Summary: Meaningful recalibration response shift was clearly identified in IKDC and KOOS scores one and two years after ACLR, indicating traditional change scores are not adequately detecting patient perceived change in outcomes and suggesting treatment effects may frequently be underestimated.

Background

Patient reported outcome measures (PROMs) are used to understand recovery following anterior cruciate ligament reconstruction (ACLR). However, PROM scores are largely dependent on respondent perspectives and individual frame of reference. Individuals’ priorities, standards, and conceptualizations of key constructs are likely to change over time, particularly following a health-related event. This phenomenon is labelled and quantified as “response shift” and may limit our ability to accurately interpret true change in PROMs.

Purpose

To identify whether recalibration response shift effects are present in PROM scores following ACL reconstruction in a prospective cohort study.

Methods

Patients having primary ACLR were recruited to complete the Knee Injury and Osteoarthritis Outcome Score (KOOS) and International Knee Documentation Committee Subjective Knee Form (IKDC) pre-, one year, and two years post-operatively. At the post-operative timepoints patients were asked to complete a second KOOS and IKDC measure according to their recollection of their pre-operative status. In addition they completed the brief-COPE and life event questionnaires. Unadjusted change (traditionally measured change), adjusted change (accounting for patient perspective), and magnitude of response shift (difference in change scores) were calculated for all outcomes according to then-test methodology. Patients were grouped into one of three categories for each PROM: positive recalibration (change was underestimated), negative recalibration (change was overestimated), or no meaningful recalibration, based on the magnitude and direction of response shift reported.

Results

A total of 171 participants were included in the study (mean age 24 years, 56% male). A total of 158 (92%) and 145 (85%) participants completed one and two year follow-up, respectively. Adjusted change was significantly greater than unadjusted change (p < 0.05) for all PROMs except KOOS Sport at 1 yr (p = 0.17), with a difference in change scores ranging from 3 to 18 points. At one- and two-years post-operative, 75% and 78% of participants’ scores indicated meaningful recalibration response shift in at least one outcome, meaning pre- to post-operative change in PROM scores was over- or under-estimated by at least 10 points using traditional measures. The KOOS Symptoms score had the greatest proportion of positive recalibration (1yr: 62%, 2yr: 69%) while the KOOS Sport score had the greatest proportion of negative recalibration (1yr: 27%, 2yr: 20%).

Conclusions

Meaningful recalibration response shift was clearly identified in IKDC and KOOS scores one and two years after ACLR. Positive recalibration was more common than negative recalibration, however both processes were evident. The presence of response shift suggests traditional change scores are not adequately detecting true change in participants’ perceived outcomes following ACLR and suggests treatment effects may frequently be underestimated.

