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Preservation of Pre-Arthritic Coronal Knee Phenotype and Pre-Arthritic Coronal Alignment Yielded Improved Kujala Scores Following Ligament-Guided Medial Unicompartmental Knee Arthroplasty

Roderick J.M. Vossen, MD
UNITED STATES

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Preservation of Pre-Arthritic Coronal Knee Phenotype and Pre-Arthritic Coronal Alignment Yielded Improved Kujala Scores Following Ligament-Guided Medial Unicompartmental Knee Arthroplasty

Roderick J.M. Vossen, MD, UNITED STATES Joost Burger, MD, PhD, GERMANY Gaby Victoria Ten Noever De Brauw, NETHERLANDS Tarik Bayoumi, MD, NETHERLANDS Jake Fiore, Bsc, UNITED STATES Lindsey Ruderman, BA, UNITED STATES Hendrik Aernout Zuiderbaan, MD PhD, NETHERLANDS Andrew D. Pearle, MD, UNITED STATES

Hospital for Special Surgery, New York, NY, UNITED STATES

2025 Congress ePoster Presentation 2025 Congress Not yet rated

Anatomic Location

Knee

Anatomic Structure

Bones

Diagnosis / Condition

Arthritis Osteoarthritis

Treatment / Technique

Arthroplasty Implant

Summary: preservation of CPAK phenotype and preservation of prearthritic coronal alignment yielded a significantly higher Kujala score. The ligament-guided medial UKA provides equal outcomes for all observed phenotypes and sagittal-tibial-wear patterns in medial compartment OA as long as preoperative CPAK phenotype is preserved postoperatively.

Purpose

There is a lack of literature evaluating outcomes of the ligament-guided approach in medial unicompartmental knee arthroplasty (UKA). An improved comprehension of the distribution of coronal plane alignment of the knee (CPAK) phenotypes and sagittal-tibial-wear patterns and their associations with patient-reported outcome measures (PROMs) and implant survivorship could provide insights into its further application in daily practice.

Methods

A registry was reviewed for patients with a minimal two-year follow-up who underwent robotic-assisted, ligament-guided, medial UKA between 2008-2016. Survivorship and postoperative PROMs were collected. CPAK phenotypes and sagittal-tibial-wear patterns were determined. Survivorship, Knee Injury and Osteoarthritis Outcome Score (KOOS), Kujala and patient satisfaction were compared between phenotypes and sagittal-tibial-wear patterns.

Results

A total of 618 knees were included at a mean follow-up of 4.1 [2.0–9.6] years. Four-year conversion to TKA survival rate was 98.9% [98.4%-99.3%] and 94.3% [93.3%-95.3%] for all-cause revision. Patients with preservation of CPAK phenotype (84.5±14.9, 81.8±15.5; p = 0.033) and restoration of prearthritic coronal alignment (84.1±14.9, 81.7±15.9, p = 0.045) had a significantly higher Kujala score. No other significant differences in survivorship or PROMs were observed between phenotypes or sagittal-tibial-wear patterns. Additionally, no difference in survival rates was observed between preserved or altered phenotypes.

Conclusion

This study demonstrated that preservation of CPAK phenotype and preservation of prearthritic coronal alignment yielded a significantly higher Kujala score. No other significant differences in PROMs or implant survivorship were observed, suggesting that robotic-assisted, ligament-guided medial UKA provides equal outcomes for all observed phenotypes and sagittal-tibial-wear patterns in medial compartment OA as long as preoperative CPAK phenotype is preserved postoperatively.

