Summary: This study investigated whether an association exists between the presence, grade, and location of chondral lesions and postoperative pain after ACL reconstruction.

Introduction

The presence of meniscal and chondral lesions at the time of ACL reconstruction is associated with worse patient reported outcomes. Few studies have examined the relationship between specific location and grades of chondral lesions and patient reported outcomes. The purpose of this study is to determine if there is an association between the presence, grade, and location of chondral lesions and postoperative pain after ACL reconstruction.

Methods

We examined the electronic health records of 137 patients who underwent ACL reconstruction by a single orthopedic surgeon from January 1, 2018 through March 1, 2021. Variables that were analyzed included age, body mass index (BMI), mechanism of injury, interval between injury and surgery, pre-operative clinical Lachman grade, pre-operative pivot test grade, and the type of graft utilized. Pre-operative MRIs and arthroscopic reports for each patient were analyzed for the presence and locations of meniscal injury, chondral injury, and bone marrow edema. The primary outcome of interest was pain at the most recent follow-up visit, excluding the initial 3 postoperative visits (3 days, 2 weeks, and 6 weeks post-surgery). Patients were excluded if they did not attend any post-operative visits beyond the initial 3 postoperative visits. Relationships between qualitative variables and the presence of pain were analyzed with Chi-square statistics. The crude odds ratio (OR) of the occurrence of pain after surgery was calculated using the univariate logistic regression method.

Results

We identified 137 patients who underwent ACL reconstruction from January 1, 2018 through March 1, 2021. The age range was 14 to 71 years, with 80 males and 57 females. In this patient group, 41 patients (29.9%) reported pain complications at their most recent follow-up. Patients were stratified based on age into younger than 19, 20-39 years, and older than 40 years, which revealed that the crude odds ratio of pain occurrence after surgery was 4.16 (p=0.008) in patients older than 40 compared to those younger than 19 years. There were also statistically significant crude odds ratios when analyzing BMI (p=0.027), mechanism of injury (p=0.006), interval between injury and surgery (p=0.042), and the choice of graft used in reconstruction (p=0.002). Although no significant relationship was identified when analyzing those with a Grade 3 or 4 chondral lesion and post-operative pain, there was a significant relationship between the presence of Grade 3 or 4 chondral lesions and age, with 42.4% of patients 40 years or older having a concomitant Grade 3 or 4 chondral lesion and an odds ratio of 14.73 (p<0.001) compared to those less than 19 years of age. No significant relationships were identified between the locations of the chondral lesions and postoperative pain.

Discussion

Pain is a significant complication post ACL reconstruction. Age greater than 40, BMI, mechanism of injury, choice of ACL graft, and interval between injury and time of surgery are predictors of post-operative pain. Additionally, an age greater than 40 years was associated with a statistically significant increase in the prevalence of Grade 3 & 4 chondral lesions. Thus, the presence of Grade 3 or 4 chondral lesions likely has an association with post-operative pain in patients with age greater than 40 years.