Knee ACL ePosters

Knee Pain Following Anterior Cruciate Ligament Reconstruction Does Not Influence Knee Function Or Activity Level ePoster Presentation Niamh Keane, BSc MSc, IRELAND Timothy McAleese, MRCS MCh, IRELAND Neil Welch, BSc MSc PhD, IRELAND Enda King, PhD, MSc, QATAR Kieran Moran, PhD, IRELAND Mark Jackson, MBBS FRCS(Tr&Orth), IRELAND Daniel Withers, MB Chb FRCS (Orth), IRELAND Raymond Moran, FRCSI, IRELAND Brian M. Devitt, MD, PhD, FRCS, FRACS, IRELAND
Coronal Alignment Patterns in Primary Anterior Cruciate Ligament Tears: The Influence of Tibial Dominance for Both Varus and Valgus Alignment ePoster Presentation Luke V. Tollefson, BS, UNITED STATES Adam Thompson, BS, UNITED STATES Carissa C Dock, MD, UNITED STATES Claire Knowlan, BS, UNITED STATES Jace Robert Otremba, BSc, UNITED STATES Nicholas Kennedy, MD, UNITED STATES Robert F. LaPrade, MD, PhD, UNITED STATES
Anterior Tibial Subluxation Using Knee Extended Load-Bearing Radiograph Could Predict the Rotational Instability of the Knee: Multi-Center Study ePoster Presentation Tsuyoshi Hamada, MD, JAPAN Shotaro Watanabe, MD, PhD, JAPAN Manato Horii, MD, JAPAN Yuta Muramatsu, MD, PhD, JAPAN Yusuke Sato, MD, PhD, JAPAN Ryuichiro Akagi, MD, PhD, JAPAN Ryosuke Nakagawa, MD, JAPAN Nobuaki Hayashi, MD, JAPAN Yuki Yoshida, MD, JAPAN Takahisa Sasho, MD, PhD, JAPAN
Short Graft, Short Tunnel ACL Reconstruction with Single Hamstring and Internal Brace: Comparable Outcomes to Conventional Double Hamstring Technique ePoster Presentation Thana Buranapuntaruk, MD, THAILAND Chatree Tangpatthanasombat, MD, THAILAND Thun Itthipanichpong, MD, THAILAND Numphung Numkarunarunrote, MD, THAILAND Danaithep Limskul, MD, THAILAND
Structural Equation Modeling of the Contributing Factors to Landing Performance: Implications for Injury Prevention Programs ePoster Presentation Charis Tsarbou, PT, MSc, PhDc, GREECE Nikolaos I. Liveris, PT, MSc, PhDc, GREECE Sofia Xergia, PhD, Assistant Professor, GREECE Joanna Kvist, Professor, SWEDEN Elias Tsepis, PhD, Professor, GREECE
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Clinical Outcomes And Risk Factors For Failure In Anterior Cruciate Ligament Reconstruction Combined With An All-Soft Tissue Lateral Extrarticular Tenodesis: A Retrospective Cohort Study ePoster Presentation Edoardo Monaco, MD, ITALY Alessandro Carrozzo, MD, ITALY Valerio Nasso, ITALY Susanna Pagnotta, ITALY Alessandro Annibaldi, MD, ITALY Andrea Ferretti, Prof., ITALY Nicola Maffulli, MD, PhD, MS, FRCS(Orth), UNITED KINGDOM
Comparison of Clinical And Radiological Outcomes Of The Anatomic Single Bundle ACL Reconstruction (SB-ACLR) With A Novel Modified All-Inside Double Bundle ACL Reconstruction Technique Using Single Tibial Socket And Two Femoral Sockets (DB- ACLR) ePoster Presentation Vinod Kumar, MBBS, MS, DNB, MNAMS, INDIA Teja Prashanth Rongali , MBBS, MS (Ortho), DNB, INDIA
The Utility Of Stress Ultrasound In The Assessment Of ACL Insufficiency ePoster Presentation Miho J. Tanaka, MD, PhD, UNITED STATES Nikitha Crasta, MBBS, UNITED STATES Maria Virginia Velasquez-Hammerle, MD, UNITED STATES Kyle K Grover, BS, UNITED STATES
How Do We Define Successful Surgery In The Light Of Human Optimism? A Qualitative Exploration Of Young Athletes’ Experiences And Qol After Acl Reconstruction In Australia And Canada ePoster Presentation Hana Marmura, MPT, PhD, UNITED STATES Nicolette Garcia, MPT, MClSc, CANADA Lesley Kukoly, MPT, MClSc, CANADA Dianne M. Bryant, PhD, CANADA Julian A. Feller, FRACS, FAOrthA, AUSTRALIA Lachlan Batty, FRACS, AUSTRALIA Kate E. Webster, PhD, AUSTRALIA Haydn Klemm, BFSc&Nutr (Hons), AUSTRALIA Jodie A. McClelland, BPhysio(Hons), PhD, AUSTRALIA Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, QATAR
Surgical Techique Reducing Anterior Knee Pain Following Bone Tendon Bone Anterior Cruciate Ligament Reconstruction In Football Players ePoster Presentation Georgios N. Tzoanos, MD, GREECE Nikolaos Tsavalas, MD, GREECE Dimitrios Chardaloumpas, PhD, GREECE Ioannis Koutroumpas, MD, GREECE Nikolaos Manidakis, MBChB, MRCS(Eng), GREECE
Physeal-Sparing Acl Reconstruction Provides Better Initial Joint Stability And Function Than Complete Transphyseal Acl Reconstruction In An Early Adolescent Porcine Model ePoster Presentation Jeffrey Tweed Spang, MD, UNITED STATES Yukun Zhang, PhD, UNITED STATES Kaan Gürbüz, Assoc. Dr., M.D, TURKEY Lauren Schnabel, DVM, UNITED STATES Matthew Fisher, PhD, UNITED STATES
Use Of A Gyroscope Sensor To Assess A Pivot Shift Test In Acl Deficient Knees. ePoster Presentation Seong-Hwan Kim, MD,Ph.D, MStat, KOREA, REPUBLIC OF Yong-Beom Park, MD, PhD, KOREA, REPUBLIC OF
Quadriceps Rate Of Torque Development, Rather Than Peak Strength, Is Associated With Serum Biomarkers Of Joint Tissue Health In Patients With Anterior Cruciate Ligament Injuries ePoster Presentation Jeffrey Tweed Spang, MD, UNITED STATES Ganesh Kamath, MD, UNITED STATES Carolina Lisee, PhD, UNITED STATES Christin Buettner, UNITED STATES Natalia Favoreto, BS, UNITED STATES Richard Loeser, MD, UNITED STATES J. Troy Blackburn, PhD, UNITED STATES Joe Hart, PhD ATC, UNITED STATES Christopher Ingersoll, PhD, UNITED STATES Brian G. Pietrosimone, PhD, ATC, UNITED STATES
Axial And Torsional Loading: Comparative Effects On ACL Integrity In Porcine Adolescents ePoster Presentation Jason L. Koh, MD, MBA, UNITED STATES Nirav Mungalpara, MD MRCS,Ed, UNITED STATES Nicole Chang, BA, UNITED STATES Ilakiya Devi, BS, UNITED STATES Mark R. Hutchinson, Professor, MD, FACSM, FAANA, FAAOS, UNITED STATES Farid Amirouche, PhD, UNITED STATES
High-grade anterior tibial translation after anterior cruciate ligament reconstruction is associated with the posterior tibial slope, preoperative anterior tibial translation, and the duration of anterior cruciate ligament deficiency. ePoster Presentation Ryo Kanto, MD, PhD., JAPAN Akira Kawai, MD, JAPAN Hiroki Miya, MD, JAPAN Shunsuke Akai, MD, JAPAN Nobuyoshi Suzuki, MD, JAPAN Yoshitaka Nakao, MD, JAPAN Shintaro Onishi, MD, PhD, JAPAN Tomoya Iseki, MD, PhD, JAPAN Hiroshi Nakayama, MD., PhD., JAPAN Shinichi Yoshiya, MD, JAPAN
Utilizing a Minimally Invasive Superficial Band of the Quadriceps Tendon as a Tendon Graft for Anterior Cruciate Ligament Reconstruction: A Cadaveric Study ePoster Presentation Thun Itthipanichpong, MD, THAILAND Varachaya Khwanjaipanich, MD, THAILAND Danaithep Limskul, MD, THAILAND Thanathep Tanpowpong, MD, THAILAND Somsak Kuptniratsaikul, MD, THAILAND Napatpong Thamrongskulsiri, MD, THAILAND
Lateral Extra-Articular Tenodesis Increasingly Protects ACL Graft at Higher Posterior Tibial Slopes in a Laxity-Calibrated Knee Model ePoster Presentation Kyle Borque, MD, UNITED STATES Nicholas J Dunbar, PhD, UNITED STATES Hongjia He, PhD, UNITED STATES Robert Frangie, MD, UNITED STATES Mitzi S Laughlin, PhD, UNITED STATES Walter Richard Lowe, MD, UNITED STATES
Risk Factors For Residual Postoperative Anterior Tibial Subluxation After Anatomical Anterior Cruciate Ligament Reconstruction: A Two-Year Follow-Up Study ePoster Presentation Ryo Murakami, MD, JAPAN Shuji Taketomi, MD, PhD, JAPAN Ryota Yamagami, MD, JAPAN Kenichi Kono, MD, PhD, JAPAN Kohei Kawaguchi, MD, PhD, JAPAN Takahiro Arakawa, MD, JAPAN Takashi Kobayashi, MD, JAPAN Tomoki Murakami, MD, JAPAN Sakae Tanaka, MD, PhD, JAPAN
Influence of Preoperative Flatfoot Parameters on Anatomical Double-Bundle ACL Reconstruction Graft Failure in Teenagers. ePoster Presentation Yuko Takeuchi, MD, JAPAN Ryosuke Kawai, MD, JAPAN Hideki Hiraiwa, MD, PhD, JAPAN Takashi Tsukahara, MD, PhD, JAPAN
ACL repair versus ACL reconstruction in chronic lesions. ePoster Presentation Gian Luigi Canata, MD, ITALY
What Are The Thresholds Values For The Patient Acceptable Symptom State After Acl Reconstruction For The Skv And The Acl-Rsi? ePoster Presentation Nicolas Bouguennec, MD, FRANCE Alexis GERFROIT, MD, FRANCE Nicolas Graveleau, MD, FRANCE Pierre Laboudie, MD, FRANCE
Patients Significantly Differ From Surgeons In Their Perceptions Of Common Donor Site Morbidity Problems After Anterior Cruciate Ligament (ACL) Reconstruction Surgery. ePoster Presentation Alexander S. Nicholls, MSc, FRACS, AUSTRALIA Taimoor Sehgol, MD, FRACS, AUSTRALIA Harbeer Ahedi, PhD Biomedical Sciences, AUSTRALIA
Arthroscopic Management Of Anterior Cruciate Ligament Mucoid Degeneration Survival And Clinical Results Of A Monocentric Series Of 30 Patients ePoster Presentation Francois M. Kelberine, MD, FRANCE Henri Peuchot, MD, FRANCE
Knee Ligament Reconstruction With Fiber Tape® Reinforcement: A Safe Construct With Favourable Outcomes ePoster Presentation Ahmed Mabrouk, MBBCH (HONS), MRCS, FRCS (Trauma & Orthopaedics), UNITED KINGDOM Michael J. Risebury, MBBS(Hons), MA(Hons), FRCS(Tr&Orth), UNITED KINGDOM Sam K. Yasen, MBBS, MScEng, BSc, MRCS, FRCS(Tr&Orth), PGCE, UNITED KINGDOM
Psychological and Social Factors Explain Recovery After ACL Reconstruction ePoster Presentation Mahant Malempati, BS, UNITED STATES Raheyma N Siddiqui, BA, UNITED STATES Jordan Lo, BS, UNITED STATES Benjamin Michael Varieur, BS, UNITED STATES Pranav Krishnan, MD, UNITED STATES Justin Sedgewick, MD, UNITED STATES Mary K. Mulcahey, MD, UNITED STATES Mia Rumps, MS, UNITED STATES