Knee Arthroplasty ePosters

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Changes in the Posterior Tibial Slope among Patients undergoing Medial Unicompartmental Knee Arthroplasty do not affect the Medial Proximal Tibial Angle ePoster Presentation Lorenz Pichler, MD, AUSTRIA Rosa Berndt, MD, GERMANY Carsten Perka, MD, PhD, GERMANY Clemens Gwinner, MD, GERMANY Moses Kamal Dieter El Kayali, MD, GERMANY
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Differences In Coronal Plane Alignment Of The Knee (CPAK) Measured On Long-Leg Radiographs Compared To Computed Tomography For The Patients Undergoing Total Knee Arthroplasty ePoster Presentation Kohei Kawaguchi, MD, PhD, JAPAN Mei Lin Tay, PhD, NEW ZEALAND Bill Farrington, FRCS, NEW ZEALAND Rupert S Van Rooyen, MBChB, FRACS, NEW ZEALAND Matthew Walker, MBChB, FRACS, NEW ZEALAND Ali Bayan, MBChB, FRACS, NEW ZEALAND Simon W. Young, MD, FRACS, NEW ZEALAND
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Mid To Long-Term Results Of Medial Unicompartmental Knee Arthroplasty : Mobile Versus Fixed-Bearing ePoster Presentation Sumin Lim, MD, PhD, KOREA, REPUBLIC OF Jun-Young Chung, MD, KOREA, REPUBLIC OF Tae Hun Kim, MD, KOREA, REPUBLIC OF Jeong-Hyun Koh, MD, KOREA, REPUBLIC OF Jeong Sunwoo, MD, KOREA, REPUBLIC OF Myung-Sub Lee, MD, KOREA, REPUBLIC OF
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Visible fluid motion on manipulation as the new threshold for intraoperatively-determined knee arthroplasty component loosening – a Delphi study ePoster Presentation George Samuel Buijs, MD, NETHERLANDS Arthur Johan Kievit, MD, NETHERLANDS Alex Bastiaan Walinga, MD, NETHERLANDS Matthias U. Schafroth, MD, NETHERLANDS Michael T. Hirschmann, MD, Prof., SWITZERLAND Leendert Blankevoort, PhD, NETHERLANDS
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Short-term Results and Learning Curve of TKA with Robotic Arm ePoster Presentation Masayoshi Okuda, MD, PhD, JAPAN Yuki Kawaguchi, PT, JAPAN Shuhei Sugioka, MD, JAPAN Yusuke Inagaki, MD, PhD, JAPAN Yasuhito Tanaka, Prof., JAPAN
An Inlay Patellofemoral Arthroplasty With An Enlarged Trochlear Component Design Results In Better Patient Reported Outcomes Measures And Lower Failure Rates Compared To A Traditional Design: A Two-Year Follow Up Study ePoster Presentation Armin Runer, PD MD, GERMANY Jonas Pogorzelski, MD, PhD, MHBA, GERMANY Hugo Bothorel, MEng, SWITZERLAND Philippe Matthias Tscholl, MD, SWITZERLAND Matthias Cotic, MSc, GERMANY Sebastian Siebenlist, MD, MHBA, Prof., GERMANY Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY
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Learning Curves in 204 Robotic-Assisted Total Knee Replacements: Comparing Senior, Intermediate, and Senior-Junior Surgical Teams ePoster Presentation Hector Zamorano, MD, CHILE Roberto Yañez, MD,phD,prof, CHILE Sebastian Valdes, student, CHILE Gaston Caracciolo, CHILE Cristobal Yañez, MD, CHILE Sebastian Yanez, MD, CHILE Leonardo Javier Carabajal Vera, MD, ARGENTINA Lars Raymond Strömback, MD, CHILE Magaly Iñiguez, MD, CHILE
