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The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips

Henrik Baecker, MD
GERMANY

The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips

Carsten Heimer, BA, GERMANY Carsten Perka, MD, PhD, GERMANY Henrik Baecker, MD, GERMANY

Charite Berlin, Berlin, GERMANY

2021 Congress ePoster Presentation Not yet rated

Anatomic Location

Hip / Groin / Thigh

Anatomic Structure

Bones

Treatment / Technique

Osteotomy

Diagnosis Method

X-ray CT-Scan

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Summary: The femoral and acetabular torsion cannot be predicted from x-rays, the anteversion of the acetabulum correlates with the acetabular inclination angle, the hip lateralization index and eventually the beta angle in dysplastic hips

Background

To assess the degree of hip dysplasia two conventional radiographies of the pelvis (AP), including one axial view of the affected hip are performed to analyze the standard measures. However, little is known about the relation between the plain radiography and the acetabular torsion as well the other measurements of the rotational profile of the lower limb. Aim of this study was to investigate the impact of acetabular, femoral and rotational alignment between dysplastic and borderline dysplastic hips compared to conventional radiography.

Methods

Between 2017 and 2019, a retrospective trial was conducted including 56 borderline- and dysplastic hips at a mean age of 28.86 years (range from 18 to 46). Inclusion criteria consisted of symptomatic patients with hip dysplasia undergoing 2-dimensional radiography as well as computed tomography. On radiography the lateral center edge angle, acetabular arc, extrusion index, acetabular index and the sharp angle were measured, and the presence of crossover sign was noted. In computed tomography the full rotational profile of the lower limb was measured by a fellowship trained musculoskeletal radiologist.

Results

Significant correlations were observed in the overall analysis between the anteversion of the acetabulum and the hip lateralization index (mean 0.56, coefficient of regression (CoR) -32.35, p=0.011) as well as the acetabular inclination angle with a mean of 11.50 (CoR 0.544, p=0.018). Similar results were found in the subgroup of dysplastic hips with an acetabular inclination angle of 13.9 (p=0.013, CoR 0.74). For the borderline-dysplastic group no significances between the pelvis radiography and rotational CT were seen.

Conclusion

Although the femoral and acetabular torsion cannot be predicted from x-rays, the anteversion of the acetabulum correlates with the acetabular inclination angle, the hip lateralization index and eventually the beta angle in dysplastic hips. For borderline-dysplastic hips such results did not show up, which makes especially in these cases computed tomography indispensable for rotational analysis.