Male Vs Female Neuromuscular Tensiomyographic Characteristics Of The Lower Extremity In Competitive Soccer Players With Anterior Cruciate Ligament Injury ePoster Presentation Miguel Vazquez-Gomez, MD, SPAIN Roberto Seijas-Vazquez, MD, PhD, Prof., SPAIN Patricia Laiz Boada, BSc, SPAIN Alfred Ferré-Aniorte, PT, SPAIN Pedro Alvarez-Diaz, MD, PhD, Prof., SPAIN Eduard Alentorn-Geli, MD, PhD, MSc, FEBOT, FACGME, SPAIN Ramon Cugat Bertomeu, MD, PhD, SPAIN
Prehabilitation Prior to Anterior Cruciate Ligament Reconstruction is a Safe and Effective Intervention for Moderate- to Long-Term Benefits: A Systematic Review ePoster Presentation Darren L. de SA, MD MBA FRCSC, CANADA Alexander Zakharia, BSc, CANADA Fares Al Katanani, BSc, CANADA Kailai Zhang, MD, CANADA Preksha Rathod, MD, CANADA Ben Murphy, DPT, CANADA Dan Ogborn, PhD, CANADA Abhilash Uddandam, BSc, CANADA
Anterior Cruciate Ligament Injuries In Adolescents With Open Physis: The Effect Of Different Conservative Treatments On The Risk Of Meniscus And Cartilage Injuries ePoster Presentation Yasunari Oniki, MD, PhD, JAPAN Taiki Murakami, JAPAN Eiichi Nakamura, MD, PhD, JAPAN
Knee extensor strength after anterior cruciate ligament reconstruction in young patients: a comparison of quadriceps and hamstring tendons ePoster Presentation Takuya Sengoku, PT, PhD, JAPAN Yasushi Takata, MD, PhD, JAPAN Yoshihiro Ishida, MD, JAPAN Naoki Takemoto, MD, JAPAN Manase Nishimura, MD, JAPAN Yushin Mizuno, MSc, PT, JAPAN Junsuke Nakase, MD, PhD, JAPAN
Superficial and deep medial collateral ligament injuries associated with bone contusion patterns after ACL injury ePoster Presentation Seong Man Jeon, MD, KOREA, REPUBLIC OF Joon Ho Wang, MD, PhD, KOREA, REPUBLIC OF Joo-Hwan Kim, MD, KOREA, REPUBLIC OF Kyeong Baek Kim, MD, KOREA, REPUBLIC OF
The Proximal Posterior Cartilage Of The Lateral Femoral Condyle Can Be Used As A Reference For Positioning The Femoral Tunnel In Acl Reconstruction. ePoster Presentation Ricardo P.L. Cury, MD, BRAZIL Leandro J. Aihara, MD, BRAZIL Luiz Gabriel B. Guglielmetti, MD, PhD, BRAZIL Viktor Nelson Mazzola Corrêa, MD, BRAZIL
Prognostic Indicators of Graft Rupture After Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-Analysis ePoster Presentation Glen Liau , MBBS, MRCS, MMed, FRCS, FAMS, MBA, SINGAPORE Jia Ying Lim, MBBS, SINGAPORE Shaynna Ee, -, SINGAPORE Nooriyah Aliasgar Moochhala, -, SINGAPORE Dhruv Praveen, -, SINGAPORE James Hui, MBBS, FRCS, FAMS, M.D. (Orthopaedic Surgery), SINGAPORE
Micheli-Kocher Anterior Cruciate Ligament Reconstruction Yields Similar Postoperative Outcomes and Rates of Return to Sports as All-Epiphyseal Techniques: A Systematic Review ePoster Presentation Darren L. de SA, MD MBA FRCSC, CANADA Alexander Zakharia, BSc, CANADA Ahmed Hatem, BSc, CANADA Saihaj Dhillon, BHSc, CANADA Prushoth Vivekanantha, MD, CANADA Dan Cohen, MD, CANADA Fares Al Katanani, BSc, CANADA
Hamstring Autograft Retaining Muscle Tissue in ACL Reconstruction Outcomes: A Functional Evaluation Over Two Years Follow-Up ePoster Presentation Davi Casadio, MD, BRAZIL Renan M. Chaim, BRAZIL Leonardo Addeo Ramos, MD, PhD, BRAZIL Moises Cohen, MD, PhD, Prof., BRAZIL Diego Costa Astur, MD, PhD, BRAZIL
Concomitant Meniscus Repair With ACL Reconstruction Does Not Affect Short-Term Postoperative Outcomes Clinically ePoster Presentation Kennan Yeo, MBBS, SINGAPORE Thirukumaran Kamaraj, MBBS, SINGAPORE Ying Ren Mok, MBBS, MRCS, MRCS, MSpMed, SINGAPORE Glen Liau , MBBS, MRCS, MMed, FRCS, FAMS, MBA, SINGAPORE Yee-Han Dave Lee, MBBS, FRCS(Ortho), SINGAPORE
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Abnormal Hamstring Activation At Return To Sport In Patients After Hamstring-grafted ACL Reconstruction. ePoster Presentation Sebastiano Nutarelli, PhD Candidate, MS, BSc, SWITZERLAND Alessandro Sangiorgio, MD, SWITZERLAND Thomas Legrand, PhD, IRELAND Federico Monzoni, BSc, SWITZERLAND Marco Delcogliano, MD, SWITZERLAND Eamonn Delahunt, PhD, IRELAND Giuseppe Filardo, MD, PhD, MBA, Prof., SWITZERLAND
Acl Repair Of Proximal Tears Shows Comparable Outcomes And Enhances Quadriceps Muscle At The 2-Year Follow-Up Compared To Hamstring Autograft Reconstruction ePoster Presentation Jinshen He, MD, Prof., CHINA
ACL Size of Skeletally Immature Subjects can be Predicted by the Measurement of Femoral Intercondylar Notch Size ePoster Presentation Jin Sato, MD, JAPAN Takanori Iriuchishima, MD, PhD, JAPAN Takashi Kozu, MD, JAPAN Yoshiyuki Yahagi, MD,PhD, JAPAN Makoto Suruga, MD, JAPAN Kazuyoshi Nakanishi, Prof., JAPAN
Unveiling the Low Incidence of 'Isolated' Anterior Cruciate Ligament Injury: Highlighting the Overlooked Anterolateral Complex and Medial Collateral Ligament Complex injuries ePoster Presentation Hiroaki Fukushima, MD, PhD, JAPAN Masahiro Nozaki, MD, PhD, JAPAN Shunta Hanaki, MD, JAPAN Kensaku Abe, MD, PhD, JAPAN Kyohei Ota, MD, JAPAN Makoto Kobayashi, MD, PhD, JAPAN Yusuke Kawanishi, JAPAN Jiro Kato, JAPAN Sho Yamauchi, MD, JAPAN Tetsuya Takenaga, MD, PhD, JAPAN Masahito Yoshida, MD, PhD, JAPAN Hideki Murakami, MD, PhD, JAPAN
A Radiographic Investigation into the Impact of Graft Size and Time From Injury to Surgery on Static Anterior Tibial Translation After Anterior Cruciate Ligament Reconstruction ePoster Presentation Tomas Pineda, MD, CHILE Nicolas Cance, MD, FRANCE Michael J. Dan, Mbbs, PhD, MSc(res), FRACS(oath), AUSTRALIA Guillaume Demey, MD, FRANCE David H. Dejour, MD, FRANCE
No Difference In Stability, Proprioception And Neuromuscular Control After Suture-Tape Augmented ACL Repair Versus ACL Reconstruction Using Hamstring Autografts In Young, Active Population. ePoster Presentation Adrian Góralczyk, MD, POLAND Paulina Zalewska, BSC, POLAND Szczepan Piszczatowski, PhD, POLAND Krzysztof Hermanowicz, POLAND Tomasz Guszczyn, PhD, POLAND
Clinical Outcome After Meniscal Repair for Lateral Meniscus Posterior Root Tear Combined With Anterior Cruciate Ligament Reconstruction ePoster Presentation Kazuhisa Hatayama, MD, PhD, JAPAN Satoshi Nonaka, MD, JAPAN Hibiki Kakiage, MD, JAPAN
Title: Effect of Compression Stockings medi Rehab® one on Postoperative Recovery Following Anterior Cruciate Ligament Reconstruction ePoster Presentation Pedro Alvarez-Diaz, MD, PhD, Prof., SPAIN Christian Manuel Valladares Silva, Md, SPAIN Alfred Ferré-Aniorte, PT, SPAIN Gilbert Steinbacher, MD, SPAIN David Barastegui, MD, PhD, MSc, SPAIN Eduard Alentorn-Geli, MD, PhD, MSc, FEBOT, FACGME, SPAIN Esther Sala, MD, SPAIN Ramon Cugat Bertomeu, MD, PhD, SPAIN
Effect Of Tourniquet Use During ACL Reconstruction: A Systematic Review ePoster Presentation Caleb V Hayes, BS, UNITED STATES Saad Ibrahim, BS, UNITED STATES Anna Crawford , BS, UNITED STATES James Jones, MD, UNITED STATES Mathew Hargreaves, BS, UNITED STATES Clay Rahaman, BA, UNITED STATES Eugene W. Brabston III, MD, UNITED STATES Thomas Evely , DO, UNITED STATES Aaron J. Casp, MD, UNITED STATES Kevin E. Wilk, PT, DPT, FAPTA, UNITED STATES Amit Momaya, MD, UNITED STATES
No Significant Difference In Skin Contamination During Acl Reconstruction With And Without Pre-Operative Skin Cleaning ePoster Presentation Benjamin Bartek, MD, GERMANY Alexandra Völkner, MD candidate, GERMANY Stephen Fahy, Dr, BSc, BmBs, MSC,MRCSI, GERMANY Stephan Oehme, MD, GERMANY Tobias Winkler, Prof., MD, GERMANY Tobias M. Jung, MD, GERMANY
The Anterior Cruciate Ligament Injury Severity Scale (Acliss) Is An Effective Tool To Document And Categorize The Magnitude Of Associated Tissue Damage In Knees After Primary Acl Injury And Reconstruction ePoster Presentation Caroline Mouton, PhD, LUXEMBOURG Charles Pioger, MD, FRANCE Renaud Siboni, MD, PhD student, FRANCE Annunziato Amendola, MD, UNITED STATES Romain Seil, MD, Prof., LUXEMBOURG
Comprehensive MRI Assessment Of Femoral Tunnel Placement In Anterior Cruciate Ligament Reconstruction ePoster Presentation Yasutoshi Ikeda, MD,PhD, JAPAN Shinichiro Okimura, MD, PhD, JAPAN Kazushi Horita, MD, JAPAN Kodai Hamaoka, MD, JAPAN Yohei Okada, MD,PhD, JAPAN Tomoaki Kamiya, MD, JAPAN Hidenori Otsubo, MD, PhD, JAPAN Atsushi Teramoto, MD, PhD, JAPAN
Evaluation Of Body Mass Index As An Risk Factor For Acl Injury ePoster Presentation Vineet Jain, MS, DNB, INDIA
Autologous Hamstring vs Quadriceps Graft in ACL Plasty - Comparative Study With Focus on Return to Sport ePoster Presentation Rubén García Linage, MD, MEXICO Daniel Zimbron Lopez, MD, MEXICO Jareth Lassard Rosenthal, MD, MBA, MEXICO Andrea Muñiz Madrazo, MD, MEXICO Raul Velazquez-Castaneda, MD, MEXICO María José Higuera Lazo De La Vega, MD, MEXICO
Association Between Pivot-Shift Like Phenomenon In The Contralateral Uninjured Knee And Residual Pivot-Shift Phenomenon After Anterior Cruciate Ligament Reconstruction ePoster Presentation Naosuke Nagata, MD, JAPAN Kanto Nagai, MD, PhD, JAPAN Yuta Nakanishi, MD, PhD, JAPAN Kyohei Nishida , MD, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Tetsuya Yamamoto, MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Work disability duration after ACL Reconstruction: The role of Graft Type ePoster Presentation Ana Luisa Galicia Zamalloa, MD, MEXICO Guillermo Gonzalez, MD, MEXICO Victor Hugo Sánchez Gómez, MD, MEXICO Jose Alejandro Reyes Guerrero, MD, MEXICO
