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Reliability and Reproducibility of CT-Based Facet Joint Measurements in Patients With AOSpine Type A2, A3, and A4 Thoracolumbar Fractures
Sponsor: Sklifosovsky Institute of Emergency Care
Summary
The Reliability Evaluation of Facet joint Assessment by Computed Tomography in thoracolumbar fractures (REFACT) study aims to evaluate how consistently different specialists assess thoracolumbar facet joints on computed tomography (CT) images in patients with AOSpine type A2, A3, or A4 thoracolumbar fractures. The main questions are: * How consistently do different raters classify facet joint degeneration using the Pathria grading system? * How consistently do different raters measure facet joint angle and mean facet joint space width on CT images? * How reproducible are these assessments when the same rater repeats the measurements after a one-month interval? The study will use anonymized retrospective CT DICOM datasets obtained from the institutional imaging archive. Six independent raters (three neurosurgeons and three radiology specialists) will evaluate the same CT datasets using a standardized measurement protocol. Each rater will perform two independent assessment rounds separated by a one-month washout period. The results will be used to determine the inter-rater and intra-rater reliability of qualitative and quantitative CT-based facet joint assessment methods.
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
OBSERVATIONAL
Enrollment
12
Start Date
2026-08-01
Completion Date
2026-12-01
Last Updated
2026-07-15
Healthy Volunteers
No
Conditions
Interventions
Computed Tomography Image Review
Independent review of anonymized thoracolumbar CT scans by six raters for assessment of degenerative changes in facet joints and intervertebral discs using the Pathria scale, as well as measurement of facet joint space width and angulation.
Locations (1)
Sklifosovsky Research Institute for Emergency Medicine
Moscow, Russia