Association Between Prosthetic Component Malalignment and Post-Total Knee Arthroplasty Pain ePoster Presentation Luke James Naunton, UNITED KINGDOM Oday Al-Dadah, MBChB, MD, FRCS (Tr & Orth), UNITED KINGDOM
Longer Hospital Length of Stay After Total Knee Arthroplasty is an Independent Risk Factor for Increased Complication Rates ePoster Presentation Logan Finger, MD, UNITED STATES Kelly A Murphy, BS, UNITED STATES Kenneth Urish, MD, PhD Michael O'Malley, MD, UNITED STATES Brian Klatt, MD, UNITED STATES Johannes F. Plate, MD, PhD, UNITED STATES
Influence of Femorotibial Posterior Overhang and Posterior Tibial Slope on Patellar Changes After TKA ePoster Presentation Shunsuke Utsumi, MD, JAPAN Takashi Aki, PhD, JAPAN Masayuki Kamimura, JAPAN Kento Harada, MD, JAPAN Toshimi Aizawa, JAPAN
Experience in Correcting Varus and Valgus Deformities in Total Knee Arthroplasty Using Robotic Assistance ePoster Presentation Hector Zamorano, MD, CHILE Roberto Yañez, MD,phD,prof, CHILE Sebastian Valdes, student, CHILE Gaston Caracciolo, CHILE Cristobal Yañez, MD, CHILE Sebastian Yanez, MD, CHILE Leonardo Javier Carabajal Vera, MD, ARGENTINA Lars Raymond Strömback, MD, CHILE Magaly Iñiguez, MD, CHILE
Robotic-Assisted Unicompartmental Knee Arthroplasty Shows Better Short-Term Results Than Conventional Technique. A Comparative Study. ePoster Presentation David H. Figueroa, MD, CHILE Maria Loreto Figueroa Berrios, MD, CHILE Carlos Nain Giugliano Rostion, Resident, CHILE Jorge Simon Isla, MD, CHILE Cristóbal Abarca, MD, CHILE Fernando Martin, MD, CHILE Federico Gili, MD, CHILE Alvaro Ferrer, MD, MSc, CHILE
Patellar Alignment In Robotic-Assisted Total Knee Arthroplasty. ePoster Presentation David H. Figueroa, MD, CHILE Maria Loreto Figueroa Berrios, MD, CHILE Rodrigo Guiloff, MD, Prof, CHILE Javier Ignacio González, MD, CHILE Mario Eduardo Mora Valdés, MD, CHILE Daniel Alvarez, MD, CHILE
Does Robotic Assistance In Total Knee Arthroplasty Improve Preoperative Planning And Intraoperative Decision-Making? ePoster Presentation David H. Figueroa, MD, CHILE Waldo Gonzalez Duque, MD, CHILE Rafael Calvo, MD, CHILE Francisco Figueroa, MD, CHILE
All-Intra-Incisional-Pins In Robotic Total Knee Arthroplasty (TKA) As A New Standard Of Care – A Minimally Invasive Practical Technique Guide ePoster Presentation Glen Liau , MBBS, MRCS, MMed, FRCS, FAMS, MBA, SINGAPORE Ryan Wai Keong Loke, MBBS candidate, SINGAPORE Yu Liu, MBBS, SINGAPORE
Impact of Unilateral and Bilateral Total Knee Arthroplasty for Bilateral Osteoarthritis on Postoperative Fractures Risk ePoster Presentation Hiroshi Fujii, MD, PhD, JAPAN
Single-Shot Femoral Nerve Block Versus Local Infiltration Analgesia For Patients Undergoing Total Knee Arthroplasty: A Systematic Review And Meta-Analysis ePoster Presentation André Richard Da Silva Oliveira Filho, Student, BRAZIL Elcio Machinski, md, BRAZIL Vinícius Furtado, Student, BRAZIL Rodrigo Conde, MS, ARGENTINA Bruno Butturi Varone, MD, BRAZIL Riccardo Gomes Gobbi, MD, PhD, BRAZIL Camilo P. Helito, MD, PhD, Prof, BRAZIL Daniel Leal, MD, BRAZIL
