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Spots Global Cancer Trial Database for Finite Element Study of Biomechanical Changes After Unilateral Hemilamina and Facet Joint Resection of Cervical Spine

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Trial Identification

Brief Title: Finite Element Study of Biomechanical Changes After Unilateral Hemilamina and Facet Joint Resection of Cervical Spine

Official Title: Finite Element Study of Biomechanical Changes After Unilateral Hemilamina and Facet Joint Resection of Cervical Spine

Study ID: NCT04957056

Interventions

Hospitalization

Study Description

Brief Summary: Finite element method was used to simulate unilateral hemilaminectomy of cervical spine and facet joint resection of different degrees, and the range of motion and the stress changes of ligament, intervertebral disc and endplate were calculated immediately after operation

Detailed Description: The finite element method was used to simulate unilateral hemilaminectomy of cervical spine and different degrees of facet joint resection, and the range of motion and the stress changes of ligaments, intervertebral discs and endplates were calculated immediately after the operation. Finite element method was used to simulate unilateral hemilaminectomy of cervical spine and facet joint resection of different degrees, and the range of motion and the stress changes of ligament, intervertebral disc and endplate were calculated immediately after operation. Study Design: This study is a retrospective and general observational study.In this study, a young patient who was hospitalized in the Neurosurgery Department of the Third Hospital of Beijing University of Medicine and had undergone CT examination of cervical vertebra was selected. The patient had no cervical bony deformity, no cervical degeneration, and no history of trauma. CT imaging data were collected, and a three-dimensional finite element model of C2-T1 segment of human cervical spine was established by finite element software. On the basis of this model, two and three levels of unilateral hemilamina and different degrees of facet joint resection were simulated.The lower end of the T1 vertebral body was fixed as the boundary condition, and three loading modes were adopted, namely, 2.0nm pure torque was applied to the upper surface of the C2 vertebral body along the sagittal plane, coronal plane and axial plane, respectively.The range of motion between vertebral segments was calculated and compared in different lamina surgical models. The tension of ligaments, the pressure of endplates and the pressure of intervertebral discs were obtained by finite element post-processing

Keywords

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Peking University Third Hospital, Beijing, Beijing, China

Contact Details

Name: Zhen-Yu Wang

Affiliation: Peking University Third Hospital

Role: STUDY_CHAIR

Name: Qi-Guo Rong

Affiliation: Peking University

Role: STUDY_DIRECTOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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