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Year : 2020  |  Volume : 10  |  Issue : 1  |  Page : 37-42

The iliac oblique judet view to assess post-operative healing and evaluate anterior acetabular coverage following bernese periacetabular osteotomy

1 Department of Orthopaedic Surgery, University of California San Francisco, Fresno, CA, USA
2 Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
3 Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC, USA

Correspondence Address:
Dr. Robert C Kollmorgen
Department of Orthopaedic Surgery, University of California San Francisco, 2823 Fresno Street, Fresno, CA 93721
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/DORJ.DORJ_1_20

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Background: Radiographic measurements defining anterior acetabular coverage show variability in the literature. A reliable radiographic measure to evaluate anterior acetabular coverage following the Bernese Periacetabular Osteotomy during the nonweight bearing healing phase would be helpful to evaluate the quality of reduction. Questions/Purposes: (1) To compare a new radiographic means to measure the Anterior Center Edge Angle (ACEA) on the iliac oblique (IO) Judet view with the ACEA on False Profile (FP) view with respect to intra-and inter-observer reliability and (2) To describe the utility of the Judet views as an alternative approach monitor postosteotomy healing. Methods: We defined and validated ACEA measurements for the FP and IO Judet View for 11 post-surgical periacetabular osteotomy (PAO) patients. Intraclass correlation coefficients with 95% confidence intervals were calculated for intra- and inter-observer reliability, Bland Altman plot was created, and paired t-tests were performed between the two sample measurements. Results: The intra-observer reliability for ACEA measurements was 0.987 and 0.983 for the FP and IO Judet views, respectively. The inter-observer reliability correlation coefficients were 0.978 and 0.934 for the FP and IO Judet views, respectively. When comparing measurements between the two surgeons, the mean standard deviation (SDV) for the FP group was within ± 2.5° for all observations. For the IO Judet group, the SDV was within ± 3.5°. Conclusion: This study demonstrates a new method of measuring the ACEA utilizing the IO Judet view for nonweight bearing postoperative PAO patients. The results of this study suggest that FP view is no longer necessary postoperatively for this population. Level of Evidence: III, diagnostic study.

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