Arthroscopic All Inside Anterior Row Fixation For Anterior Cruciate Ligament Tibial Avulsion Fracture. ePoster Presentation Mukesh Subhashchandra Laddha, DNB(Ortho),D.Ortho, INDIA Lakshya Bhardwaj, Diploma in Orthopaedics, DNB Orthopaedics, INDIA Ankit Gopikishan Lohiya, Diploma Ortho, DNB Ortho, INDIA Abhilash Sangtani, MS Ortho, INDIA
ACL reconstruction with Quadriceps Tendon Autograft in Female Population has Good Functional Outcomes and Similar Retear Rates as Males at Two-Year Follow-up: A Systematic Review & Meta-analysis ePoster Presentation Anirudh Sharma, MS (Orth), DNB (Orth), FRCS (Tr & Orth), UNITED KINGDOM Muaaz Tahir, BSc, MBBS, FRCS (Tr & Orth), FSEM(UK), UNITED KINGDOM Osama Adil Aweid, MBBS BSc MSc FRCS MFSEM, UNITED KINGDOM Tamer Sweed, FRCS(Orth), UNITED KINGDOM Tarek Boutefnouchet, MBChB MRCS PGCMed MSc FRCS (Tr&Orth) Dip. FIFA Med, UNITED KINGDOM Peter D'Alessandro, MBBS (Hons), FAOrthA, FRACS, AUSTRALIA Shahbaz S. Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM
Long Term Outcome of Simultaneous Bilateral ACL Reconstruction ePoster Presentation Justin P. Roe, MB BS BSc(Med) Hons, A/Prof., AUSTRALIA Raymond Kim, BMed MS (Ortho), AUSTRALIA Lucy J. Salmon, PhD, AUSTRALIA Leo A. Pinczewski, MBBS, FRACS, FAOA, AUSTRALIA
Good Functional Outcomes And Low Complication Rates At 2-Year Follow-Up In Patients Over 50 Undergoing Anterior Cruciate Ligament Reconstruction With Bone-Patellar Tendon-Bone ePoster Presentation Rodrigo Olivieri, MD, CHILE Felipe Bustos, MD, CHILE Roberto Oyarce, MD, CHILE Victor Barrientos, PhD, CHILE Carlos Rojas, MD, CHILE
Number of Positive Hypermobile Joints Increases Rate of Second ACL Injuries. ePoster Presentation Jakob Lindskog, MSc, SWEDEN Bálint Zsidai, MD, SWEDEN Axel Sundberg, Msc, SWEDEN Johan Högberg, PT, MSc, SWEDEN Rebecca Hamrin Senorski, PT, MSc, SWEDEN Behnam Liaghat, PT, PhD, RISPT, DENMARK Kristian Samuelsson, Prof, MD, PhD, MSc, SWEDEN Roland Thomee, Professor, SWEDEN Eric Hamrin Senorski, PT, PhD, Assoc. Prof., SWEDEN
No Difference In Clinical Outcome Between Quadriceps Tendon Anterior Cruciate Ligament Reconstruction With And Without Bone Block. - Results From The Danish Knee Ligament Registry ePoster Presentation Martin Lind, MD, PhD, Prof., DENMARK Torsten Grønbech Nielsen, PhD., DENMARK
Outcomes of quadriceps tendon autograft in ACL reconstruction: Quadriceps tendon bone versus all soft tissue grafts ePoster Presentation Travis Menge, MD, UNITED STATES Kendall Hamilton, UNITED STATES Jacob Reisner, DO, UNITED STATES William Woodhams, BA, UNITED STATES Jeremiah Hutson, BS, UNITED STATES Doyle Ford, BS, UNITED STATES
Soft-Tissue Quadriceps Autograft Acl-Reconstruction In The Skeletally-Immature Vs. Hamstrings (Squash): Feasibility Of A Randomized Controlled Trial. ePoster Presentation Darren L. de SA, MD MBA FRCSC, CANADA Kanto Nagai, MD, PhD, JAPAN Devin Clarke Peterson, MD, FRCSC, Dip Sport Med, CANADA Jihad Abouali, MD, FRCSC, CANADA Marie-Lyne Nault, MD, PhD, CANADA Thierry Pauyo, MD, FRCSC, CANADA Sasha Carsen, MD, CANADA Olufemi R. Ayeni, MD, PhD, MSc, FRCSC, CANADA
Survivorship and functional outcomes of anterior cruciate ligament reconstruction with internal brace augmentation - A prospective study ePoster Presentation Prateek Kumar Gupta, MBBS, MS(Orth), MCh(Orth), FRCS(Orth)(London), INDIA Ashis Acharya, INDIA Pratyaksh Kumar Gupta, MBBS, INDIA Ekanki Bansal, MBBS, MS, INDIA
Virtual Reality Augmented ACL Reconstruction, Does It Make a Difference? ePoster Presentation Ahmed Mabrouk, MBBCH (HONS), MRCS, FRCS (Trauma & Orthopaedics), UNITED KINGDOM Matthieu Ollivier, Prof, MD, PhD , FRANCE
Impact Of Sports Activity Level And Surgery Timing On Concomitant Meniscus Lesions In Anterior Cruciate Ligament Injuries: A Specialized Sports Medicine Hospital Experience ePoster Presentation Piero Agostinone, MD, ITALY Ashraf T. Hantouly, MD, MSc, QATAR Iacopo Romandini, MD, QATAR Luca Berveglieri, MD, ITALY Ghislain N. Aminake, MBBS, MMed(Ortho),MRCPS(Glasg), CAMEROON Jawad Derbas, MBBS, QATAR Emmanouil Papakostas, MD, FEBSM, QATAR Bruno Christian Richard Olory, MD, QATAR Pieter D'Hooghe, MD PhD MBA, QATAR Bashir Zikria, MD MSc., UNITED STATES Khalid Alkhelaifi, MD, QATAR
Factors Contributing to Graft Tendon Maturity in Anatomic Double Bundle Anterior Cruciate Ligament Reconstruction of the Knee ePoster Presentation Toshihiro Seki, MD, JAPAN Kazushige Seki, MD, JAPAN
All Inside Btb Flipped Graft Reconstruction Technique -Presentation Of Previous Experience And Technique Of Graft Preparation ePoster Presentation Nikola Colić, MD, SERBIA Vladan Stevanovic, MD, PhD, SERBIA
Sexual Activity After ACL Reconstruction: Age, Gender and Graft Don’t Matter! ePoster Presentation Riccardo D'Ambrosi, MD, ITALY Federico Valli, MD, ITALY Srinivas B. S. Kambhampati, MS(Ortho), FRCS(Eng & Glasg), FRCS(Tr&Orth), FICS, INDIA Amit Meena, MBBS, MS, DNB, INDIA
ACL Graft Elongation During Downhill Running Over A 10-Year Follow-Up ePoster Presentation Koji Nukuto, MD, PhD, UNITED STATES Tom Gale, MS, UNITED STATES Anja M. Wackerle, MD, GERMANY James J. Irrgang, PT, PhD, FAPTA, UNITED STATES Stephen J. Rabuck, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES William Anderst, PhD, UNITED STATES
Anterior tibial subluxation measured with the bone axis method on preoperative MRI may reflect the pivot shift test under anesthesia in ACL injury cases: Multi-center study ePoster Presentation Nobuaki Hayashi, MD, JAPAN Shotaro Watanabe, MD, PhD, JAPAN Tsuyoshi Hamada, MD, JAPAN Manato Horii, MD, JAPAN Yuta Muramatsu, MD, PhD, JAPAN Yusuke Sato, MD, PhD, JAPAN Masahiko Saito, MD, PhD, JAPAN taisuke fukawa, MD, PhD, JAPAN Ryuichiro Akagi, MD, PhD, JAPAN Ryosuke Nakagawa, MD, JAPAN Takahisa Sasho, MD, PhD, JAPAN
Short And Proximalized Interferencial Screw Fixation Lead To Tibial Tunnel Bone Re-Growth And Better Hamstring Graft Integration In Acl Reconstruction. ePoster Presentation Francisco J. Simón-Sánchez, MD, SPAIN Simone Perelli, MD,PhD, SPAIN Nicola Pizza, MD, SPAIN Michelangelo Delmedico, MD, ITALY Rodolfo Morales-Avalos, MD, PhD., MEXICO Raúl Torres-Claramunt, PhD, SPAIN Joan Carles Monllau, MD, PhD, Prof., SPAIN
Short-Term Semi-Rigid Casting Immobilization Enhances Early Tendon-to-Bone Healing in a Mouse Model of Anterior Cruciate Ligament Reconstruction ePoster Presentation Yuki Suzuki, MD, PhD, JAPAN Yuki Okazaki, MD, PhD, JAPAN Chia-Hung Hung, MD, TAIWAN Xuewu Xing, MD, PhD, CHINA Wataru Morita, MD, PhD, UNITED STATES Leonardo Albertini Sanchez, MD, UNITED STATES Lauren Simonian, BS, UNITED STATES Alexander Piacentini, MS, UNITED STATES Laura Moore, MD PhD, UNITED STATES Claire D Eliasberg, MD, UNITED STATES Camila B Carballo, PT, PhD, UNITED STATES Scott A. Rodeo, MD, UNITED STATES
Anterior Cruciate Ligament Reconstruction Associated With Extra-Articular Lateral Procedure In Adolescent Population: Clinical And Functional Evaluation With Follow-Up > 1 Year ePoster Presentation Maximiliano Espinosa, MD, CHILE Robert Partarrieu Stegmeier , Md, CHILE Gonzalo De La Fuente, MD, CHILE Javier Ignacio González, MD, CHILE Francisca Andrea Echeverria, MD, CHILE
Adductor Canal Block and Periarticular Cocktail Injection and its Combination in Pain Management After Anterior Cruciate Ligament Reconstruction ePoster Presentation Yasushi Takata, MD, PhD, JAPAN Junsuke Nakase, MD, PhD, JAPAN Tomoyuki Kanayama, MD, JAPAN Yoshihiro Ishida, MD, JAPAN Naoki Takemoto, MD, JAPAN Manase Nishimura, MD, JAPAN Takuya Sengoku, PT, PhD, JAPAN Yushin Mizuno, MSc, PT, JAPAN
Physeal Sparing “Over-The-Top” Technique for Anterior Cruciate Ligament Reconstruction in Skeletally Immature Patients: Analysis of 43 Consecutive Cases at Mean 11 Years Follow up ePoster Presentation Alberto Grassi, PhD, ITALY Giacomo Dal Fabbro, MD, AUSTRALIA Stefano Di Paolo, Eng, PhD, ITALY Francesco Aparo, MD, ITALY Mohammad Ibrahim Alhalalmeh, General orthopaedic surgery specialist, JORDAN Luca Ambrosini, MD, ITALY Stefano Zaffagnini, MD, Prof., ITALY
Outcomes After Revision ACL Reconstruction and Concurrent Additional Surgical Procedures in Sports Persons ePoster Presentation Ashish Devgun, Prof., MS, MSc(Trauma), INDIA
Comparing Posterior Tibial Slope Measurements By Magnetic Resonance Imaging And Radiography: Lack Of Correlation In ACL-Reconstructed Patients With Increased Slope ePoster Presentation Mahmut Enes Kayaalp, MD, Assoc. Prof., TURKEY Jumpei Inoue, MD, UNITED STATES Thorkell Snaebjörnsson, MD, ICELAND Jon Karlsson, MD, PhD, Prof., SWEDEN Volker Musahl, MD, Prof., UNITED STATES
Arthroscopic Anterior Cruciate Ligament Primary Repair: A Case Series of 40 Consecutive Physical Workers With Minimum Two Years Follow-Up ePoster Presentation Javier Antonio Ruiz Díaz, MD, SPAIN Celestino Guerra García, MD, PhD, SPAIN Rubén Alvarez Canal, MD, SPAIN Franciso J. Álvarez García, MD, SPAIN Gabriel López Graña, MD, SPAIN Amaury González Llorca, MD, SPAIN
Chronicity Of Anterior Cruciate Ligament Rupture Influences Morphologic Changes Of The Posterior Cruciate Ligament And Its Alignment. ePoster Presentation Mohammed Fahad Alaboudi , MBBS, SB-Ortho, SAUDI ARABIA Mona Musa, MBBS, MD, FRCR, UNITED KINGDOM Tamer Sweed, FRCS(Orth), UNITED KINGDOM Shahbaz S. Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM Surabhi Choudhary, MBBS, MD, FRCR, UNITED KINGDOM Tarek Boutefnouchet, MBChB MRCS PGCMed MSc FRCS (Tr&Orth) Dip. FIFA Med, UNITED KINGDOM
