Segmental Lordosis Gain Is a Prognostic Radiological Factor of Good Functional Outcome After the Implantation of a Single-Level Prosthesis or a Hybrid Construct for Lumbar Disc Degeneration

Serratrice, Nicolas; Gennari, Antoine; Yuh, Sung-Joo; Sabah, Yann; Gavotto, Amandine; Paquis, Philippe; Litrico, S.

doi:10.1016/j.wneu.2021.06.005

Cited by 5 publications

(2 citation statements)

References 21 publications

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“…Restoration of segmental lordosis and optimization of spinopelvic parameters have been associated with improved functional outcomes [37] and decreased rates of adjacent segment degeneration [38 , 39] . Roussouly et al.…”

Section: Discussionmentioning

confidence: 99%

Prone Transpsoas Lateral Interbody Fusion (PTP LIF) with Anterior Docking: Preliminary functional and radiographic outcomes

NaPier

2023

North American Spine Society Journal (NASSJ)

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Section: Discussionmentioning

confidence: 99%

Prone Transpsoas Lateral Interbody Fusion (PTP LIF) with Anterior Docking: Preliminary functional and radiographic outcomes

NaPier

2023

North American Spine Society Journal (NASSJ)

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“…Большинство исследований [33,35] показало, что проседание кейджа не ассоциировано с клиническими исходами. Yao et al [5] [36], что влечет за собой нарушение позвоночно-тазового баланса [37].…”

Section: Discussionunclassified

Vertebral bone density in Hounsfield units as a predictor of interbody non-union and implant subsidence in lumbar circumferential fusion

et al. 2022

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Objective. To determine the values of Hounsfield units (HU) of the lumbar vertebrae predicting unsatisfactory radiological results of circumferential interbody fusion at the lumbar level.Material and Methods. The data of patients who underwent a single-level decompression and stabilization intervention at the L4–L5 or L5–S1 level for degenerative diseases of the spine were analyzed. The CT images of the lumbar spine were assessed before surgery with the measurement of HU values of the vertebral bodies at the intervention level, as well as CT images one year after surgery to evaluate the degree of interbody block formation and subsidence of the cage. Three groups of patients were distinguished: patients with a formed interbody bone block and without cage subsidence (control group), patients with failed fusion and patients with cage subsidence.Results. The study presents CT data of 257 patients. The incidence of non-union was 32.3 % (83/257), and of cage subsidence – 43.6 % (112/257). The proportion of patients with reduced bone mineral density (BMD) was 26.1 % (67/257). Patients with non-union and subsidence had higher ODI scores (p = 0.045 and p = 0.050, respectively) compared to controls. The presence of fusion failure and subsidence is associated with reduced BMD (p < 0.05), HU values of vertebrae (p < 0.05), and higher ODI score (p < 0.05). According to the ROC analysis, threshold HU values were determined equal to 127 HU, 136 HU and 142 HU for the L4, L5, S1 vertebral bodies, respectively. Upon reaching these values, the risk of a combination of fusion failure and subsidence increases significantly (p = 0.022).Conclusions. Patients with non-union and cage subsidence have less satisfactory clinical outcomes. The HU values of the vertebral bodies equal to 127 HU, 136 HU and 142 HU for the L4, L5, and S1, respectively, are advisable to use in practice to predict non-union and subsidence after a single-level decompression and stabilization intervention at the lower lumbar levels.

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Comparison of segmental lordosis gain of prone transpsoas (PTP) vs. lateral lumbar interbody fusion

Amaral

Moriguchi

Pokorny

et al. 2023

Arch Orthop Trauma Surg

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Segmental Lordosis Gain Is a Prognostic Radiological Factor of Good Functional Outcome After the Implantation of a Single-Level Prosthesis or a Hybrid Construct for Lumbar Disc Degeneration

Cited by 5 publications

References 21 publications

Prone Transpsoas Lateral Interbody Fusion (PTP LIF) with Anterior Docking: Preliminary functional and radiographic outcomes

Prone Transpsoas Lateral Interbody Fusion (PTP LIF) with Anterior Docking: Preliminary functional and radiographic outcomes

Vertebral bone density in Hounsfield units as a predictor of interbody non-union and implant subsidence in lumbar circumferential fusion

Comparison of segmental lordosis gain of prone transpsoas (PTP) vs. lateral lumbar interbody fusion

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