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Does Delaying First Revision ACLR Result in Poorer Outcomes? Evaluation of Association Between Surgical Timing and Outcomes ePoster Presentation Bryce Dzubara, BS, UNITED STATES Parker Cavendish, BS, UNITED STATES Eric Milliron, BS, UNITED STATES James C. Kirven, BS, UNITED STATES Spencer E. Talentino, MD, UNITED STATES Ryan H. Barnes, MD, UNITED STATES Charles Qin, MD, UNITED STATES David C. Flanigan, MD, UNITED STATES Robert A. Duerr, MD, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES Robert A Magnussen, MD, MPH, UNITED STATES
Morphological Evaluation Of The Quadriceps Tendon Using Preoperative Ultrasound In Anterior Cruciate Ligament Reconstruction ePoster Presentation Satoshi Takeuchi, MD, PhD, JAPAN Kevin J Byrne, MD, UNITED STATES Ryo Kanto, MD, JAPAN Kentaro Onishi, DO, UNITED STATES
Ideal Combination Of Anatomic Tibial And Femoral Tunnel Positions for Single-Bundle ACL Reconstruction ePoster Presentation Kyoung-Ho Yoon, MD, PhD, Prof., KOREA, REPUBLIC OF Cheol Hee Park, MD, PhD, KOREA, REPUBLIC OF Sang-Gyun Kim, MD, PhD, KOREA, REPUBLIC OF Jae-Young Park, MD, KOREA, REPUBLIC OF Yoon-Seok Kim, MD, KOREA, REPUBLIC OF Hee Sung Lee, MD, KOREA, REPUBLIC OF Sung Hyun Hwang, MD, KOREA, REPUBLIC OF Dae Keun Suh, MD, PhD, KOREA, REPUBLIC OF Bo Seung Bae, MD, KOREA, REPUBLIC OF
Low Revision Risk In Primary Anterior Cruciate Ligament Reconstruction With Allograft In The Masters Athlete ePoster Presentation Ian DeYoe Engler, MD, UNITED STATES Audrey Y. Chang, BA, UNITED STATES Janina Kaarre, MD, MSc, UNITED STATES Michael Shannon, BS, UNITED STATES Andrew Curley, MD, UNITED STATES Clair Smith, MSc, UNITED STATES Jonathan D Hughes, MD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES
Sex-Based Difference of the Most Common Autograft Sources for ACL Reconstruction Measured on Knee MRI ePoster Presentation Giovanna Medina, MD, MSc, PhD, UNITED STATES Maria Virginia Velasquez-Hammerle, MD, UNITED STATES Miho J. Tanaka, MD, PhD, UNITED STATES
Clinical Outcomes and Return to Sport After Quadriceps Tendon Autograft ACL Reconstruction: Comparison to Bone-Patellar Tendon-Bone Autograft at a Minimum 2-Year Follow-Up ePoster Presentation Evan W. James, MD, UNITED STATES Dakota Adamec , BS , UNITED STATES Per-Henrik Randsborg, MD, PhD, NORWAY Joseph T. Nguyen, MPH, UNITED STATES Robert G. Marx, MD, UNITED STATES Answorth A. Allen, MD, UNITED STATES Frank A. Cordasco, MD, MS, UNITED STATES Benedict U. Nwachukwu, MD, MBA, UNITED STATES Danyal H. Nawabi, MD, FRCS(Orth), UNITED STATES
Revision Anterior Cruciate Ligament Reconstruction with All Soft Tissue Quadriceps Tendon Autograft and Quadriceps Tendon Autograft with Bone Block Have Similar Clinical Outcomes ePoster Presentation Asher B Mirvish, BA, UNITED STATES Joshua C Setliff, BA, UNITED STATES Ehab M Nazzal, MD, UNITED STATES Nicholas P Drain, MD, UNITED STATES Zachary J Herman, MD, UNITED STATES Clair Smith, MSc, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES Jonathan D Hughes, MD, UNITED STATES
The Statistical Fragility Of Clinical Trials Comparing Bone-Patellar Tendon-Bone Versus Hamstring Tendon Autografts In Anterior Cruciate Ligament Reconstruction Surgery: A Systematic Review ePoster Presentation Jeffrey Okewunmi, BS, UNITED STATES Zakaria Chakrani, BA, UNITED STATES John K Cordero, MD, UNITED STATES Robert L Parisien, MD, UNITED STATES
Lower Socioeconomic Status Adversely Affects Timing of Care and Rate of Re-Injury Following Anterior Cruciate Ligament Reconstruction ePoster Presentation Eduardo J Natal-Albelo, MD, UNITED STATES Rachel E Cherelstein, BS, UNITED STATES Christopher M Kuenze, PhD, UNITED STATES Andrew Curley, MD, UNITED STATES Blake M. Bodendorfer, MD, UNITED STATES Mark Hopkins, MD, UNITED STATES Christine Conroy, MD, UNITED STATES Caroline Fryar, MD, UNITED STATES David X. Wang, MD, UNITED STATES Edward S. Chang, MD, UNITED STATES
A Bifactor Model Supports Unidimensionality of the IKDC in Young Active Patients with ACL Tears ePoster Presentation Hana Marmura, BSc, CANADA Paul Tremblay, PhD, CANADA Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, CANADA Dianne M. Bryant, PhD, CANADA
Knee Joint Kinematics under Weight Bearing Condition in ACL Injured Knees – An Imaging Study of Upright Computed Tomography ePoster Presentation Yuhei Yoda, MD, JAPAN Kengo Harato, MD, PhD, JAPAN Kazuya Kaneda, MD, JAPAN Ryo Sasaki, MD, JAPAN Yoshitake Yamada, MD, PhD, JAPAN Yasuo Niki, MD, PhD, JAPAN Shu Kobayashi, MD, PhD, JAPAN Masaya Nakamura, MD, PhD, JAPAN Masahiro Jinzaki, MD, PhD, Prof., JAPAN Takeo Nagura, MD, JAPAN
