Summary: Evaluating and grading the hip morphology of patients with borderline dysplasia is crucial since the clinical outcomes differ among the various clusters. Hip arthroscopy produces excellent results for stable anterolateral and lateral deficiency borderline hips.

Purpose

The aim of this study was to analyze a cohort with borderline dysplastic hips who were treated by hip arthroscopy to classify specify hip morphology subtypes according to radiographic abnormalities and to report the short-term clinical outcomes of these different clusters.

Methods

Patients with a lateral center-edge angle (LCEA) between 18° and 25° who underwent hip arthroscopy between January 2015 and December 2016 were examined. According to the radiographic parameters, including the LCEA, Femoro-Epiphyseal Acetabular Roof (FEAR) index, anterior and posterior wall index (AWI and PWI), Tönnis angle, alpha angle and femoral neck-shaft angle, a hierarchical cluster analysis was performed to identify the hip morphology subtypes. In addition, the International Hip Outcome Tool-12 (iHOT-12) and a pain visual analog scale (VAS) were applied preoperatively and at follow-up and compared among the different clusters.

Results

A total of 40 patients with an LCEA between 18° and 25° who underwent hip arthroscopy between January 2015 and December 2016 were identified. Thirty-six patients were available for evaluation at a mean follow-up of 43.8 months. In total, 4 different sex-independent clusters with different patterns of hip morphology were identified: cluster 1: the unstable anterolateral deficiency cluster; cluster 2: the stable anterolateral deficiency cluster; cluster 3: the stable lateral deficiency cluster; and cluster 4: the stable posterolateral deficiency cluster. At follow-up, all groups had significantly improved iHOT-12 (p<0.0001) and pain VAS scores (p=0.0001). Within the individual clusters, clusters 2 and 3 showed highly significant improvements, cluster 1 showed significant improvements, and cluster 4 showed no significant improvements.

Conclusion

Evaluating and grading the hip morphology of patients with borderline dysplasia is crucial since the clinical outcomes differ among the various clusters. Hip arthroscopy produces excellent results for stable anterolateral and lateral deficiency borderline hips. In contrast, borderline dysplastic hips with additional acetabular retroversion showed no improvement after arthroscopic therapy.

