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Total disc arthroplasties change the kinematics of functional spinal units during lateral bending

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Total disc arthroplasties change the kinematics of functional spinal units during lateral bending. / Roch, Paul Jonathan; Wagner, Markus; Weiland, Jan; Gezzi, Riccardo; Spiering, Stefan; Lehmann, Wolfgang; Saul, Dominik; Weiser, Lukas; Viezens, Lennart; Wachowski, Martin Michael.

In: CLIN BIOMECH, Vol. 73, 03.2020, p. 130-139.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Roch, PJ, Wagner, M, Weiland, J, Gezzi, R, Spiering, S, Lehmann, W, Saul, D, Weiser, L, Viezens, L & Wachowski, MM 2020, 'Total disc arthroplasties change the kinematics of functional spinal units during lateral bending', CLIN BIOMECH, vol. 73, pp. 130-139. https://doi.org/10.1016/j.clinbiomech.2020.01.007

APA

Roch, P. J., Wagner, M., Weiland, J., Gezzi, R., Spiering, S., Lehmann, W., Saul, D., Weiser, L., Viezens, L., & Wachowski, M. M. (2020). Total disc arthroplasties change the kinematics of functional spinal units during lateral bending. CLIN BIOMECH, 73, 130-139. https://doi.org/10.1016/j.clinbiomech.2020.01.007

Vancouver

Roch PJ, Wagner M, Weiland J, Gezzi R, Spiering S, Lehmann W et al. Total disc arthroplasties change the kinematics of functional spinal units during lateral bending. CLIN BIOMECH. 2020 Mar;73:130-139. https://doi.org/10.1016/j.clinbiomech.2020.01.007

Bibtex

@article{41a6c1f1aae7491d910ea1aa80efa9c8,
title = "Total disc arthroplasties change the kinematics of functional spinal units during lateral bending",
abstract = "BACKGROUND: Information about kinematics in different functional spinal units before and after total disc arthroplasties is necessary to improve prostheses and determine indications. There is little information about the nonstationary instantaneous helical axis of rotation under lateral bending in the cervical spine before and after total disc arthroplasty.METHODS: Kinematic analyses were performed with an established measuring apparatus on 8 human functional spinal units (C3/C4, C5/C6) under intact conditions and after total disc arthroplasty with two different types of prostheses: Bryan and Prestige. The instantaneous helical axis, migration, and stiffness of the segments were calculated.FINDINGS: The instantaneous helical axis direction was always inclined ventrally. Ventral inclination was significantly higher in segment C3/C4 than in segment C5/C6 under all conditions (p < 0.001). Both types of arthroplasties significantly increased ventral inclination compared to intact conditions. In both segments, the path length of the instantaneous helical axis' migration was significantly longer after total disc arthroplasty with Bryan (p = 0.001) and shorter after Prestige (p < 0.001) prostheses than under intact conditions. After both types of arthroplasties, the migration path length was significantly longer and the stiffness was significantly lower in segment C3/C4 than in segment C5/C6.INTERPRETATION: Both types of arthroplasties changed the kinematics of both segments during lateral bending. Altered instantaneous helical axis migration, greater ventral inclination and less stiffness after both arthroplasties indicate unphysiological motion. Both arthroplasties had greater impact on segment C3/C4 than on segment C5/C6 in terms of hypermobility. Increased translational motion after total disc arthroplasty with a Bryan prosthesis might be caused by the prosthetic design.",
keywords = "Biomechanical Phenomena, Cervical Vertebrae/physiology, Humans, Intervertebral Disc/physiology, Mechanical Phenomena, Middle Aged, Range of Motion, Articular, Rotation, Total Disc Replacement",
author = "Roch, {Paul Jonathan} and Markus Wagner and Jan Weiland and Riccardo Gezzi and Stefan Spiering and Wolfgang Lehmann and Dominik Saul and Lukas Weiser and Lennart Viezens and Wachowski, {Martin Michael}",
note = "Copyright {\textcopyright} 2020. Published by Elsevier Ltd.",
year = "2020",
month = mar,
doi = "10.1016/j.clinbiomech.2020.01.007",
language = "English",
volume = "73",
pages = "130--139",
journal = "CLIN BIOMECH",
issn = "0268-0033",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Total disc arthroplasties change the kinematics of functional spinal units during lateral bending

AU - Roch, Paul Jonathan

AU - Wagner, Markus

AU - Weiland, Jan

AU - Gezzi, Riccardo

AU - Spiering, Stefan

AU - Lehmann, Wolfgang

AU - Saul, Dominik

AU - Weiser, Lukas

AU - Viezens, Lennart

AU - Wachowski, Martin Michael

N1 - Copyright © 2020. Published by Elsevier Ltd.