Comparable Primary Stability Between Current-Generation Adjustable Loop Cortical Buttons for Anterior Cruciate Ligament Reconstruction – A Biomechanical Study ePoster Presentation Adrian Deichsel, MD, GERMANY Lara Leibrandt, cand. med., GERMANY Michael J. Raschke, MD, Prof., GERMANY Matthias Klimek, M. Sc., GERMANY Jens Wermers, MD, GERMANY Christian Peez, MD, GERMANY Thorben Briese, MD, GERMANY Elmar Herbst, MD, PhD, GERMANY Christoph Kittl, MD, MD(res), GERMANY Johannes Glasbrenner, MD, GERMANY
ACL Repair Versus ACL Reconstruction: A Propensity Matched Study ePoster Presentation Adnan Saithna, MD, FRCS, UNITED STATES Alexandre Ferreira, MD, FRANCE Alessandro Carrozzo, MD, ITALY Sylvain Guy, MD, FRANCE Thais Dutra Vieira, MD, FRANCE Johannes Barth, MD, Prof., FRANCE Bertrand Sonnery-Cottet, MD, PhD, FRANCE
Acceptable Clinical Outcomes Despite High Reoperation Rate at Minimum 12-Month Follow-Up after Concomitant Arthroscopically Assisted Anterior Cruciate Ligament Reconstruction and Medial Meniscal Allograft Transplantation ePoster Presentation Dhruv Sundar Shankar, BS, UNITED STATES Kinjal Vasavada, BA, UNITED STATES Amanda Avila, MPH, UNITED STATES Brittany DeClouette, MD, UNITED STATES Hadi Aziz, BS, UNITED STATES Eric Jason Strauss, MD Michael J Alaia, MD, UNITED STATES Laith M. Jazrawi, MD, UNITED STATES Guillem Gonzalez-Lomas, MD, UNITED STATES Kirk Anthony Campbell, MD, UNITED STATES
Delaying ACL Reconstruction Increases the Rate and Severity of Medial Compartment Chondral Injury ePoster Presentation Nicolas Cance, Resident, FRANCE Julien Erard, MD, FRANCE Jobe Shatrov, MD, AUSTRALIA Gaspard Fournier, MD, FRANCE Stanislas Gunst, MD, FRANCE Gianluca Ciolli, MD, ITALY Pasquale Porcelli, MD, ITALY Sebastien Lustig, MD, PhD, FRANCE Elvire Servien, MD, PhD, Prof., FRANCE
The Relationship Between Preoperative Static Anterior Tibial Subluxation and Graft Maturation on MRI After Double-Bundle Anterior Cruciate Ligament Reconstruction ePoster Presentation Shigehiro Asai, MD, JAPAN Hideaki Fukuda, MD, JAPAN Takahiro Ogura, MD, JAPAN Kenji Takahashi, MD, PhD, JAPAN
The PCL-PCA Angle: A New Simple and Reliable MRI Method to Describe Anterior Tibial Translation in ACL-Deficient Knees ePoster Presentation Romain Seil, MD, Prof., LUXEMBOURG Renaud Siboni, MD, PhD student, FRANCE Charles Pioger, MD, FRANCE Caroline Mouton, PhD, LUXEMBOURG
Fear Of Reinjury Following Primary Anterior Cruciate Ligament Reconstruction (ACLR): A Systematic Review ePoster Presentation Basit Mir, MB, BcH, BAO, LRCP and Si, CANADA Prushoth Vivekanantha, BMSc, CANADA Saihaj Dhillon, BHSc, CANADA Odette Cotnareanu, BSc, CANADA Dan Cohen, MD, CANADA Kanto Nagai, MD, PhD, JAPAN Darren L. de SA, MBA(c), MD FRCSC, CANADA
Adverse Events And Complications Reported In Prospective Versus Retrospective Investigations Of ACLR with BTB Autograft: A Systematic Review ePoster Presentation Garrett Jackson, MD, UNITED STATES Harkirat Jawanda, BS, UNITED STATES Enzo Salviato Mameri, MD, MSc, BRAZIL Zeeshan Khan, BA, UNITED STATES Johnathon Robert Mccormick, MD, UNITED STATES Derrick Michael Knapik, MD, UNITED STATES Nikhil N. Verma, MD, UNITED STATES Jorge Chahla, MD, PhD, UNITED STATES
Peri-Operative Complications, Safety, and Early Outcomes of a Novel ACL + ALL Reconstruction Technique Using Iliotibial Band Autograft vs. Patellar Tendon ACL Reconstruction: A Retrospective Pilot Study of the Saturn Study Group ePoster Presentation Ben E. Heyworth, MD, UNITED STATES Joshua H. Pang, BA, UNITED STATES Yi-Meng Yen, MD, UNITED STATES Dennis Kramer, MD Mininder Kocher, MD, MPH, UNITED STATES
An Evaluation Of The Relationship Between The Knee Stability And Remnant Re-Attachment In Anterior Cruciate Ligament Injury ePoster Presentation YUSUKE SASAKI, MD, JAPAN Satomi Abe, MD, PhD, JAPAN Keisuke Matsukura, UNITED STATES
Comparison of the Tissue Molecular Profile Of ACL Repair, ACL Reconstruction, and Native ACL ePoster Presentation Edoardo Monaco, MD, ITALY Danilo Ranieri, MD, ITALY Alessandro Annibaldi, MD, ITALY Alessandro Carrozzo, MD, ITALY Fabio Marzilli, MD, ITALY Vincenzo Visco, Prof., ITALY Andrea Ferretti, Prof., ITALY
Investigation of the Effect Of Anterior Cruciate Ligament Injury on the Axial Rotation of the Knee Joint ePoster Presentation Kenjiro Okimura, MD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Kyohei Nishida , MD, PhD, JAPAN Kanto Nagai, MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Factors Associated with Knee Extension Strength Symmetry Following Anterior Cruciate Ligament Reconstruction with Quadriceps Tendon Autograft ePoster Presentation Justin James Greiner, MD, UNITED STATES Nicholas P Drain, MD, UNITED STATES Joshua C Setliff, BA, UNITED STATES Romano Sebastiani, BS, UNITED STATES Zachary J Herman, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Jonathan D Hughes, MD, UNITED STATES
