ArticleScientific reports2025
Preoperative CT attenuation value classification assesses cage subsidence risk in 112 OLIF surgery cases.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Identifying an X-Ray Threshold for Cage Subsidence After Single-Level Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Diagnostic Threshold Study Using Intraoperative CT as the Reference Standard.Journal of clinical medicine · 2026Article
- Quantitative CT-Derived Volumetric Bone Mineral Density Threshold for Predicting Cage Subsidence After Oblique Lumbar Interbody Fusion.Tomography (Ann Arbor, Mich.) · 2026Article
- Impact of endplate-graft geometric matching on cage subsidence following stand-alone lateral lumbar interbody fusion: a finite element analysis.BMC musculoskeletal disorders · 2026Article
- Preoperative imaging predictors of subsidence of 3D-printed artificial cervical vertebral bodies: a cohort study of 102 patients with nomogram development and validation.BMC musculoskeletal disorders · 2026Article
- Biomechanical evaluation of a novel L-shaped side-locking plate combined with OLIF: a finite element analysis considering 3 different bone densities.Frontiers in surgery · 2026Article
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12 authors.
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Abstract
Retrospective Study. This study investigates the effectiveness of preoperative vertebral computed tomography (CT) attenuation value classification in predicting cage subsidence in Oblique lumbar interbody fusion (OLIF) surgeries. This study aims to evaluate the feasibility of using CT attenuation value classification to predict cage subsidence. A retrospective analysis of L4-5 OLIF surgeries from May 2019 to June 2022, with over one year of follow-ups, was performed. Patients were classified into subsidence and non-subsidence groups based on postoperative outcomes. Demographic and perioperative variables, preoperative CT attenuation values, and changes in Oswestry Disability Index (ODI) and Visual Analog Scale (VAS) scores were compared. Of 112 patients (29 in the subsidence group, 83 in the non-subsidence group), significant differences in gender (P = 0.032) and DXA T-value (P = 0.010) were noted, with the subsidence group predominantly female. The consistency of CT attenuation values across L1-L5 vertebral bodies demonstrated strong reliability, with intraclass correlation coefficient (ICC) ranging from 0.76 to 0.91. CT attenuation values, categorized into osteoporosis, osteopenia, and regular bone mass groups, correlated significantly with bone density and subsidence, especially at the L1 vertebra (r = 0.548, P < 0.001). Multivariate logistic regression confirmed the predictive value of vertebral CT stratification, with L1-L5 Odds Ratios (OR) ranging from 0.07 to 0.26. Females are more prone to OLIF-related cage subsidence. The measurement of CT attenuation values demonstrated strong reliability and consistency. Preoperative vertebral CT attenuation value classification correlates with bone density and subsidence risk, particularly at the L1 vertebra, and strongly predicts cage subsidence.
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