ArticleHawai'i journal of health & social welfare2026
Correlations of Alpha Angle on Preoperative Imaging with Intraoperative Fluoroscopy for the Evaluation of Cam Deformity: A Cross-Sectional Study.
Article in Hawai'i journal of health & social welfare, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Reliable preoperative imaging of femoroacetabular impingement is important for effective diagnosis and treatment. While numerous imaging techniques exist, their relative accuracy remains unclear. The purpose of this study was to evaluate the accuracy of preoperative standard hip radiographs and magnetic resonance imaging (MRI) axial and radial views compared to the gold standard of intraoperative fluoroscopy for cam-type femoroacetabular impingement. Data were collected from 93 patients who underwent femoroplasty for cam deformity between 2015 and 2020 by a single orthopedic surgeon. One-way analysis of variance with post-hoc pair-wise evaluation, Pearson correlation coefficients, and Bland-Altman plots were used to evaluate differences and agreement between the imaging modalities. The fluoroscopic alpha angle (62.3°±7°) was significantly different than the radiographic (58.5°±7.0°;
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