Patients Undergoing Reconstruction For Multi-Ligament Knee Injuries Caused By Pivoting Sports Restore Function And Return to Sport at a Similar Level to Their Isolated ACL Counterparts: A Prospective Matched Cohort Study ePoster Presentation Jay R. Ebert, PhD, AUSTRALIA Peter Edwards, PhD, AUSTRALIA Shahbaz S Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM Stephen Dalgleish, MBChB, MRCS, FRCS, UNITED KINGDOM Antony Raymond, FRCS, UNITED KINGDOM Randeep Singh Aujla, MBChB ChM FRCS (Tr&Orth) MFSEM, UNITED KINGDOM Robert Evans, MD, AUSTRALIA Michael Andreas Finsterwald, MD, AUSTRALIA Uriel Giwnewer , MD, ISRAEL Ashley Iain Simpson, BA(Hons), MBBS, MSc, MA(Cantab), FRCS(Tr&Orth), UNITED KINGDOM Sat Gohil, MBBS, FRACS(Ortho), AUSTRALIA Peter Alberto D'Alessandro, MBBS Hons. (UWA) FRACS FAOrthA, AUSTRALIA
Tibial Slope in Anterior Cruciate Ligament Deficient Knees Does Not Affect the Incidence of Concomitant Ligamentous Injuries ePoster Presentation Khai Cheong Wong, MBChB, MRCS (Eng), SINGAPORE Merrill Lee, MBBS, MRCS(Edin), SINGAPORE Mark H.X. Yeo, MBBS, SINGAPORE Shawn Js Seah, MBBS, SINGAPORE Glen Ho, MBBS, SINGAPORE Paul Chee Cheng Chang, MBBS,FRCS, SINGAPORE Denny T. T. Lie, MBBS, FRCS, FAMS, SINGAPORE
Elevated Posterior Tibial Slope is Associated with Anterior Cruciate Ligament Reconstruction Failures: A Systematic Review and Meta-Analysis ePoster Presentation Benjamin Ormseth, BS, UNITED STATES Jeremy Adelstein, BS, UNITED STATES Andrew Garrone, MD, UNITED STATES Alex C. Dibartola, MD, MPH, UNITED STATES Ryan H. Barnes, MD, UNITED STATES Charles Qin, MD, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES David C. Flanigan, MD, UNITED STATES Robert Siston, PhD, UNITED STATES Robert A Magnussen, MD, MPH, UNITED STATES Robert A. Duerr, MD, UNITED STATES
Functional Results in Anterior Cruciate Ligament Reconstruction with Hybrid Grafts ePoster Presentation David H. Figueroa, MD, CHILE Maria Loreto Figueroa Berrios, MD, CHILE Alexandra Feuereisen, MD, CHILE Rafael Calvo, MD, CHILE Alex Vaisman, MD, Prof., CHILE
Is Asymmetry of the Medial and Lateral Posterior Femoral Condyles Associated With ACL Rupture? A Case-Control Study of Pediatric Patients ePoster Presentation Nicolas Pascual-Leone, BA, UNITED STATES Danielle E Chipman, BS, UNITED STATES Danielle S Gorelick, NP, UNITED STATES Peter D. Fabricant, MD, MPH, UNITED STATES Russell F. Warren, MD, UNITED STATES Douglas Mintz, MD, UNITED STATES Daniel W. Green, MD, MS, UNITED STATES
Comparison of Clinical Outcomes between a Bone-Patellar Tendon-Bone and Quadriceps Tendon-Bone Autografts in Anatomic Rectangular Tunnel Anterior Cruciate Ligament Reconstruction ePoster Presentation Kazunori Shimomura, MD, PhD, Prof., JAPAN Yasukazu Yonetani, MD, PhD, JAPAN Ayaka Tanaka, MD, JAPAN Akira Tsujii, MD, PhD, JAPAN Masayuki Hamada, MD, JAPAN
Posterior Tibial Plateau Compression Fractures Coinciding with ACL Injury: Means of Identification, Treatment Decision-Making Process and Clinical Relevance of Proposed MRI-Based Classification System ePoster Presentation Robert Smigielski, MD, PhD, POLAND Beata Ciszkowska-Lyson, PhD, POLAND Aleksandra Zielinska, MA, BSc, POLAND Christian Fink, MD, Prof., AUSTRIA Mirco Herbort, MD, Prof., GERMANY
Influence Of Femoral Tunnel Interference Screw Diameter On Pull-Out Strength And Failure Mode During Anterior Cruciate Ligament Reconstruction: A Biomechanical Study ePoster Presentation Jason G Ina, MD, UNITED STATES Mark Megerian, BS, UNITED STATES Derrick Michael Knapik, MD, UNITED STATES Jacob Giovanni Calcei, MD, UNITED STATES Clare M Rimnac, PhD James E. Voos, MD
Biomechanical Changes at the Knee Joint between Pre- and Post-Operative Gait in Patients with ACL Injury ePoster Presentation Kohei Nishizawa, PhD, JAPAN Kengo Harato, MD, PhD, JAPAN Shu Kobayashi, MD, PhD, JAPAN Yasuo Niki, MD, PhD, JAPAN Takeo Nagura, MD, JAPAN
Contralateral ACL Rupture is More Common than ACL Graft Rupture in Australian Netballers After ACL Reconstruction ePoster Presentation Conor Honeywill, MD, B. Phty, AUSTRALIA Lucy J. Salmon, PhD, AUSTRALIA Leo A. Pinczewski, MBBS, FRACS, FAOA, AUSTRALIA Keran Sundaraj, MBBS MCs (Trauma) FRACS FAOA, AUSTRALIA Justin P. Roe, FRACS, A/Prof., AUSTRALIA
Short-Term Outcomes of All-Inside Anterior Cruciate Ligament Reconstruction by the Trans-Femoral Approach ePoster Presentation Toshiaki Takahashi, MD, PhD, Prof., JAPAN Seiji Watanabe, MD, JAPAN