PY - 2020/3

Y1 - 2020/3

N2 - BACKGROUND: Information about kinematics in different functional spinal units before and after total disc arthroplasties is necessary to improve prostheses and determine indications. There is little information about the nonstationary instantaneous helical axis of rotation under lateral bending in the cervical spine before and after total disc arthroplasty.METHODS: Kinematic analyses were performed with an established measuring apparatus on 8 human functional spinal units (C3/C4, C5/C6) under intact conditions and after total disc arthroplasty with two different types of prostheses: Bryan and Prestige. The instantaneous helical axis, migration, and stiffness of the segments were calculated.FINDINGS: The instantaneous helical axis direction was always inclined ventrally. Ventral inclination was significantly higher in segment C3/C4 than in segment C5/C6 under all conditions (p < 0.001). Both types of arthroplasties significantly increased ventral inclination compared to intact conditions. In both segments, the path length of the instantaneous helical axis' migration was significantly longer after total disc arthroplasty with Bryan (p = 0.001) and shorter after Prestige (p < 0.001) prostheses than under intact conditions. After both types of arthroplasties, the migration path length was significantly longer and the stiffness was significantly lower in segment C3/C4 than in segment C5/C6.INTERPRETATION: Both types of arthroplasties changed the kinematics of both segments during lateral bending. Altered instantaneous helical axis migration, greater ventral inclination and less stiffness after both arthroplasties indicate unphysiological motion. Both arthroplasties had greater impact on segment C3/C4 than on segment C5/C6 in terms of hypermobility. Increased translational motion after total disc arthroplasty with a Bryan prosthesis might be caused by the prosthetic design.

AB - BACKGROUND: Information about kinematics in different functional spinal units before and after total disc arthroplasties is necessary to improve prostheses and determine indications. There is little information about the nonstationary instantaneous helical axis of rotation under lateral bending in the cervical spine before and after total disc arthroplasty.METHODS: Kinematic analyses were performed with an established measuring apparatus on 8 human functional spinal units (C3/C4, C5/C6) under intact conditions and after total disc arthroplasty with two different types of prostheses: Bryan and Prestige. The instantaneous helical axis, migration, and stiffness of the segments were calculated.FINDINGS: The instantaneous helical axis direction was always inclined ventrally. Ventral inclination was significantly higher in segment C3/C4 than in segment C5/C6 under all conditions (p < 0.001). Both types of arthroplasties significantly increased ventral inclination compared to intact conditions. In both segments, the path length of the instantaneous helical axis' migration was significantly longer after total disc arthroplasty with Bryan (p = 0.001) and shorter after Prestige (p < 0.001) prostheses than under intact conditions. After both types of arthroplasties, the migration path length was significantly longer and the stiffness was significantly lower in segment C3/C4 than in segment C5/C6.INTERPRETATION: Both types of arthroplasties changed the kinematics of both segments during lateral bending. Altered instantaneous helical axis migration, greater ventral inclination and less stiffness after both arthroplasties indicate unphysiological motion. Both arthroplasties had greater impact on segment C3/C4 than on segment C5/C6 in terms of hypermobility. Increased translational motion after total disc arthroplasty with a Bryan prosthesis might be caused by the prosthetic design.

KW - Biomechanical Phenomena

KW - Cervical Vertebrae/physiology

KW - Humans

KW - Intervertebral Disc/physiology

KW - Mechanical Phenomena

KW - Middle Aged

KW - Range of Motion, Articular

KW - Rotation

KW - Total Disc Replacement

U2 - 10.1016/j.clinbiomech.2020.01.007

DO - 10.1016/j.clinbiomech.2020.01.007

M3 - SCORING: Journal article

C2 - 31982810

VL - 73

SP - 130

EP - 139

JO - CLIN BIOMECH

JF - CLIN BIOMECH

SN - 0268-0033

ER -