Summary: The purpose of our study was to evaluate the available data of the current literature investigating isolated ACL ruptures treated with either surgical reconstruction or conservative methods and comparing them by functional and radiological outcomes.

Background

Anterior cruciate ligament (ACL) tear is one of the most common knee injuries, which is a risk factor of early onset of osteoarthritis (OA). Gold standard treatment is surgical reconstruction and conservative treatment is reserved as an alternative. Despite ACL injuries being well studied, until today we still do not understand which option is better to prevent knee OA. Our aim was to investigate the patients with isolated ACL ruptures treated with either surgical reconstruction or conservative methods and compare them by functional and radiological outcomes.

Materials And Methods

This review was registered on PROSPERO (CRD42021285901). We systematically searched three databases until 25 October, for comparing ACL reconstruction with conservative treatment. Main outcomes were radiologic signs and function parameters. Meta-analytical calculations for mean differences (MDs) and odds ratios (ORs) were performed with the common-effects model and interpreted with 95% confidence intervals (CIs).

Results

A total of 5 studies were included in the quantitative synthesis. Conservatively treated knees have lower odds to develop radiological signs of OA (OR=1.84 [CI: 0.90; 3.75]) despite surgically reconstructed ones have better stability thru arthrometry measures (MD=-2.44 [CI: -3.21; -0.66]) and not significantly better Lysholm scores (MD=2.88 [CI: -1.09; 6.85]). In the qualitative synthesis, there were tendencies showing surgical reconstruction being protective for subsequent injuries, but not being superior regarding returning to previous activity levels or various functional tests.

Conclusions

Based on our findings there is no certain evidence that reconstruction of an isolated ACL injury is superior compared to conservative treatment, in terms of subjective outcome, protection of osteoarthritic changes and return to play, despite passive stability being better for reconstructed knees. Therefore, non-operative treatment should be considered before deciding for surgical intervention.