Comparing the Accuracy of Tunnel Placement and Patient Reported Outcome Measures when Doing Arthroscopic ACL Reconstruction With and Without Indigenously Designed Grid and Image Intensifier ePoster Presentation Sudeep Kumar, MS (Orthopaedics), INDIA
Which Is Better for Anterior Cruciate Ligament Supplementary Fixation: Suture Anchor Or Staple? A Biomechanical Study ePoster Presentation Gen Lin Foo, MD, SINGAPORE Linyun Zhang, Master of Engineering in Engineering Mechanics, SINGAPORE Desmond Yok Rue Chong, PhD, SINGAPORE
Technology Assisted Anterior Cruciate Ligament Reconstruction Improves Tunnel Placement but Leads to No Change in Clinical Outcomes: A Systematic Review and Meta-Analysis ePoster Presentation Ehsan Yavari, HBSc, CANADA Sabreena Moosa, HBSc, CANADA Dan Cohen, MD, CANADA Darren L. de SA, MBA(c), MD FRCSC, CANADA
Steeper Lateral Posterior Tibial Slope And Greater Lateral-Medial Slope Asymmetry are Associated With Greater Preoperative Pivot-Shift In Anterior Cruciate Ligament Injury ePoster Presentation Kiminari Kataoka, MD, JAPAN Kanto Nagai, MD, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Masashi Shimabukuro, JAPAN Kyohei Nishida , MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Does Contamination During Harvesting as Well As During Suture Preparation and Manipulation of the Hamstrings Graft for Anterior Cruciate Ligament Reconstruction Correlates With Postoperative Infection? ePoster Presentation Stefanos Christos Papageorgiou, MD, GREECE Tilemachos Papageorgiou, MD, GREECE Errikos Petkidis, Md , GREECE Christos D. Papageorgiou, MD, PhD, GREECE
Quad Versus Patella Tendon Autograft for Anterior Cruciate Ligament Reconstruction In Young Athletes ePoster Presentation Cory Riccio, MD, UNITED STATES Nathan Fackler, MD, UNITED STATES Christopher M Kuenze, PhD, UNITED STATES Tarun Vippa, BS, UNITED STATES Sarah Powell, MD, UNITED STATES Rachel E Cherelstein, BS, UNITED STATES Edward S. Chang, MD, UNITED STATES
A Comparison of Postoperative Outcomes Between Internal Brace Augmented and Non-Augment Hamstring Tendon Autograft Anterior Cruciate Ligament Reconstruction (ACLR) ePoster Presentation Maria Melanie Legaspi Valbuena, MD, MBA, PHILIPPINES Raphael Coligado Jurilla, MD, PHILIPPINES Patrick How, PHILIPPINES Jason Paul Santiago, MD, PHILIPPINES
Elevated Tibial Spine Height as a Predictor of Reinjury after Anterior Cruciate Ligament Reconstruction ePoster Presentation Naofumi Hashiguchi, MD, JAPAN Atsuo Nakamae, MD, PhD, JAPAN Goki Kamei, MD, PhD, JAPAN Masakazu Ishikawa, MD, PhD, JAPAN Nobuo Adachi, MD, PhD, JAPAN
Postoperative MRI following QT- ACLR and its Relevance for Rehabilitation ePoster Presentation Magdalena Stawinska, MPT, POLAND Marcin Plenzler, MPT, POLAND Robert Smigielski, MD, PhD, POLAND Beata Ciszkowska-Lyson, PhD, POLAND
Optimal Joint Loading Strategies to Lessen Cartilage Changes after ACL Reconstruction Differ Throughout the Postoperative Recovery ePoster Presentation Dalton House, BS, UNITED STATES Sawyer Blair, BS, UNITED STATES Cale A. Jacobs, PhD, UNITED STATES Caitlin Conley, PhD, UNITED STATES Darren L. Johnson, MD, UNITED STATES Austin V Stone, MD, PhD, UNITED STATES
Urinary CTX-II, Serum MMP-3 And Serum PIIANP Following Anterior Cruciate Ligament Reconstruction: A Pilot Study ePoster Presentation Lachlan Batty, FRACS, AUSTRALIA Julian A. Feller, FRACS, FAOrthA, AUSTRALIA Timothy S. Whitehead, MBBS, FRACS, AUSTRALIA Brian M. Devitt, MD, PhD, FRCS, FRACS, IRELAND Kate E. Webster, PhD, AUSTRALIA
Short-Term Clinical Outcomes of Remnant-Preserving Single-Bundle Augmentation in Anterior Cruciate Ligament Reconstruction: Comparison with Single- and Double-Bundle Reconstruction ePoster Presentation Mariko Osugi, MD, JAPAN Atsuo Nakamae, MD, PhD, JAPAN Kazuhiro Tsukisaka, MD, , JAPAN Masataka Deie, MD, PhD, Prof., JAPAN Nobuo Adachi, MD, PhD, JAPAN
The Effect of Laterality on Patient Outcomes in Mulitligamentous Knee Injury ePoster Presentation Thomas M. Geissler, BS, UNITED STATES Jacob T. Hall, MD, UNITED STATES Jonathan Campbell, MD, UNITED STATES
A Novel Quantitative Assessment of Bone Tendon Junction Healing in Patients after ACL Reconstruction by High Resolution Peripheral Computer Tomography: The Development of a Deep-Learning System ePoster Presentation Michael Ong, MBChB(UK), BSc(UK), MRCS(Edin), MSc(CUHK), FRCSEd, HONG KONG Patrick S. H. Yung, MBChB, FRCS(Orth), FHKCOS, FHKAM, FRCS, HONG KONG
Bone–Patellar Tendon–Bone Autograft and Female Sex are Associated with the Presence of Cyclops Lesions and Syndrome After Anterior Cruciate Ligament Reconstruction ePoster Presentation Tomohiro Tomihara, MD, JAPAN Yusuke Hashimoto, MD, PhD, JAPAN Kazuya Nishino, MD, JAPAN Shuko Tsumoto, MD, JAPAN