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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
Does MRI Scan Enable Optimally Informed Pre-Operative Planning In Hip Arthroscopy? Abstract Presentation 5 minutes Vitali Goriainov, FRCS (Orth), BM, PhD, MSc, UNITED KINGDOM Fadi Hindi, BM, MRCS, UNITED KINGDOM Andrew Langdown, BSc MB ChB FRCS(Tr&Orth), UNITED KINGDOM
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
Comparison Of Pull-Out Strength Following Ligamentum Teres Reconstruction In The Hip: Peek Corkscrew Suture Anchor Versus Cortical Button Fixation: A Cadaveric Study. Abstract Presentation 5 minutes Ajay C. Lall, MD, MS, FAAOS, UNITED STATES Hari Krishna Ankem, MD, UNITED STATES Samantha Diulus, BS, UNITED STATES Benjamin G. Domb, MD, UNITED STATES
Endoscopic Iliopsoas Lengthening For Treatment Of Recalcitrant Iliopsoas Tendinitis After Total Hip Arthroplasty Abstract Presentation 5 minutes Marc R. Safran, MD, Prof., UNITED STATES John Carlo Bonano, MD, UNITED STATES Christopher Jamero, MA, ATC, UNITED STATES Nicole Segovia Pham, MPH, UNITED STATES James I. Huddleston, MD, UNITED STATES
Hip Osteochondroplasty May Benefit The Non-Ideal Patient With Femoroacetabular Impingement: Analysis From The Embedded Prospective Cohort Of The First Trial Abstract Presentation 6 minutes Mahmoud Almasri, MD, FRCSC, UNITED STATES Nicole Simunovic, MSc, CANADA Diane Heels-Ansdell, MSc, CANADA Olufemi R. Ayeni, MD, PhD, MSc, FRCSC, CANADA FIRST Investigators, MD, CANADA
Efficacy Of Enoxaparin As A Thromboprophylactic Agent In Major Lower Limb Orthopedic Surgeries. ePoster Presentation Raghavendra Raju, MBBS,MS, INDIA Prasad Soraganvi, MBBS, MS, DNB, MRCS, SICOT-dip, INDIA
Treatment of Bilateral Hip Femoroacetabular Impingement: Simultaneous or Staged? Abstract Presentation 5 minutes Gen Lin Foo, MD, SINGAPORE Catherine J. Bacon, PhD, MSc, BSc, BPhed(Hons), NEW ZEALAND Matthew J. Brick, MBChB, FRACS, NEW ZEALAND
Hip Arthroscopy in Patients with Borderline Dysplasia. ePoster Presentation Leonel Perez Alamino, MD, ARGENTINA Daniel Fernando Veloz Serrano, Md, ARGENTINA Agustin Felipe Catan, MD, ARGENTINA Tomas Rafael Vilaseca, MD, ARGENTINA
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
Assessing Risk Of Osteonecrosis Of The Hip Following Intraarticular Injections: Hyaluronic Acid Versus Corticosteroid Abstract Presentation 5 minutes Nathan Varady, MD, MBA, UNITED STATES Ahab Chopra, BA, UNITED STATES Paul F Abraham, BS, UNITED STATES Michael Peter Kucharik, BS, UNITED STATES Christopher T Eberlin, BS, UNITED STATES David Freccero, MD, UNITED STATES Eric L. Smith, MD, UNITED STATES Scott D Martin, MD, UNITED STATES
Outcome Measures After Proximal Hamstring Repair: A Systematic Review ePoster Presentation Tara Reza, MPH, UNITED STATES Andre Gordon Perez-Chaumont, BS, UNITED STATES Andrew J Hinkle, BS, UNITED STATES Symone M Brown, MPH, UNITED STATES Mary K. Mulcahey, MD, UNITED STATES
The Quest For Optimal Femoral Anteversion Angle Measurements: A Comparative Advanced 3D Study Abstract Presentation 6 minutes Bert Van fraeyenhove, MD, BELGIUM Annemieke Van Haver, PhD, MSc, BELGIUM Jonas Grammens, MD, BELGIUM Gino Mestach, MD, BELGIUM Jeroen Verhaegen, MD, BELGIUM Peter Verdonk, MD, PhD, BELGIUM
Superior Outcomes With Routine Capsular Repair In Hip Arthroscopy Abstract Presentation 5 minutes Austin M Looney, MD, UNITED STATES Spencer M Comfort, BS, UNITED STATES Patrick T Connolly, BS, UNITED STATES Julia E McCann, MD, UNITED STATES Andrew Curley, MD, UNITED STATES William F. Postma, MD, UNITED STATES
Labral Size Correlates With Increasing Intraarticular Damage At Time Of Arthroscopy In Borderline Dysplastic Patients ePoster Presentation Jacob Shapira, MD, UNITED STATES Jeffrey Chen, BA, UNITED STATES Mitchell Yelton, BS, UNITED STATES Philip Joseph Rosinsky, MD, UNITED STATES David R. Maldonado, MD, UNITED STATES Mitchell Meghpara, MD, UNITED STATES Ajay C. Lall, MD, MS, FAAOS, UNITED STATES Benjamin G. Domb, MD, UNITED STATES

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Is Arthroscopy An Adequate Therapy For All Borderline Dysplastic Hips? Correlation Between Radiologic Findings And Clinical Outcomes

Is Arthroscopy An Adequate Therapy For All Borderline Dysplastic Hips? Correlation Between Radiologic Findings And Clinical Outcomes

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Is Arthroscopy An Adequate Therapy For All Borderline Dysplastic Hips? Correlation Between Radiologic Findings And Clinical Outcomes

Is Arthroscopy An Adequate Therapy For All Borderline Dysplastic Hips? Correlation Between Radiologic Findings And Clinical Outcomes

Purpose

Methods

Results

Conclusion

More ISAKOS 2021: Global Content