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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
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 D'Alessandro, MBBS Hons. (UWA) FRACS FAOrthA, AUSTRALIA
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, Prof., GERMANY Christian Peez, MD, GERMANY Thorben Briese, MD, GERMANY Elmar Herbst, MD, PhD, GERMANY Christoph Kittl, MD, MD(res), GERMANY Johannes Glasbrenner, MD, GERMANY
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
Effect of Intra-articular Drain on Pain in Postoperative Arthroscopic Anterior Cruciate Ligament Reconstruction: A Randomized control trial ePoster Presentation Artit Boonrod, MD, THAILAND Sarat Tiangwan, MD, THAILAND Aumjit Wittayapairoj, MD, , THAILAND Sermsak Sumanont, MD, THAILAND Punyawat Apiwatanakul, MD, THAILAND Khananut Jaruwanneechai, MD, THAILAND
Adductor Canal Block is Superior to Femoral Nerve Block for Early Postoperative Pain Relief after Single Bundle Anterior Cruciate Ligament Reconstruction with Hamstring Autograft ePoster Presentation Takeshi Oshima, MD, PhD, JAPAN Junsuke Nakase, MD, PhD, JAPAN Kengo Shimozaki, MD, JAPAN Rikuto Yoshimizu, JAPAN Mitsuhiro Kimura, JAPAN Tomoyuki Kanayama, MD, JAPAN Yusuke Yanatori, MD, JAPAN Hiroyuki Tsuchiya, JAPAN
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 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
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
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
Isolated Anatomic Reconstruction of Anterior Cruciate Ligament in Sportsmen with High Pivot Shift Grade: Is it Enough for Rotational Stability? ePoster Presentation Mohamed Amine Gharbi , MD, TUNISIA Moatassem Belleh Jelassi, MD, TUNISIA Houssem Eddine Chahed, MD, TUNISIA Ahmed Zendeoui, MD, TUNISIA Anis Tebourbi, MD, TUNISIA Ramzi Bouzidi, PhD, TUNISIA Khelil Ezzaouia, PhD, TUNISIA Mouadh Nefiss, MD, TUNISIA
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 Tim Yun Ong, MBChB(UK), BSc(UK), MRCS(Edin), MSc(CUHK), FRCSEd, HONG KONG Patrick S. H. Yung, MBChB, FRCS(Orth), FHKCOS, FHKAM, FRCS, HONG KONG
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
Low Failure Rate In A Young Cohort Of Patients Undergoing Anterior Cruciate Ligament Reconstruction With Quadriceps Tendon is Independent of Graft Fixation Methods ePoster Presentation Sahil Dadoo, BS, UNITED STATES Zachary J Herman, MD, UNITED STATES Nicholas P Drain, MD, UNITED STATES Ehab M Nazzal, MD, UNITED STATES Raghav Ramraj, BS, UNITED STATES Fritz Steuer, BS, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES
A Prospective Comparison of Postoperative Pain and Opioid Consumption between Primary Repair and Reconstruction of the Anterior Cruciate Ligament ePoster Presentation Sebastian Rilk, MD, UNITED STATES Harmen D. Vermeijden, MD, UNITED STATES Xiuyi A Yang, M.S., UNITED STATES Robert O'Brien, MHS, PA-C, UNITED STATES Jelle P. van der List, MD, PhD, NETHERLANDS Gregory S. Difelice, 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
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
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
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
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
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
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, MD MBA FRCSC, CANADA
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
Time From ACL Injury Time To Surgery: Evaluating A Multifaceted Set of Potential Predictors 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
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
Comparison Outcome of Home Based Versus Supervised Physiotherapy Rehabilitation Post Anterior Cruciate Ligament (ACL) Reconstruction in Recreational Athletes : A Randomised and Single Blind Study ePoster Presentation Muhammad Rajaei Ahmad, MBBS, Master of Medicine (Orthopaedics), MALAYSIA Muzaffar Tengku Shihabudin, M.Med (Ortho), MALAYSIA
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
New Injuries Within 2 Years After Acute ACL Injury Treated With Either ACL Reconstruction and Rehabilitation or With Rehabilitation Alone ePoster Presentation Anna Samuelsson Selin , MD, PhD student, SWEDEN Hakan Gauffin, MD PhD, SWEDEN Anne Fältström, PhD, SWEDEN Joanna Kvist, Professor, SWEDEN
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