Hamstring Allograft versus Autograft in Primary Anterior Cruciate Ligament Reconstruction ePoster Presentation Paul Ruckenstuhl, MD, Msc, AUSTRIA Patrick Sadoghi, MD, AUSTRIA Gerald Gruber, MD, Prof., AUSTRIA Andreas Leithner, MD, Prof., AUSTRIA Stefan Fischerauer, MD, MSc, PhD, AUSTRIA
Anatomic ACL Reconstruction with Quadriceps Tendon Graft Resulted in Equivalent Knee Laxity Compared to Hamstring Tendon Graft ePoster Presentation Katrin Karpinski, MD, GERMANY Martin Häner, MD, GERMANY Theresa Diermeier, MD, GERMANY Wolf Petersen, MD, Prof, GERMANY
Adhesion Between the Anterior Cruciate Ligament Grafts and the Transverse Ligament of the Menisci: An effect of Arthroscopic Release ePoster Presentation Masashi Kusano, MD, PhD, JAPAN Keisuke Kita, MD, PhD, JAPAN Ryohei Uchida, MD, PhD, JAPAN Yukiyoshi Toritsuka, MD, PhD, JAPAN
Novel Arthrometer Provides Quantitative and Objective Measures of Uniplanar and Multiplanar Knee Laxity ePoster Presentation Erin Berube, MS, BS, UNITED STATES Akinola E Oladimeji, MD, UNITED STATES David Shamritsky, MEng, UNITED STATES Deborah Jones, PT, OCS, SCS, UNITED STATES Michael Parides, PhD, UNITED STATES Andrew D. Pearle, MD, UNITED STATES Danyal H. Nawabi, MD, FRCS(Orth), UNITED STATES Thomas L. Wickiewicz, MD, UNITED STATES Carl W Imhauser, PhD, UNITED STATES
Analysis of Patient Reported Outcomes and Subsequent Surgery Rate Following Quadriceps Tendon Anterior Cruciate Ligament Reconstruction and Lateral extra-articular Tenodesis in Skeletally Immature Patients: Two Year Follow-Up ePoster Presentation Sofia Hidalgo Perea, BS, UNITED STATES Danielle E Chipman, BS, UNITED STATES Frank A. Cordasco, MD, MS, UNITED STATES Daniel W. Green, MD, MS, UNITED STATES
Anatomical Ribbon ACL Reconstruction: a 4-Year Follow-Up On. Evaluation of Surgery Outcomes Including Physical Examination, and Post-Op MRI and CT Scans Assessment ePoster Presentation Robert Smigielski, MD, PhD, POLAND Daniel Kopko, MD, POLAND Beata Ciszkowska-Lyson, PhD, POLAND Aleksandra Zielinska, MA, BSc, POLAND Mirco Herbort, MD, Prof., GERMANY Christian Fink, MD, Prof., AUSTRIA
Trends in Revision Anterior Cruciate Ligament Reconstruction and Return to Sport: A Survey of the Herodicus Society ePoster Presentation Michael Andrew Fox, MD, UNITED STATES Ian DeYoe Engler, MD, UNITED STATES Andrew Curley, MD, UNITED STATES Damaris Susana Mohr, PA-C, UNITED STATES Justin W. Arner, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES James P. Bradley, MD, UNITED STATES
Decreased Time Between Injury and Surgery and Increased Injury Severity Predict Motion Loss After Multiligament Knee Injury, but Are Only Part of the Picture ePoster Presentation Cale A. Jacobs, PhD, UNITED STATES Kathleen Poploski, PhD, UNITED STATES Caitlin Conley, PhD, UNITED STATES Austin V Stone, MD, PhD, UNITED STATES Darren L. Johnson, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES James J. Irrgang, PT, PhD, FAPTA, UNITED STATES
Biomechanical Study of the Elastic Fixation of the Posterolateral Fracture of the Tibial Plateau: Arrow Technique ePoster Presentation Oscar Ares, PhD, SPAIN David Gutierrez Medina, MD, SPAIN Carlos Andres Morales-Marin, MD, SPAIN Salvador Madariaga, MD, SPAIN Andrea Sallent, MD, PhD, SPAIN Jose Alonso Zumbado, MD, SPAIN Manuel Llusà, SPAIN
Clinical And Patient-Reported Outcomes Of Arthroscopic Repair Versus Reconstruction Of The Cruciate Ligaments In The Multiligamentous Injured Knee ePoster Presentation Sebastian Rilk, MD, UNITED STATES Gabriel C Goodhart, BsC, UNITED STATES Kurt S. Holuba, BA, UNITED STATES Harmen D. Vermeijden, MD, UNITED STATES Robert O'Brien, MHS, PA-C, UNITED STATES Jelle P. van der List, MD, PhD, NETHERLANDS Gregory S. Difelice, MD, UNITED STATES
Non-Operative Treatment is an Excellent Option for Isolated Anterior Cruciate Ligament Injuries: a Systematic Review and Meta-Analysis ePoster Presentation Robert de Jonge, MD, HUNGARY Miklos Mate, MD, HUNGARY Norbert Kovacs, MD, HUNGARY Marcell Imrei, MD, , HUNGARY Karoly Pap, MD, PhD, HUNGARY Gergely Agocs, PhD, HUNGARY Peter Hegyi, Prof., HUNGARY Gergely Pánics, PhD, HUNGARY
Reliability of the KNEELAX3 Arthrometer for Anterior Knee Laxity Measurement in Healthy Female Subjects ePoster Presentation Azusa Saito, PT,BSc, JAPAN Shota Mashimo, PT, BSc, JAPAN Junya Kubota, PT, BSc, JAPAN Hiroyuki Sato, PT, BSc, JAPAN Fumiya Naonaga, PT,BSc, JAPAN Keita Tanaka, PT, BSc, JAPAN Erina Murosaki, PT,BSc, JAPAN Nobuto Kitamura, MD, PhD, JAPAN
A Retrospective Study of Prevalence of Intra-Articular Comorbidities Associated with ACL Tear and its Relationship with Patient-Age and Chronicity of the ACL Tear ePoster Presentation Vishwesh Devendrasinh Chudasama, M.S. (ORTHO), INDIA Vishvas Modi, M.S. (ORTHO), INDIA Deepak Goyal, MBBS, MS(Ortho), DNB(Ortho), Prof, INDIA