Increasing Coronal Deformity, Tibiofemoral Subluxation And More Severe Bone Defects Are Risk Factors For To The Use Of A Higher-Constrained Total Knee Arthroplasty ePoster Presentation Sandro Hodel, MD, SWITZERLAND Patrick Pflüger, MD, SWITZERLAND Lukas Jud, MD, SWITZERLAND Juliette Wälchli, SWITZERLAND Francesca Napoli, MD, SWITZERLAND Lazaros Vlachopoulos, MD, PhD, SWITZERLAND Sandro Fucentese, Prof MD, SWITZERLAND
Clinical Outcomes Of Functional Versus Mechanical Alignment In Robotic-Arm Assisted Total Knee Arthroplasty: A Randomised Controlled Trial ePoster Presentation Simon W. Young, MD, FRACS, NEW ZEALAND Mei Lin Tay, PhD, NEW ZEALAND Kohei Kawaguchi, MD, PhD, JAPAN Bill Farrington, FRCS, NEW ZEALAND Rupert S Van Rooyen, MBChB, FRACS, NEW ZEALAND Matthew Walker, MBChB, FRACS, NEW ZEALAND Ali Bayan, MBChB, FRACS, NEW ZEALAND
Comparison Of Outcomes Of Revision Uka To Tka And Primary Tkas -A Propensity Matched Study. ePoster Presentation Myles R. J. Coolican, FRACS, AUSTRALIA Harbeer Ahedi, PhD Biomedical Sciences, AUSTRALIA
Operator variation in applying the AtMoves knee loading device for evaluation of tibial component loosening ePoster Presentation George Samuel Buijs, MD, NETHERLANDS Maaike Annemiek ter Wee, MSc, NETHERLANDS Chiel Klein, BSc, NETHERLANDS Lidwine B. Mokkink, PhD, NETHERLANDS Johannes Dobbe, PhD, NETHERLANDS Mario Maas, MD, PhD, NETHERLANDS Matthias U. Schafroth, MD, NETHERLANDS Geert Streekstra, PhD, NETHERLANDS Leendert Blankevoort, PhD, NETHERLANDS Arthur Johan Kievit, MD, NETHERLANDS
The Femoral Cuts Correlation Between Robotic And Conventional Surgery In Total Knee Arthroplasty: A Cadaveric Study ePoster Presentation Berta Gasol Cudos, MD, SPAIN Juan Ignacio Erquicia, MD, PhD, SPAIN Eric Camprubí, MD, SPAIN Albert Pons Riverola, MD, SPAIN Angela Zumel, PhD, SPAIN Joan Leal-Blanquet, MD, PhD, SPAIN
The Effects Of The Flexion Gap Setting On Postoperative Outcomes Of Tka Using The Mako Robotic Arm ePoster Presentation Shuhei Sugioka, MD, JAPAN Masayoshi Okuda, MD, PhD, JAPAN Yuki Kawaguchi, PT, JAPAN Yasuhito Tanaka, Prof., JAPAN
The Mind Matters: Psychological Factors Influence Subjective Outcomes Following Unicompartmental Knee Arthroplasty - A Prospective Study ePoster Presentation Gaby Victoria Ten Noever De Brauw, NETHERLANDS Margot B. Aalders, MD, NETHERLANDS Hendrik Aernout Zuiderbaan, MD PhD, NETHERLANDS Lucien C.M. Keijser, MD PhD, NETHERLANDS Joyce L. Benner, PhD, NETHERLANDS
Investigating Patient And Surgical Factors Affecting Same Day Discharge After Unicompartmental Knee Replacement ePoster Presentation Suleyman Ulla, MBChB, UNITED KINGDOM Patrick Richard Michael Nicholas, MBChB, MRCS(Glasg), UNITED KINGDOM Stuart Wilson Bell, MBChB MRCP FRCS (Orth), UNITED KINGDOM
Short-term Outcomes of Robotic-Assisted Restricted Kinematic Alignment vs Mechanical Alignment in Unilateral Total Knee Arthroplasty ePoster Presentation Eiichi Shiigi, MD、PhD, JAPAN
Almost 79% Survival Rate At 10-Year Follow-Up For The Patellofemoral Joint Arthroplasty: A Registry Study ePoster Presentation Piero Agostinone, MD, ITALY Anna Pagano, MD, ITALY Domenico Alesi, MD, ITALY Alberto Grassi, PhD, ITALY Stefano Zaffagnini, MD, Prof., ITALY
