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Similar Joint Space Measurements Are Obtained With Supine And Weightbearing Anteroposterior Pelvis Radiographs: Results Of A Prospective Study

Blake M. Bodendorfer, MD, UNITED STATES Vishal A. Mehta, DO, UNITED STATES Austin M Looney, MD, UNITED STATES Kenneth Tepper, MD, UNITED STATES

Georgetown University Medical Center, Washington, DC, UNITED STATES

2021 Congress Abstract Presentation 5 minutes Not yet rated

Anatomic Location

Hip / Groin / Thigh

Anatomic Structure

Cartilage

Diagnosis / Condition

Impingement

Treatment / Technique

Arthroscopy

Diagnosis Method

X-ray

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Summary: Previous literature has presented conflicting data as to whether weightbearing and supine radiographs present different measurements for joint space width at the hip; we demonstrate no significant difference between measurements obtained during weightbearing and supine radiographs, and thus, orthopaedic surgeons may be able to avoid obtaining multiple radiographs.

Introduction

Osteoarthritis and joint space narrowing of the hip have been correlated with poor outcomes and conversion to arthroplasty after hip arthroscopy. However, a standardized protocol for radiographic measurement of minimal joint space width of the hip has not been developed and there is conflicting data as to whether weightbearing and supine radiographs present different measurements for joint space width at the hip. We hypothesized that minimal joint space width would be significantly lower on the affected side in weightbearing anteroposterior pelvis radiographs versus supine radiographs. We also hypothesized that radiographs with single-leg stance would show the lowest minimal joint space width. Lastly, we hypothesized that patients older than 50 years would have significantly lower joint space width compared to younger patients.

Methods

Adult patients with hip pain were prospectively enrolled and each had single-leg and double-leg weightbearing and supine anteroposterior pelvis radiographs in a standardized position. Two independent investigators determined minimal joint space width by measuring joint space width at the lateral sourcil, middle sourcil and fovea of the hip. Differences between minimal JSW as well as interobserver reliability (interclass correlation coefficient, ICC) were calculated. One and 2-way analyses of variance (ANOVA) were used to compare the measurements. Power analysis determined that recruitment of 30 patients was necessary to achieve 90% power. P<0.05 was considered significant.

Results

Thirty-one consecutive adult patients were prospectively enrolled after informed consent and institutional review board approval. The mean ± SD age of participants was 53.8 ± 14.1. Female and male participants comprised 61.3% and 38.7% of the sample, respectively. Interobserver reliability was good (0.75 = ICC = 0.9) at the lateral sourcil and excellent (ICC > 0.9) at the middle sourcil and fovea. No significant differences in joint space width were found between supine or weightbearing radiographs for any pelvis site (P>0.770). Joint space width was significantly lower in those over 50 years of age as compared to younger patients for all stances (P=0.002).

Conclusion

These findings suggest that either weightbearing or supine anteroposterior pelvis radiographs can be used to evaluate hip joint space width. Thus, orthopaedic surgeons may be able to avoid obtaining multiple radiographs for patients who are being evaluated for hip preservation surgery presenting with hip pain.