Analysis of Historic and Modern Treatment Outcomes in Primary Anterior Cruciate Ligament Repair: Systematic Review and Meta-analysis ePoster Presentation Jaren LaGreca, MD, UNITED STATES Marc Tompkins, MD, UNITED STATES
Role of Biophysic Stimulation with Pulsed Electromagnetic Fields on Bone Bruise in Anterior Cruciate Ligament Reconstruction ePoster Presentation Vito Gaetano Rinaldi, MD, ITALY Iacopo Sassoli, MD, ITALY Matteo La Verde, MD, ITALY Eugenio Cammisa, MD, ITALY Federico Coliva, MD, ITALY Alberto Fogacci, ITALY Giada Lullini, MD, PhD, ITALY Stefano Zaffagnini, MD, Prof., ITALY Giulio Maria Marcheggiani Muccioli, MD, PhD, Associate Professor, ITALY
Short Message Service-Based Collection of Patient Reported Outcome Measures Following ACL Reconstruction: A Pilot Study ePoster Presentation Steffen Sauer, MD, DENMARK
Return to Sports in Anterior Cruciate Ligament Reconstruction Revision Surgery ePoster Presentation David H. Figueroa, MD, CHILE Maria Loreto Figueroa Berrios, MD, CHILE Alexandra Feuereisen, MD, CHILE Javier Ignacio González, MD, CHILE Rafael Calvo, MD, CHILE
Preoperative Templating of Bone-Patellar Tendon-Bone Graft for ACL Reconstruction: An Individualised Morphometry-Based Graft Harvest Method ePoster Presentation Prakash Ayyadurai, MS, INDIA Arumugam Sivaraman, MS(Orth), AB(IM)(USA), FRCS(Glasg), INDIA Suresh Perumal, MS(Orth), INDIA Janani Gopalakrishnan, MD (Sports Medicine), INDIA
Comparing Safety and Physical Activity Profiles of Institutional Standard of Care Versus Arthroscopic Electrocautery Approaches for ACL Reconstruction ePoster Presentation Claire Giachino, BA, UNITED STATES Hannah Rossing, BS, UNITED STATES David Howell, PhD, UNITED STATES Curtis D. Vandenberg, MD, UNITED STATES Jay C. Albright, MD, UNITED STATES
Automated, Video-Based Analysis of Motion Patterns to Diagnose Anterior Cruciate Ligament Injuries in In-Game Video Footage ePoster Presentation Attila Schulc, UNITED STATES Chilan Bou Ghosson Leite, MD, PhD, UNITED STATES Máté Csákvári, UNITED STATES Luke Lattermann, UNITED STATES Molly Zgoda, MS, UNITED STATES Evan M Farina, MD, UNITED STATES Christian Lattermann, MD, UNITED STATES Zoltán Tősér, UNITED STATES Gergo B Merkely, MD, PhD, UNITED STATES
Mid-Term Results of Anterior Cruciate Ligament Reconstruction with Anterolateral Augmentation, Lemaire Tenodesis, in Soccer Players. Functional Results and Return to Play ePoster Presentation Pedro Alvarez-Diaz, MD, PhD, Prof., SPAIN Enrique Pavez, MD, CHILE Gilbert Steinbacher, MD, SPAIN Eduard Alentorn-Geli, MD, PhD, MSc, FEBOT, FACGME, SPAIN David Barastegui, MD, PhD, MSc, SPAIN Jorge Ramirez Haua, MD, SPAIN Maria Victoria Pomenta, MD, SPAIN Esther Sala, MD, SPAIN Sebatian Grossi, MD, SPAIN Aleix Pons Bartroli, MD , SPAIN Patricia Laiz Boada, BSc, SPAIN Ramon Cugat Bertomeu, MD, PhD, SPAIN
Transtibial Femoral Tunnel Technique In ACL Reconstruction and Osteoarthritis Incidence ePoster Presentation Marcus Vinicius Danieli, MD, PhD, BRAZIL João P.F. Guerreiro, MD, PhD, BRAZIL Joao Vitor Guedes Guedes Suzze, MD, BRAZIL Victoria de Abreu, MD, BRAZIL
Altered Trunk Movements During Running after Anterior Cruciate Ligament Reconstruction ePoster Presentation Jodie A. McClelland, BPhysio(Hons), PhD, AUSTRALIA Julian A. Feller, FRACS, FAOrthA, AUSTRALIA Michael Maes, Md, BELGIUM Gustaf Gauffin, SWEDEN Anna Nilsson, SWEDEN Kate E. Webster, PhD, AUSTRALIA
Impact of ACLR Graft Choice on Meniscal Repair Outcomes ePoster Presentation Emily Coffey, BS, UNITED STATES Amogh Iyer, BS, UNITED STATES Parker Cavendish, BS, UNITED STATES Eric Milliron, BS, UNITED STATES Spencer E. Talentino, MD, UNITED STATES James C. Kirven, BS, UNITED STATES Charles Qin, MD, UNITED STATES Ryan H. Barnes, MD, UNITED STATES David C. Flanigan, MD, UNITED STATES Robert A Magnussen, MD, MPH, UNITED STATES
Outcomes of Revision Anterior Cruciate Ligament Reconstruction with autogenous Quadriceps Tendon graft ePoster Presentation Gustavo A. Rincon, MD, COLOMBIA Edgar Alberto Munoz, MD, COLOMBIA Camilo Marin, MD, COLOMBIA Hans Martin, MD, COLOMBIA Angela Morales, MD, COLOMBIA
Quadriceps Autograft Is A Viable Graft Choice For ACL Reconstruction In Patients Over 50 Years Old ePoster Presentation Amit Meena, MBBS, MS, DNB, INDIA Luca Farinelli, MD, ITALY Christian Hoser, MD, AUSTRIA Elisabeth Abermann, MD, AUSTRIA Mirco Herbort, MD, Prof., GERMANY Christian Fink, MD, Prof., AUSTRIA