No Differences in Re-Rupture Rate or Patient Reported Outcomes Between Quadriceps, Semitendinosus-Gracilis, or Bone-Patellar Tendon-Bone Graft In ACL Reconstruction at 1-Year Post-Operative ePoster Presentation Peter B. MacDonald, MD, FRCS, Dip Sport Med, CANADA Sheila McRae, PhD, MSc, CANADA Jeff Leiter, PhD, CANADA Gregory Adam Stranges, MD, CANADA Robert Longstaffe, MD FRCSC, CANADA Devin Lemmex, MD FRCSC, CANADA Dan Ogborn, PhD, CANADA Jarret M. Woodmass, MD, FRCSC, CANADA
High Prevalence Of Abnormal Lower Limb Biomechanics At 8-12 Months After ACLR In Adolescent Patients. ePoster Presentation Jennifer Fayad, PhD, LUXEMBOURG Camille Wojtylka, MSc, LUXEMBOURG Tiago Neto, PhD, LUXEMBOURG Roland Krecke, PT, LUXEMBOURG Arik Rehani Musagara, PhD, LUXEMBOURG Caroline Mouton, PhD, LUXEMBOURG Felix Hoffmann, MD, LUXEMBOURG Romain Seil, MD, Prof., LUXEMBOURG Jan Cabri, PhD, Prof., LUXEMBOURG
Partial ACL Tears In Athletes. Incidence And Characteristics ePoster Presentation Athanasios N. Zacharopoulos, MD, GREECE Stefanos Veneris, MD, GREECE Vasiliki Ioannou, MD, GREECE
Knee Instability In Patients With Osteoarthritis After Anterior Cruciate Ligament Injury ePoster Presentation Kyohei Nishida , MD, PhD, JAPAN Yuta Nakanishi, MD, PhD, JAPAN Kanto Nagai, MD, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
An Anteromedial Reconstruction Mimicking the Deep Medial Collateral Ligament Stress-Shields the ACL In Anteromedial Rotatory Instability – Biomechanical Validation of Different Anteromedial Reconstruction Techniques ePoster Presentation Florian Gellhaus, MD, GERMANY Peter Behrendt, MD, GERMANY Adrian Deichsel, MD, GERMANY Martin Lind, MD, PhD, Prof., DENMARK Alina Albert, M.Sc., GERMANY Nina Backheuer, Medical student, GERMANY Michael J. Raschke, MD, Prof., GERMANY Andreas Seekamp, Prof, GERMANY Christoph Kittl, MD, MD(res), GERMANY
Increased Failure Risk of Revision Anterior Cruciate Ligament Reconstruction with Unaddressed Posterior Tibial Slope ePoster Presentation Tarik Taoufik, BS, UNITED STATES Parker Cavendish, BS, UNITED STATES Eric Milliron, BS, UNITED STATES James C. Kirven, BS, UNITED STATES David C. Flanigan, MD, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES Robert A. Magnussen, MD, MPH, UNITED STATES
Factors Influencing Return to Sport After Pediatric and Adolescent ACL Reconstruction ePoster Presentation Philipp Wilhelm Winkler, MD, Assoc. Prof., AUSTRIA Baldur Thorolfsson, MD, SWEDEN Ramana Piussi, PhD, SWEDEN Thorkell Snaebjörnsson, MD, ICELAND Rebecca Hamrin Senorski, PT, MSc, SWEDEN Jon Karlsson, MD, PhD, Prof., SWEDEN Kristian Samuelsson, Prof, MD, PhD, MSc, SWEDEN Eric Hamrin Senorski, PT, PhD, Assoc. Prof., SWEDEN
A Novel Arthroscopic Measurement Technique For Precise Femoral Tunnel Drilling In Anterior Cruciate Ligament Reconstruction ePoster Presentation Benjamin Murray, DO, UNITED STATES S. Ali Ghasemi, MD, UNITED STATES Arthur R Bartolozzi, MD, UNITED STATES
Acl Injuries In Major League Soccer: A 10-Year Analysis Of Injury Rate And Return To Play ePoster Presentation Camden Bohn, BA, UNITED STATES Catherine Hand, BS, UNITED STATES Daanish Khazi-Syed, BS, UNITED STATES Josh Chang, BS, UNITED STATES Robert H. Brophy, MD, UNITED STATES Margot Putukian, MD, UNITED STATES Bert Roland Mandelbaum, MD, DHL(Hon), UNITED STATES Brian Forsythe, MD, UNITED STATES
Rectangular Tunnel Footprint Optimization In Anterior Cruciate Ligament Reconstruction: A Single Tunnel Double-Bundle Like Approach ePoster Presentation Mukesh Subhashchandra Laddha, DNB(Ortho),D.Ortho, INDIA Lakshya Bhardwaj, Diploma in Orthopaedics, DNB Orthopaedics, INDIA Ankit Gopikishan Lohiya, Diploma Ortho, DNB Ortho, INDIA
How Can Augmented Care Experience (ACE) Improve ACLR Patient’s Participation To Web-Based Questionnaires ePoster Presentation Dani Mouarbes, MD, FRANCE Pierre Thomas, MD, FRANCE Nicolas Reina, MD, FRANCE Etienne Cavaignac, MD,PhD, FRANCE
Anterior Cruciate Ligament Reinsertion In An Adult Patient Using A High-Strength 6-Strand Suture Technique: Case Report And Literature Review ePoster Presentation Alvaro Valenzuela, MD, CHILE José Manuel Irarrázaval Mainguyague, MBBS, CHILE Javier Diaz, MD, CHILE Eithan Goldbaum, MD, CHILE Javier Andrés Teuber, CHILE Gonzalo Andres Marambio, MD, CHILE Jose A. Hun, MD, CHILE
Even A Moderate Pivot Shift Phenomenon Is A Preoperative Risk Factor For Ramp Lesions In Patients Undergoing Anterior Cruciate Ligament Reconstruction. ePoster Presentation Shoichi Hasegawa, MD, PhD, JAPAN Hideyuki Koga, Prof., MD, PhD, JAPAN Tomomasa Nakamura, MD, PhD, JAPAN Takashi Hoshino, MD, PhD, JAPAN Mai Katakura, MD, PhD, JAPAN Ichiro Sekiya, MD, PhD, JAPAN
Comparable Clinical And Functional Outcomes Can Be Achieved In Acl Reconstruction For Middle-Aged Patients: A Propensity Score Matched Study ePoster Presentation Joo-Hwan Kim, MD, KOREA, REPUBLIC OF Joon Ho Wang, MD, PhD, KOREA, REPUBLIC OF Abdulhafiz Abdulrazzaq Wazuddin , MD , SAUDI ARABIA Younghoon Yang, MD, KOREA, REPUBLIC OF Seung Pil Jang, MD, PhD, KOREA, REPUBLIC OF
ACL Reconstruction With Quadriceps Tendon Autografts Provides Pre-Injury-Level Functional Outcome and No Deterioration of Osteoarthritic Grade in Patients Aged 50 Years or Older: A 5-Year Follow-Up Prospective Study ePoster Presentation Amit Meena, MBBS, MS, DNB, INDIA Luca Farinelli, MD, ITALY Riccardo D'Ambrosi, MD, ITALY Christian Hoser, MD, AUSTRIA Christian Fink, MD, Prof., AUSTRIA
Ten-Year Minimum Follow-Up Of Athletes Who Had One Compared To Two Anterior Cruciate Ligament Reconstruction Surgeries At A Young Age ePoster Presentation Kate E. Webster, PhD, AUSTRALIA Julian A. Feller, FRACS, FAOrthA, AUSTRALIA
Primary ACL Reconstruction and Conservative MCL Treatment Results in Higher Failure Rates than Simultaneous Primary ACLR and MCL Reconstruction ePoster Presentation Mohammad Razi, MD, IRAN, ISLAMIC REPUBLIC OF Mohammad Soleimani, MD, MPH, IRAN, ISLAMIC REPUBLIC OF Haleh Dadgostar, MD, IRAN, ISLAMIC REPUBLIC OF Saiid Razi, MD, IRAN, ISLAMIC REPUBLIC OF
Optimizing Postoperative Outcomes: The Effect of Preoperative Rehabilitation on Quadriceps Strength and Gait Mechanics after ACL Reconstruction ePoster Presentation Amit Gohil, PT, DPT, UNITED STATES Meredith Owen, PhD, UNITED STATES Lauren Erickson, PhD, PT, UNITED STATES Katherine Thompson, PhD, UNITED STATES Christopher Fry, PhD, UNITED STATES Darren L. Johnson, MD, UNITED STATES Brian Noehren, UNITED STATES
Virtual Triple Bundle ACL Graft on 3-D CT via Femoral Tunnels Placed Behind the Resident's Ridge Based on the Bony Landmark Strategy Shows Equivalent Orientation to the Native ACL on MRI ePoster Presentation Narihiro Okazaki, MD, PhD, JAPAN Konsei Shino, MD, PhD, JAPAN Tomoki Ohori, MD, PhD, JAPAN
Clinical Outcomes After Anterior Cruciate Ligament Primary Repair: A 2-Year Minimum Follow-Up Study Of 119 Patients ePoster Presentation Edoardo Monaco, MD, ITALY Alessandro Annibaldi, MD, ITALY Rita Pucciatti, ITALY Alessandro Carrozzo, MD, ITALY
Greater Hamstrings Autograft Size After ACL Reconstruction Is Associated With Lower Odds For Graft Failure: Systematic Review and Meta-Analysis ePoster Presentation Rebecca Hamrin Senorski, PT, MSc, SWEDEN Kevin Teow, MD, SWEDEN Johan Högberg, PT, MSc, SWEDEN Janina Kaarre, MD MSc, UNITED STATES Thorkell Snaebjörnsson, MD, ICELAND Volker Musahl, MD, Prof., UNITED STATES Kristian Samuelsson, Prof, MD, PhD, MSc, SWEDEN Eric Hamrin Senorski, PT, PhD, Assoc. Prof., SWEDEN
Incidence And Associated Risk Factors Of Second Anterior Cruciate Ligament Tear. Analysis From A High-Volume Institution ePoster Presentation David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA Fabio Mancino, MD, AUSTRALIA Sam Christopher Parker, MD, AUSTRALIA Simon Luc Edmond Walgrave, MD, BELGIUM
Sparing The Anteromedial Bundle In Acl Partial Injuries. Evaluation And Comparison Of 2 Different Modalities For The Surgical Management Of Partial Acl Injuries In A Population Of Patients Involved In Professional Sport. ePoster Presentation Matteo Baldassarri, MD, ITALY Luca Perazzo, MD, ITALY Diego Ghinelli, ITALY Sarino Ricciardello, MD, ITALY Alessandro Parma, MD, ITALY Roberto Buda, Prof., ITALY
Incidence of Bacterial Contamination in ACL Reconstruction Grafts: Are Gram-negative Bacteria Relevant? ePoster Presentation Maximiliano Scheu, MD, MMSc, CHILE Raimundo Bosselin, DC, CHILE Maria Tuca, MD, CHILE Gonzalo Espinoza, MD, CHILE
Transphyseal anterior cruciate ligament reconstruction in adolescents: a long-term follow-up study. ePoster Presentation Gian Luigi Canata, MD, ITALY
Concomitant Meniscus Injury Has Higher Likelihood Of Achieving Minimally Clinically Important Difference After Anterior Cruciate Ligament Reconstruction Compared To Isolated ACL Injury ePoster Presentation Thirukumaran Kamaraj, MBBS, SINGAPORE Glen Liau , MBBS, MRCS, MMed, FRCS, FAMS, MBA, SINGAPORE Kennan Yeo, MBBS, SINGAPORE Ying Ren Mok, MBBS, MRCS, MRCS, MSpMed, SINGAPORE Yee-Han Dave Lee, MBBS, FRCS(Ortho), SINGAPORE