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Female Athletes Demonstrate Greater Improvement in Patient Reported Outcome Scores and Equal Return To Sport Rates Compared to Males After Hip Arthroscopy A Gender Based Matched Comparison of High-Level Athletes Abstract Presentation 4 minutes Andrew Jimenez, MD, UNITED STATES Rachel Glein, BS, UNITED STATES Kara Miecznikowski, BS, UNITED STATES Benjamin Saks, MD, UNITED STATES Hari Krishna Ankem, MD, UNITED STATES Payam William Sabetian, MD, GUATEMALA Benjamin G. Domb, MD, UNITED STATES
Correlation Between Arthro-MRI Results And Intraoperative Hip Arthroscopy Findings In Fai Syndrome ePoster Presentation Christian Sobau, MD, GERMANY Konstantinos Tramountanis, MD, GERMANY Wolfgang Miehlke, MD, GERMANY Alexander Zimmerer, MD, GERMANY
Clinical Predictors of Outcome Following Proximal Hamstring Tendon Repair ePoster Presentation Heath Patrick Gould, MD, UNITED STATES William Rate, MS, MD, UNITED STATES Matthew Civilette, MD, UNITED STATES John Hamilton, MD, UNITED STATES James Dreese, MD, UNITED STATES
The Relationship Between Early And Mid-Term Hip Arthroscopy Outcomes: Employing 3 Month Follow-Up To Predict Mid-Term Results Abstract Presentation 5 minutes Mario Hevesi, MD, PhD, UNITED STATES Ajay C. Lall, MD, MS, FAAOS, UNITED STATES David E. Hartigan, MD, UNITED STATES Bruce A. Levy, MD, UNITED STATES Benjamin G. Domb, MD, UNITED STATES Aaron J. Krych, MD, UNITED STATES
The Surgeon Mentor Program: Outcomes of Total Hip Arthroplasty via the Direct Anterior Approach ePoster Presentation Christopher J. Wilson, A/Prof, MBChB, MRCS, FRACS, PhD, AUSTRALIA Melinda Jiang, MD, AUSTRALIA Mark Inglis, FRACS BMBS B Med Sci FOrthoA, AUSTRALIA David Morris, MD, AUSTRALIA Nathan Eardley-Harris , MBBS, MClinSc, AUSTRALIA
Similar Joint Space Measurements Are Obtained With Supine And Weightbearing Anteroposterior Pelvis Radiographs: Results Of A Prospective Study Abstract Presentation 5 minutes Blake M. Bodendorfer, MD, UNITED STATES Vishal A. Mehta, DO, UNITED STATES Austin M Looney, MD, UNITED STATES Kenneth Tepper, MD, UNITED STATES
Hip Arthroscopic Portals:A New Approach Through Accessory Portals Established Within 3Cm Around Anterolateral Portal ePoster Presentation Kiran Kumar Shah, MD, NEPAL
A Prospective Comparison Of Groin-Related Complications Following Hip Arthroscopy With Versus Without A Perineal Post ePoster Presentation Iciar M Davila Castrodad, MD, UNITED STATES Matthew J. Kraeutler, MD, UNITED STATES Omer Mei-Dan, MD, UNITED STATES Anthony Scillia, UNITED STATES
Health Literacy in Hip Arthroscopy: A Quantitative Assessment of the Understandability and Readability of Online Patient Education ePoster Presentation Alan Shamrock, MD, UNITED STATES Burke Gao, MD, UNITED STATES Olivia O'Reilly, MD, UNITED STATES Mary Kate Skalitzky, BA, UNITED STATES Trevor Gulbrandsen, MD, UNITED STATES Michael C. Willey, MD, UNITED STATES Robert W. Westermann, MD, UNITED STATES
Can Hip Microinstability Be Predicted By Hip Range Of Motion Abstract Presentation 5 minutes Marc R. Safran, MD, Prof., UNITED STATES Justin Hopkins, MD, UNITED STATES Katia Elisman, BS, UNITED STATES Andrea Finlay, PhD, UNITED STATES Nicole Segovia Pham, MPH, UNITED STATES
Promis Validation In Hip Arthroscopy: A Shift Towards Reducing Survey Burden Abstract Presentation 4 minutes Erik Gerlach, MD, UNITED STATES Ryan S. Selley, MD, UNITED STATES Daniel Johnson, MD, UNITED STATES Richard W. Nicolay, MD, UNITED STATES Gregory Versteeg, MD, UNITED STATES Mark Andrew Plantz, BS, UNITED STATES Peter Swiatek, MD, UNITED STATES Eric Sanders, MD, UNITED STATES Bejan Alvandi, MD, UNITED STATES Vehniah K. Tjong, MD, FRCSC, UNITED STATES Michael Terry, MD, UNITED STATES
Arthroscopic Tendon Release for Iliopsoas Impingement after Total Hip Arthroplasty ePoster Presentation Michael Andreas Finsterwald, MD, AUSTRALIA Georgina Waters, MD, AUSTRALIA Jay R. Ebert, PhD, AUSTRALIA Christopher W. Jones, FAOrthA FRACS PhD MBBS(Hons) BEng(Hons) BCom, AUSTRALIA Piers Yates, MBBS(Hons) BSc(Hons) MRCS(Eng) FRCS(Tr & Orth) FRA, AUSTRALIA Peter Alberto D'Alessandro, MBBS Hons. (UWA) FRACS FAOrthA, AUSTRALIA
Capsular Complications And Subsequent Instability On The Rise As Indications For Revision Hip Arthroscopy ePoster Presentation Ryan S. Selley, MD, UNITED STATES Molly A Day, MD, UNITED STATES Reena Olsen, BS, UNITED STATES Cort D. Lawton, MD, UNITED STATES Matthew S. Dooley, MA, UNITED STATES Stephanie S Buza, MD, UNITED STATES Bryan T. Kelly, MD, UNITED STATES Anil S. Ranawat, MD, UNITED STATES Danyal H. Nawabi, MD, FRCS(Orth), UNITED STATES
Alpha Angle More Useful Than Femoral Head-Neck Offset to Predict Intra-Articular Damage in Patients with FAI Undergoing Hip Arthroscopy Abstract Presentation 5 minutes Jacob Shapira, MD, UNITED STATES Jade S Owens, BS, UNITED STATES David R. Maldonado, MD, UNITED STATES Philip Joseph Rosinsky, MD, UNITED STATES Hari Krishna Ankem, MD, UNITED STATES Bezalel Peskin, MD, ISRAEL Ajay C. Lall, MD, MS, FAAOS, UNITED STATES Benjamin G. Domb, MD, UNITED STATES
The Effect Of Osteochondroplasty On Time To Reoperation After Arthroscopic Management Of Femoroacetabular Impingement Abstract Presentation 5 minutes Jeffrey Kay, MD, CANADA Nicole Simunovic, MSc, CANADA Olufemi R. Ayeni, MD, PhD, MSc, FRCSC, CANADA FIRST Investigators, MD, CANADA

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The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips

The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips

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Conclusion

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The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips

The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips

Background

Methods

Results

Conclusion

More ISAKOS 2021: Global Content