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Cortical Endplate Bone Density Measured by Novel Phantomless Quantitative Computed Tomography May Predict Cage Subsidence more Conveniently and Accurately by Mingyuan Di; Yuanzhi Weng; Guohua Wang; Hanming Bian; Huan Qi; Hongjin Wu; Chao Chen; Yiming Dou; Zhi Wang; Xinlong Ma; Baoshan Xu; Shan Zhu; Weijia William Lu; Qiang Yang is a Medicine article available to read on EtoBox.

What is Cortical Endplate Bone Density Measured by Novel Phantomless Quantitative Computed Tomography May Predict Cage Subsidence more Conveniently and Accurately about?

## Objective Previous studies have shown that bone mineral density (BMD) is a predictor of cage subsidence. Phantom‐less quantitative computed tomography (PL‐QCT) can measure volumetric bone mineral density (vBMD) of lumbar trabecular and cortical bone. The study of endplate vBMD (EP‐vBMD) is important in predicting cage settlement after extreme lateral interbody fusion (XLIF). This study aimed to determine the risk factors for postoperative cage subsidence after XLIF, particularly focusing on the relationship between vBMD measured by automatic PL‐QCT and cage subsidence. ## Methods Patients who underwent XLIF surgery from January 2018 to October 2020 with a minimum of 6 months of follow‐up were retrospectively included. Cage subsidence was defined as >2 mm cage sinking on the adjacent endplate in follow‐up imaging evaluation. Outcome measures were localized vBMDs included EP‐vBMDs with different region of interest (ROI) heights measured by PL‐QCT based on a customized muscle‐fat algorithm. Shapiro–Wilk test, one‐way ANOVA, Mann–Whitney test, Fisher exact test, univariable and multivariable logistic regression and receiver operating characteristic (ROC) curve analysis were executed

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Author

Mingyuan Di; Yuanzhi Weng; Guohua Wang; Hanming Bian; Huan Qi; Hongjin Wu; Chao Chen; Yiming Dou; Zhi Wang; Xinlong Ma; Baoshan Xu; Shan Zhu; Weijia William Lu; Qiang Yang

Publisher

Wiley

Published

2023

Field

Medicine (Health Sciences)