Anterior Cruciate Ligament Reconstruction In Patients Over 50: Functional Outcomes And Complication Rates Of Bone-Patellar Tendon-Bone Vs Hamstring Autografts ePoster Presentation Rodrigo Olivieri, MD, CHILE Felipe Bustos, MD, CHILE Roberto Oyarce, MD, CHILE Carlos Rojas, MD, CHILE Victor Barrientos, PhD, CHILE Jose Ignacio Laso, Md, CHILE
Infection Rate Following Anterior Cruciate Ligament Reconstruction Using All-Soft Tissue Quadriceps Tendon Autograft ePoster Presentation Jesse Seilern Und Aspang, MD, UNITED STATES Jason G Garry, MD, UNITED STATES John Kopriva, MD, UNITED STATES Rebecca Haley, MD, UNITED STATES Austin Collins, BA, UNITED STATES Harris S. Slone, MD, UNITED STATES John Xerogeanes, MD, UNITED STATES
Identifying Unstable Ramp Lesions Using Ultrasonography ePoster Presentation Kentaro Fujita, MD, JAPAN Yasushi Takata, MD, PhD, JAPAN Tomoyuki Kanayama, MD, JAPAN Yoshihiro Ishida, MD, JAPAN Naoki Takemoto, MD, JAPAN Manase Nishimura, MD, JAPAN Takuya Sengoku, PT, PhD, JAPAN Yushin Mizuno, MSc, PT, JAPAN Junsuke Nakase, MD, PhD, JAPAN
Remnant Preservation and Its Effects on Cyclops Lesions and Postoperative Knee Instability in Anterior Cruciate Ligament Reconstruction: A Propensity Score-Matched Study ePoster Presentation Kyohei Ota, MD, JAPAN Masahiro Nozaki, MD, PhD, JAPAN Hiroaki Fukushima, MD, PhD, JAPAN Shunta Hanaki, MD, JAPAN Kensaku Abe, MD, PhD, JAPAN Makoto Kobayashi, MD, PhD, JAPAN Yusuke Kawanishi, JAPAN Jiro Kato, JAPAN Hideki Murakami, MD, PhD, JAPAN
Comparison Of Core Muscle Endurance, Proprioception, And Surgery Satisfaction Among Individuals With Anterior Cruciate Ligament Reconstruction With Hamstring Tendon Autograft Or Fresh-Frozen Allograft And Healthy Individuals: A Cross-Sectional Study ePoster Presentation Sefa Eldemir, PhD, TURKEY Zekeriya Öztemür, professor, TURKEY
Partial Trans-Physeal All-Inside Anterior Cruciate Ligament Reconstruction In Skeletally Immature Adolescent Patients: 2-Years Minimum Follow-Up Clinical And Radiographic Results ePoster Presentation Alessandro Carrozzo, MD, ITALY Edoardo Monaco, MD, ITALY Adnan Saithna, MD, FRCS, UNITED STATES Matteo Romano Cantagalli, MD, ITALY Nicola Carlo Bianco, MD, ITALY Serena Ciacio, MD, ITALY Alessandro Annibaldi, MD, ITALY Nicola Maffulli, MD, PhD, MS, FRCS(Orth), UNITED KINGDOM
Higher Rates of Chondral and Meniscal Injuries in Second Versus Single Anterior Cruciate Ligament Revision ePoster Presentation Julien Erard, MD, FRANCE Cécile Batailler, MD, PhD, FRANCE Sebastien Lustig, MD, PhD, Prof., FRANCE Elvire Servien, MD, PhD, Prof., FRANCE
Return To Sport After Primary Anterior Cruciate Ligament Reconstruction In Sweden: A longitudinal registry-based cohort study of 511 patients from the SPARX cohort ePoster Presentation Daniel Castellanos Dolk, MD, SWEDEN Per Wretenberg, MD,PhD, Prof., SWEDEN Anders Stalman, MD, PhD, Associate Professor, SWEDEN Joanna Kvist, Professor, SWEDEN
Anterior Cruciate Ligament Remnant in Anterior Cruciate Ligament Reconstruction Surgery: Intra-Operative Classification and Effects on Clinical Outcomes ePoster Presentation Surasak Srimongkolpitak, MD, THAILAND Simon Luc Edmond Walgrave, MD, BELGIUM David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA
The Relationship Between Knee Stability After ACL Reconstruction and Anterior Tibial Subluxation ePoster Presentation Hibiki Kakiage, MD, JAPAN Kazuhisa Hatayama, MD, PhD, JAPAN Satoshi Nonaka, MD, JAPAN Masanori Terauchi, MD, JAPAN HIrotaka Chikuda, MD, PhD, JAPAN
Preoperative ACL-RSI Can Independently Assess Psychological Aspects Without the Influence of Knee Instability: Multi-center Study ePoster Presentation Yuki Yoshida, MD, JAPAN Shotaro Watanabe, MD, PhD, JAPAN Tsuyoshi Hamada, MD, JAPAN Nobuaki Hayashi, MD, JAPAN Yuta Muramatsu, MD, PhD, JAPAN taisuke fukawa, MD, PhD, JAPAN Yusuke Sato, MD, PhD, JAPAN Ryosuke Nakagawa, MD, JAPAN TAKURO MORIYA, MD, PhD, MBA, JAPAN Manato Horii, MD, JAPAN Takahisa Sasho, MD, PhD, JAPAN
Successful Arthroscopic ACL Reconstruction With Peroneus Longus Graft in Osteogenesis Imperfecta ePoster Presentation Maruti B Lingayat, MD, MS Orthopaedics, INDIA Dineysh Dhytadak, M.S.ORTHOPAEDICS, INDIA
Pseudoaneurysm Of The Inferolateral Genicular Artery Following An Anterior Cruciate Ligament Reconstruction ePoster Presentation Damaris Dielmith Barrueto Meza, MD, SPAIN Pedro Alvarez-Diaz, MD, PhD, Prof., SPAIN David Barastegui, MD, PhD, MSc, SPAIN Alfred Ferré-Aniorte, PT, SPAIN Patricia Laiz Boada, BSc, SPAIN Eduard Alentorn-Geli, MD, PhD, MSc, FEBOT, FACGME, SPAIN Gilbert Steinbacher, MD, SPAIN Ramon Cugat Bertomeu, MD, PhD, SPAIN
Anterior Cruciate Ligament Reconstruction: Effect of Age on Early to Mid-Term Clinical Outcomes ePoster Presentation Oliver Mann, MBBS, MRes, UNITED KINGDOM Oday Al-Dadah, MBChB, MD, FRCS (Tr & Orth), UNITED KINGDOM
Bear-Moon Intra-Operative Findings Including An Analysis Of Reasons For Failed Screening ePoster Presentation Marc Tompkins, MD, UNITED STATES
Outcomes Following Anterior Cruciate Ligament Reconstruction With Patellar Tendon Autograft And Internal Brace Augmentation Plus Anterolateral Ligament Internal Bracing ePoster Presentation Rachel McIntyre, MBChB, MRCS, BMSc, UNITED KINGDOM Zak R Maas, MBChB, MRCS, BMSc, UNITED KINGDOM Nathan Edgar, MBChB, UNITED KINGDOM Graeme P. Hopper, MBChB, MSc, MRCSEd, MFSTEd, MD, FRCSGlas (Tr&Orth), UNITED KINGDOM William Thomas Wilson, MBChB BSc(MedSci) FRCS (Tr&Orth) MFSEM(UK), UNITED KINGDOM Gordon M Mackay, MB ChB, BSc, FRCS, MD, UNITED KINGDOM
Posterior Tibial Slope Reducing Osteotomy At The Supra- Versus Infratuberosity Level: A Comparative Radiography-Based Morphometric Analysis Of Wedge Thickness Required To Correct One Degree Of Slope In A Multiple Revision ACL Cohort ePoster Presentation Mahmut Enes Kayaalp, MD, Assoc. Prof., TURKEY Jumpei Inoue, MD, UNITED STATES Camila Grandberg, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES
Does Return To Preinjury Levels Of Performance Affect Graft Remodeling After Anterior Cruciate Ligament Reconstruction Using Bone-Patellar Tendon-Bone Autograft? : A Serial 3T-Mri Study ePoster Presentation Tomohiro Tomihara, MD, JAPAN Yusuke Hashimoto, MD, PhD, JAPAN Shiro Okazaki, MD, JAPAN Junsei Takigami, MD, PhD, JAPAN Akira Yoneda, JAPAN
Comparação Entre Comprimento Total E Metade Anterior Dos Enxertos Do Tendão Do Perônio Longo Para Reconstruções Do Ligamento Do Joelho. ePoster Presentation Diego Escudeiro, MSc, BRAZIL Juliano Malpaga, MD, BRAZIL Vitor Barion Castro De Padua, PhD, BRAZIL Sergio Marinho De Gusmão Canuto, BRAZIL Pedro Baches Jorge, PhD, BRAZIL
Modified All Inside Acl Reconstruction ePoster Presentation Suresh Perumal, MS(Orth), INDIA Arumugam Sivaraman, MS(Orth), AB(IM)(USA), FRCS(Glasg), INDIA Parthiban Jeganathan, MS, INDIA Prakash Ayyadurai, MS, INDIA
Low Failure Rates And Promising Outcomes In Primary Acl Repair: A Retrospective Cohort Study In A Carefully Selected Patient Population ePoster Presentation Juan Pablo Zicaro, MD, ARGENTINA Ignacio E. Astore, MD, ARGENTINA Carlos H. Yacuzzi, MD, ARGENTINA Ignacio Garcia-Mansilla, MD, ARGENTINA JUAN FELIX F. ASTOUL BONORINO, MD, ARGENTINA Matias Costa-Paz, MD, PhD, ARGENTINA
Longitudinal Changes In Thigh Musculature Following Anterior Cruciate Ligament Tear: A Between-Subject Matched Mri Quantitative Analysis On Osteoarthritis Initiative Data ePoster Presentation Jean Fleuriscar, MD, UNITED STATES Bahram Mohajer, MD-MPH, UNITED STATES Shadpour Demehri, MD, UNITED STATES Bashir Zikria, MD MSc., UNITED STATES
Youth Male Football Players Undergoing Anterior Cruciate Ligament Reconstruction Demonstrate High Rates Of Return To Sport And Progression To Professional Level Football ePoster Presentation Gabriel Furlan Margato, MD, BRAZIL Gilvan Rodrigues da Silva Nunes, MD, BRAZIL Davi Casadio, MD, BRAZIL Moises Cohen, MD, PhD, Prof., BRAZIL Diego Costa Astur, MD, PhD, BRAZIL
Evaluation Of The Peroneus Longus Tendon As An Autologous Graft In Knee Surgery. ePoster Presentation Diego Escudeiro, MSc, BRAZIL Juliano Malpaga, MD, BRAZIL Vitor Barion Castro De Padua, PhD, BRAZIL Sergio Marinho De Gusmão Canuto, BRAZIL Pedro Baches Jorge, PhD, BRAZIL
Size Considerations In The Harvesting Of Quadriceps Tendon Grafts – A Cadaveric Study Investigating The Effects Of Graft Harvest On Tendon Properties ePoster Presentation Anja M. Wackerle, MD, GERMANY William G. Gamble, BS, UNITED STATES Armin Runer, PD MD, GERMANY Svenja Höger, MD, GERMANY Camila Grandberg, MD, UNITED STATES Michael P. Smolinski, BS, UNITED STATES Mark C. Miller, PhD, UNITED STATES Patrick J. Smolinski, PhD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES
No Difference In Clinical Outcomes, Revision Rates, Or Sports Participation Between Hamstring And Quadriceps Tendon Autografts For ACL Reconstruction In Pediatric And Adolescent Patients: A Prospective Cohort Study ePoster Presentation Amit Meena, MBBS, MS, DNB, INDIA Luca Farinelli, MD, ITALY Riccardo D'Ambrosi, MD, ITALY Elisabeth Abermann, MD, AUSTRIA Mirco Herbort, MD, Prof., GERMANY Christian Hoser, MD, AUSTRIA Christian Fink, MD, Prof., AUSTRIA
