who underwent one-level Prestige-LP CDR with 2–10 years of follow-up. Cervical sagittal alignment parameters, including the degree of C2–C7 lordosis (CL), functional spinal unit angle (FSUA), sagittal vertical axis (SVA),, and T1 slope (T1s), were measured. ASD and HO were evaluated at the last follow-up. Unpaired t tests and logistic regression analysis were used to identify the associations of cervical sagittal alignment with ASD and HO. Results: We found that patients who developed ASD showed significantly lower FSUA (2.1° vs. −1.4°, p < 0.001) and T1s values (28.4° vs. 25.5°, p = 0.029) after surgery. Similarly, the postoperative CL was significantly better in patients without ASD or HO (18.0° vs. 14.4°, p = 0.043). The decrease in the T1s at the last follow-up was significantly larger in the patients with ASD (−11.0° vs. −3.2°, p = 0.003), HO (−6.7° vs. −2.7°, p = 0.050), and ASD or HO (−7.0° vs. −0.8°, p < 0.001) than in those without ASD or HO. Multivariate logistic regression analysis showed that both the FSUA and T1s are associated with ASD and that the degree of CL is associated with postoperative complications. Conclusion: The results imply that maintaining cervical sagittal alignment after Prestige-LP CDR is important.

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“…In all circumstances the C-ADR should be implanted prior to the ACDF portion of the procedure. If implanting more than one arthroplasty, all trialing, rasping, drilling for both prostheses should be performed prior to C-ADR implantation [41,43].…”

Section: Sequence Of Implantationmentioning

confidence: 99%

The Cervical Hybrid Arthroplasty

Pazmiño¹

2022

Minimally Invasive Spine Surgery - Advances and Innovations

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Surgical strategy used in multilevel cervical disc replacement and cervical hybrid surgery: Four case reports

Cited by 6 publications

References 22 publications

Comparison of the effects of different artificial discs on hybrid surgery: A finite element analysis

Comparison of the effects of different artificial discs on hybrid surgery: A finite element analysis

Association of cervical sagittal alignment with adjacent segment degeneration and heterotopic ossification following cervical disc replacement with Prestige-LP disc

The Cervical Hybrid Arthroplasty

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