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, PhD, JAPAN Ryo Sasaki, MD, PhD, 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
Double Bundle ACL Revision Reconstruction with Allograft Resulted In a Low Revision Rate At 10 Year ePoster Presentation Luca Macchiarola, MD, ITALY Nicola Pizza, MD, ITALY Alberto Grassi, PhD, ITALY Giacomo Dal Fabbro, ITALY Stefano Zaffagnini, MD, Prof., ITALY
Clinical Outcome Of Bicruciate Ligament Reconstruction In Multiple Knee Ligament Injuries: Comparison With Bicruciate And Collateral Ligament Reconstructions ePoster Presentation Zenta Jotoku, MD, PhD, JAPAN Eiji Kondo, MD, PhD, JAPAN Koji Iwasaki, MD, PhD, JAPAN Tomohiro Onodera, MD, PhD, JAPAN Daisuke Momma, PhD, JAPAN Kazunori Yasuda, MD, PhD, Prof., JAPAN Norimasa Iwasaki, MD, PhD, JAPAN
Concomitant Chondral Injury and ACL Reconstruction ePoster Presentation Emily Schueppert, BS, UNITED STATES S. Ali Ghasemi, MD, UNITED STATES Diannemarie Omire-Mayor, MD, UNITED STATES Arthur R Bartolozzi, MD, UNITED STATES
No Evidence of Racial Disparities in Revision Risk Following ACL Reconstruction in a Single Healthcare Network Despite Increased Social Disadvantage Among Black Patients ePoster Presentation Ian DeYoe Engler, MD, UNITED STATES Sahil Dadoo, BS, UNITED STATES William T. Li, MD, UNITED STATES Robert Tisherman, UNITED STATES Audrey Y. Chang, BA, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES
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
Clinical and Social Predictors Of Surgical Treatment for ACL Injuries ePoster Presentation Miho J. Tanaka, MD, PhD, UNITED STATES Harrison Hubbell, BA, UNITED STATES Nadine Jackson McCleary, MD, MPF, UNITED STATES Endel John Orav, PhD, UNITED STATES
Comparative Results Of Anterior Cruciate Ligament Reconstruction With Full Tibial Tunnel: Quadrupled Semitendinosus Suspensory Femoral And Tibial Fixation Versus Quadrupled Semitendinosus and Gracilis Suspensory Femoral and Tibial Screw & Staple Fixation ePoster Presentation Mahir Mahirogullari, MD, Prof., TURKEY Lokman Kehribar, MD, TURKEY Serkan Surucu, MD, UNITED STATES Mahmut Enes Kayaalp, MD, TURKEY Ali Kerim Yılmaz, PhD, TURKEY Mahmud Aydın, MD, TURKEY
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
Static Anterior Tibial Translation After Anatomic ACLR: An MRI Analysis ePoster Presentation Ignacio Garcia-Mansilla, MD, ARGENTINA Fernando Holc, 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
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, MD, ITALY Giada Lullini, MD, PhD, ITALY Stefano Zaffagnini, MD, Prof., ITALY Giulio Maria Marcheggiani Muccioli, MD, PhD, Associate Professor, ITALY
Tibial Tunnel Aperture Migration After Anatomical Rectangular Tunnel ACL Reconstruction using Bone-Patellar Tendon-Bone Autografts 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 Tomofumi Kage, JAPAN Takahiro Arakawa, MD, JAPAN Sakae Tanaka, MD, PhD, JAPAN
Outcomes of Isolated HTO and Simultaneous HTO and ACL Reconstruction: A Systematic Review & Meta-Analysis ePoster Presentation Varun Dewan, MBChB MSc FRCS, UNITED KINGDOM Lebur Rohman, MBBS, MRCS, FRCSEd, UNITED KINGDOM Martyn Snow, FRCS, UNITED KINGDOM
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
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
Early Results of ACL Reconstruction with Quadriceps Tendon Autograft All-Inside Technique ePoster Presentation Amogh Iyer, BS, UNITED STATES Galo Bustamante, BS, UNITED STATES Eric Milliron, BS, UNITED STATES Parker Cavendish, BS, UNITED STATES James C. Kirven, BS, UNITED STATES Spencer E. Talentino, MD, UNITED STATES Charles Qin, MD, UNITED STATES Ryan H. Barnes, MD, UNITED STATES David C. Flanigan, MD, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES Robert A Magnussen, MD, MPH, UNITED STATES Robert A. Duerr, MD, UNITED STATES
Second-look Arthroscopic Evaluation and Clinical Outcomes After Anatomic Double Bundle Anterior Cruciate Ligament Reconstruction: Comparison of Different Knee Flexion Angles During Tibial Graft Fixation ePoster Presentation Yasunari Oniki, MD, PhD, JAPAN Taiki Murakami, JAPAN Eiichi Nakamura, MD, PhD, JAPAN
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
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
Is There Any Benefit In Anterior Cruciate Ligament Reconstruction In Patients Over 60 Years Old? ePoster Presentation Panagiotis G. Ntagiopoulos, MD, PhD, GREECE Paolo Ferrua, MD, ITALY Guillaume Demey, MD, FRANCE David H. Dejour, MD, FRANCE