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Outcomes of Associated Both Column Acetabular Fractures with and without a Posterior Wall Fracture ePoster Presentation George Bradley Reahl, MS, UNITED STATES Michael McTague, MPH, UNITED STATES Nishant Suneja, MD, UNITED STATES Arvind Von Keudell, MD, UNITED STATES
Covid Mortality Among Neck Of Femur Fractures During The Pandemic 2019 Abstract Presentation 5 minutes Aashish Raghu, MBBS, MS, MRCS, FRCS (Tr & Orth), UNITED KINGDOM Anas Hassan, MBBS, MRCS, UNITED KINGDOM Nicholas Dr Roeck, MB ChB, FRCS (ENG), FRCS (Tr&Orth), UNITED KINGDOM Mohamed Antar, MBBS, Master of Orthopaedics, MRCS, UNITED KINGDOM
Can Intra-Articular Gadolinium Confound The Results Of A Diagnostic Anesthetic Injection In Young Patients With Hip Pain? Abstract Presentation 5 minutes Daniel Curtis, MD, UNITED STATES William Michael Pullen, MD, UNITED STATES Christopher Jamero, MA, ATC, UNITED STATES Marc R. Safran, MD, Prof., UNITED STATES
Long Term Outcomes After Arthroscopic Treatment Of Femoroacetabular Impingement For Patients With Borderline Dysplasia Abstract Presentation 4 minutes Ryan S. Selley, MD, UNITED STATES Molly A Day, MD, UNITED STATES Reena Olsen, BS, 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
“X-Square” Technique For Radial Meniscal Root Tear ePoster Presentation Winyou Ratanachai, MD.M Ch(Orth)., THAILAND Keerati Klinchanhom, MD, THAILAND
Endoscopic Iliotibial Band Release During Hip Arthroscopy For Femoroacetabular Impingement Syndrome And External Snapping Hip Had Better Patient-Reported Outcomes: A Retrospective Comparative Study Abstract Presentation 5 minutes 春宝李, 医学博士，博士, CHINA Shanxing Zhang, MD, CHINA
Promis Mobility: Evaluation Of The Lower Extremity-Specific Instrument In A Sports Medicine Hip Registry ePoster Presentation Molly A Day, MD, UNITED STATES Ryan S. Selley, MD, UNITED STATES Kyle Hancock, MD, UNITED STATES Reena Olsen, BS, UNITED STATES Danyal H. Nawabi, MD, FRCS(Orth), UNITED STATES Benedict U. Nwachukwu, MD, MBA, UNITED STATES Stephanie S Buza, MD, UNITED STATES Anil S. Ranawat, MD, UNITED STATES Bryan T. Kelly, MD, UNITED STATES
Outcomes Of Revision Hip Arthroscopy Are Unaffected By Intraoperative Findings: A Matched Cohort Study ePoster Presentation Hari Krishna Ankem, MD, UNITED STATES Samantha Diulus, BS, UNITED STATES Cynthia Kyin, BA, UNITED STATES Jacob Shapira, MD, UNITED STATES Philip Joseph Rosinsky, MD, UNITED STATES Mitchell Meghpara, MD, UNITED STATES Ajay C. Lall, MD, MS, FAAOS, UNITED STATES Benjamin G. Domb, MD, UNITED STATES
Biomechanical Assessment of the Risk of Hip Injury During A 2,000m Ergometer Row Test Abstract Presentation 5 minutes Jordan Page Ankersen, BS, UNITED STATES Stephanie S Gardner, MD, UNITED STATES Bradley S Lambert, PhD, UNITED STATES Joshua D Harris, MD, UNITED STATES Patrick C. McCulloch, MD, UNITED STATES Michael R Moreno, PhD, UNITED STATES Shari Liberman, MD, UNITED STATES
Midterm Outcomes Following Hip Labral Augmentation Abstract Presentation 4 minutes Joseph J. Ruzbarsky, MD, UNITED STATES Rui Soares, BS, UNITED STATES Justin W. Arner, MD, UNITED STATES Lauren Pierpoint, PhD, UNITED STATES Maitland Martin, BS, UNITED STATES Spencer M Comfort, BS, UNITED STATES Marc J. Philippon, MD, UNITED STATES
Can Hip Pain Be Treated With Tibial Malrotation Correction? Abstract Presentation 5 minutes Vitali Goriainov, FRCS (Orth), BM, PhD, MSc, UNITED KINGDOM Mohamed Zubair Farook, MBBS, D.Ortho, FRCS (Orth), UNITED KINGDOM Rajiv Kaila, MRCS, MSc, MFSEM(UK), FEBOT, UNITED KINGDOM Tom CB Pollard, MD, FRCS (Tr & Orth), UNITED KINGDOM Antonio J. M. D. Andrade, MB BS, M.Sc., FRCS(Tr&Orth), UNITED KINGDOM
Hip Disorders in Bull Riders: Clinical Observations and Outcomes of Arthroscopy Abstract Presentation 6 minutes J.W. Thomas Byrd, MD, UNITED STATES Kay S. Jones, MSN, RN, UNITED STATES
Risk Factors For Early Conversion To Hip Arthroplasty Following Hip Arthroscopy: A Matched Cohort Analysis Abstract Presentation 4 minutes Joseph J. Ruzbarsky, MD, UNITED STATES Max Seiter, MD, UNITED STATES Rui Soares, BS, UNITED STATES Lauren Pierpoint, PhD, UNITED STATES Karen K. Briggs, MPH, MBS, UNITED STATES Marc J. Philippon, 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
Cannabis Use Is Not Associated With Increased Opioid Use Or Costs After Hip Arthroscopy Abstract Presentation 5 minutes Christopher L. McCrum, MD, UNITED STATES Jacob Thomas Wood, BS, UNITED STATES Senthil Sambandam, MD, UNITED STATES
Natural History Of Femoroacetabular Impingement: Using Machine Learning To Evaluate Risk Factors For Osteoarthritis In A Large Geographic Population Over The Long-Term Abstract Presentation 5 minutes Ayoosh Pareek, MD, UNITED STATES Sunho Ko, MD, KOREA, NORTH Heath Melugin, MD, UNITED STATES Changwung Jo, MD, KOREA, REPUBLIC OF Ryan R Wilbur, BS, UNITED STATES Bryant M. Song, MS, UNITED STATES Aaron J. Krych, MD, UNITED STATES
The Radiographical Influence Of Torsional Deformity Of The Acetabular And Femur In Dysplastic Hips ePoster Presentation Carsten Heimer, BA, GERMANY Carsten Perka, MD, PhD, GERMANY Henrik Baecker, MD, GERMANY
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

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Similar Joint Space Measurements Are Obtained With Supine And Weightbearing Anteroposterior Pelvis Radiographs: Results Of A Prospective Study

Similar Joint Space Measurements Are Obtained With Supine And Weightbearing Anteroposterior Pelvis Radiographs: Results Of A Prospective Study

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Methods

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Conclusion

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Similar Joint Space Measurements Are Obtained With Supine And Weightbearing Anteroposterior Pelvis Radiographs: Results Of A Prospective Study

Similar Joint Space Measurements Are Obtained With Supine And Weightbearing Anteroposterior Pelvis Radiographs: Results Of A Prospective Study

Introduction

Methods

Results

Conclusion

More ISAKOS 2021: Global Content