A Clinical Comparison of Linear- and Surface Area-Based Methods of Measuring Glenoid Bone Loss

The American Journal of Sports Medicine
Neil K BakshiAsheesh Bedi

Abstract

The purpose of this study was to determine whether linear-based measurement significantly overestimates glenoid bone loss in comparison with surface area-based measurement in patients with recurrent anterior shoulder instability and glenoid bone loss. Linear-based measurement will significantly overestimate glenoid bone loss in comparison with surface area-based measurement in patients with anterior shoulder instability and glenoid bone loss. Cohort study (diagnosis); Level of evidence, 3. Thirty patients with anterior shoulder instability underwent preoperative bilateral shoulder computed tomography (CT) scans. Three-dimensional CT (3D-CT) reconstruction with humeral head subtraction was performed to obtain an en face view of the 3D-CT glenoid. Glenoid bone loss was measured with the surface area and linear methods of measurement. Statistical analysis was performed with a paired 2-tailed t test. Twenty-eight patients (5 female and 23 male; mean age, 25.1 years; age range, 15-58 years) were included in the study; 17 patients underwent a glenoid augmentation procedure, and 11 underwent arthroscopic Bankart repair. The mean percentage glenoid bone loss calculated with the surface area and linear methods was 12.8% ± 8.0% and 17.5%...Continue Reading

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Citations

Mar 15, 2019·The American Journal of Sports Medicine·Neil K BakshiAsheesh Bedi
Mar 15, 2019·The American Journal of Sports Medicine·Lukas P E VerweijMichel P J van den Bekerom
Oct 28, 2019·Chinese Medical Journal·Yong-Gang WuChun-Yan Jiang
Jul 28, 2020·Sports Health·Benjamin J LevyRobert A Arciero
Apr 4, 2020·Magnetic Resonance Imaging Clinics of North America·Christopher J BurkeSoterios Gyftopoulos
Mar 26, 2021·The Journal of Bone and Joint Surgery. American Volume·Ryan T LiAlbert Lin

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