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, MB BS BSc(Med) Hons, A/Prof., AUSTRALIA
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
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
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
Anterior Cruciate Ligament Repair Using Dynamic Intraligamentary Stabilization Provides a Similarly Successful Outcome As All-Inside Anterior Cruciate Ligament Reconstruction With A Faster Psychological Recovery In Moderately Active Patients ePoster Presentation Mahmut Enes Kayaalp, MD, TURKEY Serkan Surucu, MD, UNITED STATES Mehmet Halis Çerçi, MD, TURKEY Mahmud Aydın, MD, TURKEY Mahir Mahirogullari, MD, Prof., TURKEY
Effectiveness of Fibrin Clot Implantation for Reduction Of Bone Tunnel Enlargement In Bundle-Bundle ACL Reconstruction Using Autogenous Hamstring Tendon Grafts ePoster Presentation Nobuyoshi Suzuki, MD, JAPAN Tomoya Iseki, MD, PhD, JAPAN Shintaro Onishi, MD, PhD, JAPAN Ryo Kanto, MD, JAPAN Hiroshi Nakayama, MD., Ph.D., JAPAN Shinichi Yoshiya, MD, JAPAN Toshiya Tachibana, MD, PhD, JAPAN
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
All Soft Tissue Quadriceps Tendon Vs Quadriceps Tendon With Bone Block In Primary ACL Reconstruction ePoster Presentation Joshua C Setliff, BA, UNITED STATES Ehab M Nazzal, MD, UNITED STATES Nicholas P Drain, MD, UNITED STATES Zachary J Herman, MD, UNITED STATES Asher B Mirvish, BA, UNITED STATES Clair Smith, MSc, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES
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
A Comparison of Return to Sport Rates Between Male and Female Athletes After Anterior Cruciate Ligament Reconstruction in an Australian Context ePoster Presentation Haydn Klemm, BFSc&Nutr (Hons), AUSTRALIA Kate E. Webster, PhD, AUSTRALIA Julian A. Feller, FRACS, FAOrthA, AUSTRALIA
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
Effects of Focused Extracorporeal Shock Wave Therapy in Reducing Pain In Patients With Anterior Knee Pain After ACLR with BTB Autograft ePoster Presentation Hideaki Fukuda, MD, JAPAN
No Difference in Clinical Outcomes Between Aperture And Suspensory Femoral-Sided Fixation Following Anterior Cruciate Ligament Reconstruction with Bone-Patellar Tendon-Bone Autograft ePoster Presentation Garrison Hughes, BS, UNITED STATES Cory Riccio, MD, UNITED STATES Tarun Vippa, BS, UNITED STATES Christopher M Kuenze, PhD, UNITED STATES Rachel E Cherelstein, BS, UNITED STATES Mitchell A Nader, , UNITED STATES Laura Keeling, MD, UNITED STATES Theodore N Rudic, BS, UNITED STATES Kory B. Dylan Pasko, BS, UNITED STATES Edward S. Chang, MD, UNITED STATES
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
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
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, PhD, 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
Simultaneous Reconstruction of the Anterior Cruciate Ligament and Medial Collateral Ligament Using Semitendinosus and Gracilis Autografts: A Minimum 2-Year Follow-Up Study ePoster Presentation Miten Rajendra Sheth, MBBS, MS, DNB (Orth), INDIA
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
Surgeon Volume Affects Revision Rate Following Primary Anterior Cruciate Ligament Reconstruction With Allograft ePoster Presentation Sahil Dadoo, BS, UNITED STATES Ian DeYoe Engler, MD, UNITED STATES Janina Kaarre, MD MSc, UNITED STATES Audrey Y. Chang, BA, UNITED STATES Michael Shannon, BS, UNITED STATES Laura Keeling, MD, UNITED STATES Volker Musahl, MD, Prof., UNITED STATES
Implant-Free Reconstruction Techniques For Ligaments Injuries Of The Knee – Cost-Effective Innovative Alternatives For The Traditional Techniques ePoster Presentation Girinivasan Chellamuthu, MBBS, MS Ortho, FIOT, FASM, INDIA Santosh Sahanand Kulasekaran, MBBS,MS(ortho), INDIA David V. Rajan, MS(Orth), MNAMS(Orth), FRCS(G), INDIA
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, MB BS BSc(Med) Hons, A/Prof., AUSTRALIA
Radiographic Tibial Tunnel Assessment After Anterior Cruciate Ligament Reconstruction Using Hamstring Tendon Autografts and Biocomposite Screws: A Prospective Study with 10-Year Follow-up ePoster Presentation Sadesh Balasingam, MD, SWEDEN Ioannis Karikis, SWEDEN Lars Christensen, MD, SWEDEN Mattias Ahldén, MD, SWEDEN Ninni Sernert, PhD, RPT, SWEDEN Jüri T. Kartus, MD, PhD, SWEDEN
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