A New Method For Accurately Predicting The Femoral ACL Footprint Using Bony Landmarks: A Cadaver Study ePoster Presentation Takashi Kozu, MD, JAPAN Makoto Suruga, MD, JAPAN Takanori Iriuchishima, MD, PhD, JAPAN Yoshiyuki Yahagi, MD,PhD, JAPAN Jin Sato, MD, JAPAN Hyunho Lee, MD, PhD, JAPAN Kazuyoshi Nakanishi, Prof., JAPAN
Sensory Loss After Hamstring Graft Harvest In Acl Reconstruction: A Prospective Comparative Study Of Anterior Vs. Posterior Harvest Techniques ePoster Presentation Samundeeswari Saseendar, MBBS, MS Ortho, MBA HHSM, INDIA Saseendar Shanmugasundaram, MBBS, MS, DNB, MNAMS, Dip SICOT, INDIA
Rate of Second Injuries After ACL Reconstruction and Lateral Tenodesis with Hamstrings in 318 Teenager Patients at an Average Follow-Up of 7 Years ePoster Presentation Alberto Grassi, PhD, ITALY Gian Andrea Lucidi, MD, ITALY Andrea Pierangeli, MD, ITALY Giacomo Dal Fabbro, MD, AUSTRALIA Piero Agostinone, MD, ITALY Nicola Pizza, MD, ITALY Luca Ambrosini, MD, ITALY Stefano Zaffagnini, MD, Prof., ITALY
Outcomes of ACL Reconstruction Utilizing Supercritical CO2-Sterilized Allografts ePoster Presentation Keran Sundaraj, MBBS MCs (Trauma) FRACS FAOA, AUSTRALIA John Farey, MBBS (Hons) MMed (Clin Epi), AUSTRALIA Justin P. Roe, MB BS BSc(Med) Hons, A/Prof., AUSTRALIA Lucy J. Salmon, PhD, AUSTRALIA Vivianne Russell, BSC(Biomed), AUSTRALIA Leo A. Pinczewski, MBBS, FRACS, FAOA, AUSTRALIA
Accuracy Of Femoral Tunnel Placement Using The Anatomic Double-Bundle 2-In-1 Acl Guide System In Acl Double-Bundle Reconstruction ePoster Presentation Kuniaki Ikeda, MD, PhD, JAPAN Shuhei Otsuki, MD, JAPAN Takashi Ishitani, MD, JAPAN
Impact of Graft Type on Failure Rates in Bicruciate Ligament Reconstruction ePoster Presentation Ya-Wen Tsai, MD, TAIWAN Kun-Han Lee, MD, TAIWAN Hsuan‑Hsiao Ma, MD, TAIWAN Kun-Hui Chen, MD, TAIWAN En-Rung Chiang, MD, PhD, TAIWAN
Atypical Multi-Ligamentous Knee Injury(Mlki) - Binary Injury With One Or Either Cruciate Avulsion And Another Cruciate Tear With Or Without Collateral Ligament Injury Following Road Traffic Accidents (Rta) ePoster Presentation Rajagopalakrishnan Ramakanth, D.ortho, DNB(ortho), D.SICOT, INDIA Silvampatti Ramasamy Sundararajan, MS(Orth), INDIA
Clinico-Radiological Outcomes Of Arthroscopic All Inside Anterior Cruciate Ligament Reconstruction By Single Tibial And Double Femoral Socket Technique Using Autogenous Semitendinosus Graft: - A Novel Approach ePoster Presentation Vinod Kumar, MBBS, MS, DNB, MNAMS, INDIA Shashank Verma, MBBS, MS, INDIA
The Positive Pivot Shift Test In External Rotation Predicts The Presence Of Meniscal Ramp Lesion In Patients With Anterior Cruciate Ligament Injury. ePoster Presentation Stefano Gaggiotti, MD, ARGENTINA Lucas Martorell, MD, SPAIN Jesus Duenas, Dr, SPAIN Robert Etienne Partarrieu Stegmeier, MD, CHILE Juan Manuel Fernández Dominguez , MD, SPAIN Gabriel Gaggiotti, MD, ARGENTINA Francisco J. Simón-Sánchez, MD, SPAIN Nicola Pizza, MD, SPAIN Raúl Torres-Claramunt, PhD, SPAIN Daniel Pérez-Prieto, MD, SPAIN Àngel Masferrer-Pino, MD PhD, SPAIN Joan Carles Monllau, MD, PhD, Prof., SPAIN
Perioperative Work in ACL Reconstruction is Undervalued by Relative Value Scale Update Committee Methodology: Quantifying ACL Reconstruction Workload in a Single Surgeon's Practice ePoster Presentation Shelby Cate Hodges , BS, UNITED STATES Juan J Gordillo, BS, UNITED STATES Mathew Hargreaves, BS, UNITED STATES Clay Rahaman, BA, UNITED STATES Dev Dayal, BS, UNITED STATES Maxwell Harrell, BS, UNITED STATES Eugene W. Brabston III, MD, UNITED STATES Thomas Evely , DO, UNITED STATES Aaron J. Casp, MD, UNITED STATES Amit Momaya, MD, UNITED STATES
Radiological Outcomes Following Anterior Cruciate Ligament Repair With Internal Bracing Compared To Reconstruction With Hamstring Autograft ePoster Presentation William Thomas Wilson, MBChB BSc(MedSci) FRCS (Tr&Orth) MFSEM(UK), UNITED KINGDOM Khalid Ali, MBChB, UNITED KINGDOM Jason Jacob, MBChB FRCR, UNITED KINGDOM Angus Paterson, MBChB MRCS, UNITED KINGDOM Graeme P. Hopper, MBChB, MSc, MRCSEd, MFSTEd, MD, FRCSGlas (Tr&Orth), UNITED KINGDOM Matthew Banger, EngD, UNITED KINGDOM Philip E Riches, PhD, UNITED KINGDOM Mark Blyth, MB ChB, FRCS (TR Orth), UNITED KINGDOM Gordon M Mackay, MB ChB, BSc, FRCS, MD, UNITED KINGDOM
Bone-Patellar Tendon- Bone (BPTB) Allografts Are Safe And Effective Grafts For ACL One-Stage Revision: A Consecutive Series Of 38 Patients With At Least 2 Years Follow-Up. ePoster Presentation Marco Turati, MD, ITALY Filippo Maria Anghilieri, MD, ITALY Marco Crippa, MD, ITALY Massimiliano Piatti, MD, ITALY Luca Rigamonti, MD, ITALY Marco Bigoni, ITALY
Patellar Tendon Healing After ACL Reconstruction: A Randomized Controlled Trial Of Repair Techniques ePoster Presentation Suwittaya Thienpratharn, MD, THAILAND
Posterior Tibial Slope In The Paediatric Population - What Is Normal And How Reliable Is Radiographic Measurement? ePoster Presentation Dominic Patrick O'Dowd, MBChB, BSc(SEM), MSc(SEM), FRCS(Tr&Orth), UNITED KINGDOM Robert Alex Fawdry, MBChB, MRCS, UNITED KINGDOM Rizwan Arshad, MBChB, FRCS(Tr&Orth), UNITED KINGDOM Kai Sampson, Pending MBChB, UNITED KINGDOM
General Prediction Theory for Anterior Cruciate Ligament Graft Sizing ePoster Presentation Glen Liau , MBBS, MRCS, MMed, FRCS, FAMS, MBA, SINGAPORE Alexander Shao-Rong Pang, MBBS, SINGAPORE Matthew Song Peng Ng, MBBS, SINGAPORE
Thicker And Shorter Hamstring Tendon Autograft Can Improve Graft Survival In Double Bundle Anterior Cruciate Ligament Reconstruction: A Propensity Score-Matched Comparative Study ePoster Presentation Joo-Hwan Kim, MD, KOREA, REPUBLIC OF Joon Ho Wang, MD, PhD, KOREA, REPUBLIC OF Seung Pil Jang, MD, PhD, KOREA, REPUBLIC OF Abdulhafiz Abdulrazzaq Wazuddin , MD , SAUDI ARABIA Younghoon Yang, MD, KOREA, REPUBLIC OF
Outcomes Of Bicruciate Ligament Reconstruction: A Systematic Review ePoster Presentation Gina K Peck, MD, CANADA Jenny He, MD, CANADA Yasir AlShehri, MD, CANADA Jordan Michael Leith, MD, FRCSC, CANADA Mark Owen Mcconkey, MD, FRCSC, CANADA Parth Lodhia, MD, FRCSC, CANADA
Preserving The Semitendinosus Distal Attachment Is Associated With Improved Graft Remodeling After Acl Reconstruction ePoster Presentation Nicolas Vari, MD, FRANCE Vincent Marot, MD, FRANCE Thomas Ripoll, MD, FRANCE Emilie Berard, MD, FRANCE Etienne Cavaignac, MD,PhD, FRANCE
Short-Term Outcomes Of Meniscus Repair Are Not Clinically Worse Than Arthroscopic Partial Meniscectomy: A Retrospective Cohort Study Of 219 Patients ePoster Presentation Glen Liau , MBBS, MRCS, MMed, FRCS, FAMS, MBA, SINGAPORE Thirukumaran Kamaraj, MBBS, SINGAPORE Ying Ren Mok, MBBS, MRCS, MRCS, MSpMed, SINGAPORE Kennan Yeo, MBBS, SINGAPORE Yee-Han Dave Lee, MBBS, FRCS(Ortho), SINGAPORE
High Levels Of Kinesiophobia Adversely Affect 1-Year And 2-Year Outcomes Post Anterior Cruciate Ligament Reconstruction In An Asian, Non-Athlete Population ePoster Presentation Nicole Lee, MBBS, SINGAPORE Jegathesan T, MBBS, MRCS, MMed (Ortho), FRCS (Ortho), SINGAPORE Teong Jin Lester Tan, MBBS, MRCS, MMed (Ortho), FRCS (Ortho), SINGAPORE Keng Thiam Lee, MBBS(SPORE), MMED(ORTHO)(SPORE), FRCSEd(ORTHO), SINGAPORE Sean W.L. Ho, MBBS, MRCS, MMed (Ortho), FRCS (Ortho), SINGAPORE
Can the posterior femoral cartilage be used as an anatomical reference for the creation of the femoral tunnel in anterior cruciate ligament reconstruction? ePoster Presentation Viktor Nelson Mazzola Corrêa, MD, BRAZIL Ricardo P.L. Cury, MD, BRAZIL Luiz Gabriel B. Guglielmetti, MD, PhD, BRAZIL Alfredo D. Netto, MD, BRAZIL Nayra Anjos Rabelo, BRAZIL Victor M. Oliveira, MD, PhD, BRAZIL
Non-biased analysis of ACL tissue identifies sex-based differences in gene expression and a novel ligament progenitor population with distinct differentiation capacity ePoster Presentation Justin H. Lau, BS, UNITED STATES Steven M Garcia, MD, MS, UNITED STATES Aboubacar Wague, BA, UNITED STATES Miguel Lizarraga, BS, UNITED STATES Sankalp Sharma, BS, UNITED STATES Alex Youn, AB, UNITED STATES Grace D Oconnell, PhD, UNITED STATES Stephanie E Wong, MD, UNITED STATES Xuhui Liu, MD, UNITED STATES Brian T. Feeley, MD, UNITED STATES
Push Back and Pull Down to Socket Manoeuvre. An Effective Technique to Engage Graft into Tibial Socket in All Inside ACL Reconstructions ePoster Presentation Sreejith G. Thundathil, DOrth, MS(Orth), INDIA Nidhin Sarath, DIPLOMA IN ORTHOPAEDICS, DNB, INDIA Nihal Suresh, MS ORTHOPEDICS,DNB ORTHOPEDICS, INDIA
Long-Term Subjective Outcomes Between Single-Bundle And Double-Bundle Anterior Cruciate Ligament Reconstruction: Impact Of Meniscal Injury Status ePoster Presentation Yi-Sheng Chan, MD, Prof., TAIWAN
Biomechanical Comparison of ACL-R Using an Iliotibial Band Autograft Reinforcement and Bone Patellar Tendon Bone Graft With and Without Lateral Extra-Articular Tenodesis ePoster Presentation Emre Anıl Özbek, MD, TURKEY Armin Runer, PD MD, GERMANY Michael Dinenna, BS, UNITED STATES Monica A. Linde, MSIE, RN, UNITED STATES Patrick J. Smolinski, PhD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES Yi-Meng Yen, MD, UNITED STATES Ben E. Heyworth, MD, UNITED STATES Michael McClincy, MD, UNITED STATES
Clinically Meaningful Treatment Effect Subgroups Exist Following Anterior Cruciate Ligament Reconstruction: Optimizing Patient Selection Through A Machine Learning Approach ePoster Presentation Yining Lu, MD, UNITED STATES Louis S. Kang, BS, UNITED STATES Sophia Mavrommatis, MD, UNITED STATES Aaron J. Krych, MD, UNITED STATES Christopher L. Camp, MD, UNITED STATES Adam J Tagliero, MD, UNITED STATES
