Journals / Turkish Neurosurgery / 2012 / Cilt: 22 - Sayı: 3

TLIF Komşu segmental dejenerasyonu ALIF’den daha olumsuz etkiler mi? bir sonlu eleman çalışması

Does TLIF aggravate adjacent segmental degeneration more adversely than ALIF? A finite element study

Pages
324–328
Publication Date
2022-11-05
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

ConclusIon: Transforaminal lumbar interbody fusion aggravates adjacent segmental degeneration more adversely than anterior lumbar interbody fusion.

📌 3 Key Takeaways

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Objective & Hypothesis:AIM: To determine whether transforaminal lumbar interbody fusion aggravate adjacent segmental degeneration more adversely than anterior lumbar interbody fusion.
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Key Findings & Data:MaterIal and Methods: A normal finite element model, an anterior lumbar interbody fusion model and a transforaminal lumbar interbody fusion model of L3-5 were developed. 800 N compressive loading plus 10 Nm moments simulating flexion, extension, lateral bending and axial rotation were imposed on L3 superior endplate.
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Conclusion & Impact:ConclusIon: Transforaminal lumbar interbody fusion aggravates adjacent segmental degeneration more adversely than anterior lumbar interbody fusion.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

AIM: To determine whether transforaminal lumbar interbody fusion aggravate adjacent segmental degeneration more adversely than anterior lumbar interbody fusion. MaterIal and Methods: A normal finite element model, an anterior lumbar interbody fusion model and a transforaminal lumbar interbody fusion model of L3-5 were developed. 800 N compressive loading plus 10 Nm moments simulating flexion, extension, lateral bending and axial rotation were imposed on L3 superior endplate. The intradiscal pressure, intersegmental rotation and tresca stress in L3-4 were investigated. Results: Under all loading directions, the values of three parameters in transforaminal lumbar interbody fusion model were the highest and those in normal model were the lowest, and the values in the ALIF model were higher than the normal model while lower than the TLIF model. In the ALIF and normal models, the values of the three parameters on left lateral bending and axial rotation were equal to those on right lateral bending and axial rotation. However, in the TILF model, the values on right lateral bending and axial rotation were larger than those on left lateral bending and axial rotation. ConclusIon: Transforaminal lumbar interbody fusion aggravates adjacent segmental degeneration more adversely than anterior lumbar interbody fusion.

Özet

AMAÇ: Transforaminal lumber interbody füzyonun komşu segment dejenerasyonunu anterior lumber interbody füzyondan daha olumsuz etkileyip etkilemediğini belirlemek. YÖNTEM ve GEREÇLER: Bir normal sonlu eleman modelini kullanarak L3-5 için bir anterior lumber interbody füzyon modeli ve bir transforami- nal lumber interbody füzyon modeli geliştirildi. L3 superior uç plakasına fleksiyon, lateral bükülme ve aksiyal rotasyon simülasyonu yapan 10 Nm momentler artı 800 N kompresif yükleme uygulandı. İntradisk basıncı, intersegmental rotasyon ve tresca stresi L3-4’te incelendi. BULGULAR: Tüm yükleme yönlerinde üç parametrenin değeri transforaminal lumbar interbody füzyon modelinde en yüksek olurken normal modelde en düşüktü ve ALIF modelindeki değerler normal modelden yüksekken TLIF modelinden düşüktü. ALIF ve normal modellerde üç parametrenin sol lateral bükülme ve aksiyal rotasyon değerleri sağ lateral bükülme ve aksiyal rotasyon için olanlara eşitti. Ancak, TLIF modelinde sağ lateral bükülme ve aksiyal rotasyon değerleri sol lateral bükülme ve aksiyal rotasyon için olandan daha büyüktü. SONUÇ: Transforaminal lumber interbody füzyon komşu segmental dejenerasyonu anterior lumber interbody füzyondan daha olumsuz etkilemektedir.

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Cite This Article

TANG, S. (2022). TLIF Komşu segmental dejenerasyonu ALIF’den daha olumsuz etkiler mi? bir sonlu eleman çalışması. Turkish Neurosurgery, Cilt: 22 - Sayı: 3, 324–328. https://ajindex.com/articles/617030

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References (1)

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