Epidemiological, Clinical and Radiological Features of ACL Aplasia: A Review of the Literature ePoster Presentation Michele Dell’Orfano, MD, ITALY Paolo Petitti, ITALY Niccolò Salvatelli, MD, ITALY Pier Paolo Mariani, MD, Prof, ITALY
Factors Associated with Tunnel Widening After ACL Reconstruction ePoster Presentation Garrett Kearney, Resident/Fellow, UNITED STATES Maxwell Mckay, Bachelors Degree, UNITED STATES Peter Asnis, MD, UNITED STATES Lars C Richardson, MD, UNITED STATES Mark David Price, MD, UNITED STATES Miho J. Tanaka, MD, PhD, UNITED STATES
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
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
Clinical and Functional Outcomes of Augmented Repair Versus Primary Repair in Anterior Cruciate Ligament Injury: A Systematic Review and Meta-Analysis ePoster Presentation Bing Howe Lee, MBBS, MRCS, SINGAPORE Michael Xuanrong Shen, MBBS, MRCS, MMED, SINGAPORE Mohammad Ashik, MBBS, MRCSEd, MMed (Ortho), FRCSEd(Orth), SINGAPORE Hamid Rahmatullah Bin Abd Razak, MBBS, FRCSEd (Ortho), FRCSGlasg (Tr & Orth), FAMS, SINGAPORE
No tourniquet reduces the incidence of asymptomatic deep venous thrombosis identified on ultrasonography after arthroscopic anterior cruciate ligament reconstruction: an observational study ePoster Presentation Masaki Nagashima, MD, PhD, Prof., JAPAN Ryo Sasaki, MD, PhD, JAPAN Kentaro Tanaka, MD, JAPAN Kenichiro Takeshima, MD, JAPAN Ken Ishii, MD, PhD, JAPAN
Cross-Sectional in Vivo Biomechanical Effects of Meniscus Tears in Anterior Cruciate Ligament-Deficient Knees Versus Isolated Anterior Cruciate Ligament Tears: A Systematic Review of Motion Analysis Studies ePoster Presentation Enzo Salviato Mameri, MD, MSc, BRAZIL Garrett Jackson, MD, UNITED STATES Harkirat Jawanda, BS, UNITED STATES Jonathan A Gustafson, PhD, UNITED STATES Leonardo Metsavaht, MD PhD, BRAZIL Jorge Chahla, MD, PhD, UNITED STATES
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
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
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
Bioabsorbable Interference Screw Fixation for ACL Reconstruction Yields No Tunnel Widening With Excellent Outcomes ePoster Presentation Kevin D. Plancher, MD, MPH, UNITED STATES Karen Briggs, MPH, UNITED STATES Stephanie C. Petterson, MPT, PhD, UNITED STATES
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
Radiographic Evaluation Of the Donor Site After Anterior Cruciate Ligament Reconstruction With Quadriceps Tendon Bone By Using T2 Mapping Mri ePoster Presentation Shuko Tsumoto, MD, JAPAN Yusuke Hashimoto, MD, PhD, JAPAN Ken Iida, MD, JAPAN Hiroaki Nakamura, MD, PhD, JAPAN
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
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, MD, 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
High Prevalence Of Injuries Associated With ACL Tears: A Detailed Analysis Of 253 Patients From A National Multi-center Cohort Study ePoster Presentation Riccardo Cristiani, MD, PhD, SWEDEN Fabian Van de Bunt, MD, PhD, SWEDEN Joanna Kvist, Professor, SWEDEN Anders Stalman, MD, PhD, Associate Professor, SWEDEN
Uncommonly Considered Predisposing Anatomic Risk Factor for Anterior Cruciate Ligament (ACL) Injury: Recognition and Possible Rehabilitation Potential for Prevention ePoster Presentation Mujeeb Ashraf, FRCS, MCh,FEBTS, SAUDI ARABIA Hatem Al-Harbi, FRCSC, SAUDI ARABIA
Delaying ACL Reconstruction Increases the Rate and Severity of Medial Compartment Chondral Injury ePoster Presentation Nicolas Cance, MD, 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, Prof., FRANCE Elvire Servien, MD, PhD, Prof., FRANCE

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Non-Operative Treatment is an Excellent Option for Isolated Anterior Cruciate Ligament Injuries: a Systematic Review and Meta-Analysis

Non-Operative Treatment is an Excellent Option for Isolated Anterior Cruciate Ligament Injuries: a Systematic Review and Meta-Analysis

Background

Materials And Methods

Results

Conclusions

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Non-Operative Treatment is an Excellent Option for Isolated Anterior Cruciate Ligament Injuries: a Systematic Review and Meta-Analysis

Non-Operative Treatment is an Excellent Option for Isolated Anterior Cruciate Ligament Injuries: a Systematic Review and Meta-Analysis

Background

Materials And Methods

Results

Conclusions