Retrospective Study Of Clinical And Functional Outcome Following Infected ACL Reconstruction. ePoster Presentation Chandrasekaran Gunasekaran, MS Ortho,DNB Ortho, INDIA
Use Of Tourniquet In Anterior Cruciate Ligament Reconstruction: Is It Truly Necessary? A Prospective Randomized Clinical Trial ePoster Presentation Riccardo D'Ambrosi, MD, ITALY Federico Valli, MD, ITALY Pietro Marchetti, MD, ITALY
Obstacle Course Races Present a Notable Risk for Anterior Cruciate Ligament Injury, Especially in High-Impact Landing Maneuvers and For Female Athletes ePoster Presentation Natasja Lessiohadi, BA, UNITED STATES James Pai, MS, UNITED STATES William Goodman, BS, UNITED STATES Nicholas E. Ganek , BA, UNITED STATES Ariel Kesick, MS, UNITED STATES Mia Rumps, MS, UNITED STATES Mary K. Mulcahey, MD, UNITED STATES
Increased Age, Weight, and Body Mass Index Increase the Likelihood of Total Knee Replacement Following Anterior Cruciate Ligament Reconstruction ePoster Presentation Jessica Sheldon, BS, UNITED STATES Sonu Bae, BS, UNITED STATES Parker Cavendish, BS, UNITED STATES Eric Milliron, BS, UNITED STATES Spencer E. Talentino, MD, UNITED STATES Tyler Barker, PhD, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES David C. Flanigan, MD, UNITED STATES Robert A. Magnussen, MD, MPH, UNITED STATES
Iliotibial Band Autograft Is A Suitable Alternative Graft For Anterior Cruciate Ligament Reconstruction: A Systematic Review And Meta-Analysis Of Outcomes ePoster Presentation Thibaut Lucena, MD, FRANCE Vincent Marot, MD, FRANCE Christian Lutz, MD, PhD, FRANCE Emilie Berard, MD, FRANCE Etienne Cavaignac, MD,PhD, FRANCE
Risk Factors of ACL Injury: Anatomical Lower Limb Alignment in ACL Deficient Versus ACL Intact Knees: A Case Control Study ePoster Presentation Ashish Devgun, Prof., MS, MSc(Trauma), INDIA
Association of Notch Width Index and Long-term Patient Reported Outcomes Measures in High Lateral Tibial Slope Patients after Anterior Cruciate Ligament Reconstruction ePoster Presentation Chieh-An Chuang, MD, TAIWAN Chen-Heng Steven Hsu, MD, TAIWAN Huan Sheu, MD, TAIWAN You Hung Cheng, TAIWAN Alvin Chao-Yu Chen, Prof, TAIWAN Joe Chih-Hao Chiu, MD, PhD, TAIWAN Yi-Sheng Chan, MD, Prof., TAIWAN
Comparison of Collagen-Type Composition by Layer and Physical Maturity in Quadriceps Tendons ePoster Presentation Yushin Mizuno, MSc, PT, JAPAN Yasushi Takata, MD, PhD, JAPAN Yoshihiro Ishida, MD, JAPAN Naoki Takemoto, MD, JAPAN Manase Nishimura, MD, JAPAN Takuya Sengoku, PT, PhD, JAPAN Junsuke Nakase, MD, PhD, JAPAN
MRI Findings vs. Clinical Outcomes: Do MRI Measurements Reflect Clinical Status in Patients After ACL Reconstruction? ePoster Presentation Maciej Biały , PhD, POLAND Wojciech Szewczyk, MD, POLAND Michał Marek, MD, POLAND
Risk Factors For Passive Anterior Tibial Subluxation on MRI In Complete Anterior Cruciate Ligament Tears ePoster Presentation Ignacio Garcia-Mansilla, MD, ARGENTINA Ignacio Astore, MD, ARGENTINA Camila Juana, MD, ARGENTINA Juan Pablo Zicaro, MD, ARGENTINA Carlos H. Yacuzzi, MD, ARGENTINA Matias Costa-Paz, MD, PhD, ARGENTINA
Simultaneous Strain Measurements Of The Knee Ligaments In Intact And ACL Deficient Knees – A Cadaver Study Using A 6 Degrees-Of-Freedom Robotic Simulator ePoster Presentation Winston Lim, MBBS, MRCS, M.Med, SINGAPORE Ajinkya Achalare , MS, DNB, FIAS, FASS, INDIA Jun Liang Lau, B.Eng, PhD, SINGAPORE Andy Yew, PhD, SINGAPORE Pivatidevi PAREATUMBEE, B.Eng , SINGAPORE Siaw Meng Chou, B.Eng, PhD, SINGAPORE Denny T. T. Lie, MBBS, FRCS, FAMS, SINGAPORE
Do Age And Gender Effect Normal-Knee Joint Laxity Characteristics In ACL Reconstructed Patients? ePoster Presentation Alexander S. Nicholls, MSc, FRACS, AUSTRALIA Harbeer Ahedi, PhD Biomedical Sciences, AUSTRALIA
Delayed Anterior Cruciate Ligament Reconstruction For More Than 1 Year In Middle-Age Patients Is Associated With Elevated Risk Of Medial Meniscus Injury ePoster Presentation Kun-Hui Chen, MD, TAIWAN Wei-Lin Chang, MD, TAIWAN En-Rung Chiang, MD, PhD, TAIWAN Ma Hsiao-Li, TAIWAN
Higher Single Assessment Numeric Evaluation (Sane) Scores are Consistent With Surgical Leg Dominance After ACL Reconstruction in Male And Female Patients ePoster Presentation Olivia L Lynch, BA, UNITED STATES Campbell Y Goldsmith, BA, UNITED STATES Polly de Mille, RN, MA, ACSM-CEP, CSCS, UNITED STATES Theresa Chiaia, DPT, UNITED STATES Ruth H. Jones, BS, UNITED STATES Ryann Davie, MD, UNITED STATES Peter D. Fabricant, MD, MPH, UNITED STATES Beth Ellen Shubin Stein, MD, UNITED STATES Michelle E. Kew, MD, UNITED STATES
Prepubescent ACL Copers Versus Noncopers: A Biomechanical Comparative Analysis of Pediatric Patients Following an ACL Injury ePoster Presentation Henry B. Ellis, MD, UNITED STATES Ashley Erdman, BS, MBA, UNITED STATES Sophia Ulman, PhD, UNITED STATES Alex Loewen, MS, UNITED STATES James McGinley, BS, UNITED STATES Benjamin Johnson, PA-C, UNITED STATES Philip Wilson, MD, UNITED STATES
Postoperative Analysis Of Femoral Tunnel Position By Ct Scan After Acl Reconstruction With Btb Graft By Modified Transtibial Technique ePoster Presentation Arumugam Sivaraman, MS(Orth), AB(IM)(USA), FRCS(Glasg), INDIA Suresh Perumal, MS(Orth), INDIA Prakash Ayyadurai, MS, INDIA Bhupesh Karthik Balasubramanyan, MBBS, MS(Ortho), INDIA Parthiban Jeganathan, MS, INDIA
Associated Medial Meniscal Injury With ACL Reconstruction Results In Poorer Strength and Jump Tests Outcomes: A 6-Month Analysis of a 504 Patients from the MERIscience Cohort ePoster Presentation Clement Cazemajou, Resident, FRANCE Thibault Marty-Diloy, MD, FRANCE Nicolas Graveleau, MD, FRANCE Pierre Laboudie, MD, FRANCE Nicolas Bouguennec, MD, FRANCE
A Large Medial Posterior Tibial Slope Leads To Worse Rotational Instability After Anterior Cruciate Ligament Reconstruction Over Time ePoster Presentation Kensaku Abe, MD, PhD, JAPAN Masahiro Nozaki, MD, PhD, JAPAN Hiroaki Fukushima, MD, PhD, JAPAN Shunta Hanaki, MD, JAPAN Kyohei Ota, MD, JAPAN Makoto Kobayashi, MD, PhD, JAPAN Yusuke Kawanishi, JAPAN Jiro Kato, JAPAN Hideki Murakami, MD, PhD, JAPAN
Hamstring Autografts May Lead To Better Dynamic Postural Stability Than Tibialis Anterior Allografts Following Anterior Cruciate Ligament Reconstruction With Remnant Preservation: A Prospective Comparative Study With 1-Year Follow-Up ePoster Presentation Jin Hyuck Lee, PT, PhD, KOREA, REPUBLIC OF Seo-Jun Lee, MD, KOREA, REPUBLIC OF Ki-Mo Jang, MD, PhD, Prof., KOREA, REPUBLIC OF
Tibial Suspensory Fixation Demonstrated Similar Functional Outcomes And Stability With Lesser Tunnel Widening And Better Graft Incorporation Compared To Tibial Interference Screw In Hamstring Graft ACL Reconstruction -A Systematic Review And Meta-Analysis ePoster Presentation Nayeem Zafar Hali, MBBS, MS(Ortho.), FRCS (Trauma & Orth.), UNITED KINGDOM Hersh Punjani, MBChB, UNITED KINGDOM Muaaz Tahir, BSc, MBBS, FRCS (Tr & Orth), FSEM(UK), UNITED KINGDOM Jimmy Ng, BMBS, FRCS, UNITED KINGDOM Osama Adil Aweid, MBBS BSc MSc FRCS MFSEM, UNITED KINGDOM Tarek Boutefnouchet, MBChB MRCS PGCMed MSc FRCS (Tr&Orth) Dip. FIFA Med, UNITED KINGDOM Jarret M. Woodmass, MD, FRCSC, CANADA Peter D'Alessandro, MBBS (Hons), FAOrthA, FRACS, AUSTRALIA Shahbaz S. Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM
Severity of Additional Injuries Associated with Primary ACL Injuries in Professional and Amateur Soccer Athletes ePoster Presentation Kyle Borque, MD, UNITED STATES Dylan Ngo, BS, UNITED STATES Mitzi S Laughlin, PhD, UNITED STATES Vítor Hugo Pinheiro, MD, MSc, PORTUGAL Ganesh Balendra, MBBS, AUSTRALIA Mary Jones, MSc, Grad. Dip. Phys., UNITED KINGDOM Andy Williams, MBBS, FRCS(Orth), FFSEM(UK), UNITED KINGDOM
Outcomes of Single Stage Combined Anterior Closing Wedge Proximal Tibial Osteotomy, Bone-Patellar Tendon-Bone Revision ACLR and a Modified Lemaire Procedure in Patients with Increased Posterior Tibial Slope ePoster Presentation Jesper Fritz, MD, PhD, UNITED ARAB EMIRATES Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, QATAR Ronald J. Van Heerwaarden, MD, PhD, NETHERLANDS Luke V. Tollefson, BS, UNITED STATES Sébastien Parratte, MD, PhD, Prof., UNITED ARAB EMIRATES Robert F. LaPrade, MD, PhD, UNITED STATES Charles Henry Brown, MD, UNITED STATES

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Does Response Shift Theory Explain Why We Are Underestimating Treatment Effects In Patient Reported Outcomes Following Anterior Cruciate Ligament Reconstruction?

Does Response Shift Theory Explain Why We Are Underestimating Treatment Effects In Patient Reported Outcomes Following Anterior Cruciate Ligament Reconstruction?

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Does Response Shift Theory Explain Why We Are Underestimating Treatment Effects In Patient Reported Outcomes Following Anterior Cruciate Ligament Reconstruction?

Does Response Shift Theory Explain Why We Are Underestimating Treatment Effects In Patient Reported Outcomes Following Anterior Cruciate Ligament Reconstruction?

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