An Analysis Of Repeat Anterior Cruciate Ligament Injury and Return to Sport in Australian Soccer Players Demonstrates Hamstring Autografts to be a Reliable Option ePoster Presentation Jonathan R Manara, BMBS, FRCS (Tr & Orth), UNITED KINGDOM Lucy J. Salmon, PhD, AUSTRALIA Faisal Kilani, BSc, AUSTRALIA Claire Monk, BS, AUSTRALIA Keran Sundaraj, MBBS MCs (Trauma) FRACS FAOA, AUSTRALIA Leo A. Pinczewski, MBBS, FRACS, FAOA, AUSTRALIA Justin P. Roe, FRACS, A/Prof., AUSTRALIA
Midterm Clinical Outcomes and Knee Stability After ACL Reconstruction With a Hybrid Graft Using Hamstring Autograft and Ligament Augmentation and Reconstruction System LARS ePoster Presentation Antonios T. Kouzelis, MD, PhD, GREECE Andreas Panagopoulos, Associate Professor, GREECE Panagiotis Antzoulas, MD, MSc, GREECE Panagiotis Tsiplakos, MD, GREECE Georgios Sinos, MD, GREECE Spyridon Papagiannis, MD, GREECE Ioannis Gliatis, MD, PhD, Assistant Proffessor, GREECE
Technique for Increasing the Strength of Fixation to the Suspensory Button in Anterior Cruciate Ligament Reconstruction Using the Quadriceps Tendon ePoster Presentation Tomoyuki Kanayama, MD, JAPAN Junsuke Nakase, MD, PhD, JAPAN Rikuto Yoshimizu, JAPAN Yusuke Yanatori, MD, JAPAN Hiroyuki Tsuchiya, JAPAN
Age-Related Microstructural Changes In Semitendinosus and Quadriceps Tendons ePoster Presentation Junsuke Nakase, MD, PhD, JAPAN Kazuki Asai, JAPAN Mitsuhiro Kimura, JAPAN Rikuto Yoshimizu, JAPAN Tomoyuki Kanayama, MD, JAPAN Yusuke Yanatori, MD, JAPAN Hiroyuki Tsuchiya, JAPAN
Meta-Analysis Comparing The Femoral Tunnel Length, Femoral Tunnel Position And Graft Bending Angle Of Transtibial, Anteromedial And Outside-In Techniques For Single-Bundle Anterior Cruciate Ligament Reconstruction ePoster Presentation Yeo Zhen Ning, MBBS, SINGAPORE Andrew Arjun Sayampanathan, MBBS, SINGAPORE Hwee Chye Andrew Tan, MBBS, FRCS (Glasgow), FRCSEd (Orth), SINGAPORE
Changes in Cross-Sectional Area After the Anatomic ACL Reconstruction with Hamstring Tendon or Bone-atellar tendon autografts. ePoster Presentation Kazutaka Kinugasa, MD, PhD, JAPAN Masayuki Hamada, MD, JAPAN Yasukazu Yonetani, MD, PhD, JAPAN Akira Tsujii, MD, PhD, JAPAN Tomohiko Matsuo, MD, PhD, JAPAN Yoshinari Tanaka, MD, PhD, JAPAN Yuta Tachibana, M.D., Ph.D., JAPAN Ryohei Uchida, MD, PhD, JAPAN Konsei Shino, MD, PhD, JAPAN
Knee Arthroscopy: The “Crevice Sign,” A New Pathognomonic Sign For Unstable Posterior Medial Meniscal Tear In Anterior Cruciate Ligament Deficient Knees ePoster Presentation J Donald Hansom, FRCS, MD, MBChB, BSc (Hons), UNITED KINGDOM Jérôme Murgier, MD, FRANCE Mark G. Clatworthy, FRACS, NEW ZEALAND
Risk Factor Of Failure After The Revision Anterior Cruciate Ligament Reconstruction ePoster Presentation Takeo Tokura, MD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Kyohei Nishida , MD, PhD, JAPAN Kanto Nagai, MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Social Media Content Related to ACL Recovery: An Analysis ePoster Presentation Sabreena Moosa, HBSc, CANADA Isabel Thomas, HBSc, CANADA Darren L. de SA, MBA(c), MD FRCSC, CANADA
“It’s Just My Knee”: The Role of Resilience and Reframing on Young Athlete’s Quality of Life Following ACL Injury ePoster Presentation Hana Marmura, BSc, CANADA Dianne M. Bryant, PhD, CANADA Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, CANADA Fiona Webster, PhD, CANADA
High Return to Sport Rate and Few Re-Ruptures at Long Term in Professional Footballers After Anterior Cruciate Ligament Reconstruction with Hamstrings ePoster Presentation Tommaso Bonanzinga, MD, PhD, ITALY Alberto Grassi, PhD, ITALY Gian Andrea Lucidi, MD, ITALY Luca Macchiarola, MD, ITALY Marianna Viotto, ITALY Stefano Zaffagnini, MD, Prof., ITALY
Posterior Displacement Of The Detached Meniscocapsular Ligament Of Ramp Lesion In ACL Injured Knee Observed On MRI In Flexed Knee Position Is Associated With Greater Preoperative Anterior Knee Laxity ePoster Presentation Satoshi Nonaka, MD, JAPAN Kazuhisa Hatayama, MD, PhD, JAPAN Hibiki Kakiage, MD, JAPAN Masanori Terauchi, MD, JAPAN
Quadrupled Semitendinosus vs. Semitendinosus-Gracilis Graft for ACL Reconstruction:a Randomized Controlled Trial ePoster Presentation Juan Pablo Martinez-Cano, MD, MSc, PhD, COLOMBIA Laura Zamudio, MD, COLOMBIA Julian Chica, MD, COLOMBIA Juan José Martinez Arboleda, MD, COLOMBIA Fernando M. Mejia, MD, COLOMBIA Alfredo Martinez Rondanelli, MD, COLOMBIA

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Concomitant Chondral Injury and ACL Reconstruction

Concomitant Chondral Injury and ACL Reconstruction

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Concomitant Chondral Injury and ACL Reconstruction

Concomitant Chondral Injury and ACL Reconstruction

Introduction

Methods

Results

Discussion