The reliability of computed tomography and magnetic resonance imaging grading of lumbar facet arthropathy in total disc replacement patients

Spine
Jonathan StieberJohn A Bendo

Abstract

Prospective inter-rater and intrarater reliability analysis. To compare the inter-rater and intrarater reliability of magnetic resonance imaging (MRI) and computed tomography (CT) for grading of facet arthropathy as well as determining whether there is a contraindication to total disc replacement (TDR). Several classifications attempted to evaluate lumbar facet joints and their degree of arthropathy. The Fujiwara-MRI and Pathrea-CT classifications remain the most commonly used. A total of 10 fellowship-trained orthopedic spine surgeons and 3 orthopedic spine fellows evaluated 50 levels from L3-L4 through L5-S1 on parallel axial MRI (T1 and T2) and CT images. The degree of osteoarthritis was graded on a 4-point scale (Fujiwara-MRI and Pathrea-CT). Surgeons evaluated whether the degree of facet disease represented a contraindication to TDR. Grading was performed during 2 sessions. Weighted kappa statistics were used to describe inter- and intraobserver agreement. The inter-rater reliability for MRI was 0.21 and 0.07 (fair to slight) among attendings and fellows, respectively. inter-rater reliability for CT was 0.33 and 0.27 (fair), respectively. The mean intrarater reliability for MRI was fair, 0.36 (attendings) and 0.26 (fellows...Continue Reading

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Citations

Sep 29, 2011·Neuroradiology·Linda BergAnsgar Espeland
Jun 26, 2010·Skeletal Radiology·Gerard P VarlottaLeon Rybak
Oct 24, 2013·AJR. American Journal of Roentgenology·Gustav AndreisekUNKNOWN Lumbar Spinal Stenosis Outcome Study Working Group Zurich
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Jul 4, 2018·La Radiologia medica·Elena MassoneEnzo Silvestri
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