Lateral Laxity is Related to the Postoperative Kinematics and Knee Symptoms After Total Knee Arthroplasty Using Medial Stabilizing Technique with a Navigation System ePoster Presentation Takahiro Tsushima, MD, PhD, JAPAN Eiji Sasaki, MD, PhD, JAPAN Kazuki Oishi, MD, JAPAN Yukiko Sakamoto, MD, PhD, JAPAN Yuka Kimura, MD, PhD, JAPAN Eiichi Tsuda, Prof., JAPAN Yasuyuki Ishibashi, MD, JAPAN
High Incidence Of Torsional Deformities In Knee Osteoarthritis In Asian Population ePoster Presentation Xinyu Tao, MBBS, SINGAPORE Ashton Tan, MBBS, SINGAPORE Don Koh, MBBS, BSc, MRCS, MMED, SINGAPORE Kong Hwee Lee, MBBS, FRCS (Ortho), SINGAPORE Hamid Rahmatullah Bin Abd Razak, MBBS, FRCSEd (Ortho), FRCSGlasg (Tr & Orth), FAMS, SINGAPORE Junwei Soong, MBBS, MRCS (Edin), MMED (Ortho), FRCS (Edin), SINGAPORE
A Multi-Disciplinary Program For Opioid Sparse Arthroplasty Results In Reduced Long-Term Opioid Consumption: A Four Year Prospective Study ePoster Presentation Christopher J. Wilson, A/Prof, MBChB, MRCS, FRACS, PhD, AUSTRALIA D-Yin Lin, MBBS, AUSTRALIA
Anatomical investigation of the popliteal artery in unicompartmental knee arthroplasty cases ePoster Presentation Naoto Date, MD, JAPAN Masaki Mori, MD, PhD, JAPAN Kengo Kaji, MD, JAPAN Masakazu Ishikawa, MD, PhD, JAPAN
Is Bi-Cruciate Stabilized Total Knee Arthroplasty Better Than Conventional Knee Arthroplasty In Knee Biomechanics During Gait? ePoster Presentation Kengo Harato, MD, PhD, JAPAN Kohei Nishizawa, PhD, JAPAN Shu Kobayashi, MD, PhD, JAPAN Kazuya Kaneda, MD, PhD, JAPAN Tatsuaki Matsumoto, MD, PhD, JAPAN Takeo Nagura, MD, JAPAN
Changing amount of posterior tibial slope during unicompartmental knee arthroplasty does not affect short-term postoperative patients reported outcome measurement ePoster Presentation Ryo Tomita, MD, JAPAN Eiji Sasaki, MD, PhD, JAPAN Hikaru Kristi Ishibashi, MD, JAPAN Hitoshi Kudo, PhD, JAPAN Hironori Otsuka, MD, JAPAN Takahiro Tsushima, MD, PhD, JAPAN Yukiko Sakamoto, MD, PhD, JAPAN Yuka Kimura, MD, PhD, JAPAN Yasuyuki Ishibashi, MD, JAPAN
Association Between Surgeon Volume And Patient Outcomes After Elective Patellofemoral Joint Replacement Surgery Using Data From The National Joint Registry And Hospital Episode Statistics For England: Population Based Cohort Study ePoster Presentation Martinique Vella-Baldacchino, MD, MRCS, PG CERT (HEALTH LEADERSHIP), IOC DIp Spo, UNITED KINGDOM Alex Bottle, Phd, UNITED KINGDOM Justin Cobb, MCh FRCS, UNITED KINGDOM Alex D Liddle, MBBS BSc DPhil FRCS(Orth), UNITED KINGDOM
Functional Recovery in Staged Bilateral Total Knee Arthroplasty ePoster Presentation Shinichiro Nakamura, MD, PhD, JAPAN Shinichi Kuriyama, MD, PhD, JAPAN Kohei Nishitani, MD, PhD, JAPAN Yugo Morita, PhD, JAPAN Shuichi Matsuda, MD, PhD, JAPAN
Evaluating Tibial Component Rotational Alignment After Total Knee Arthroplasty Using Augmented Reality Navigation System With Smart Glasses ePoster Presentation Takayuki Koya, MD, PhD, JAPAN Atsushi Sato, MD, PhD, JAPAN Masataka Ota, MD, JAPAN Misako Takizawa, MD, JAPAN Reo Nagasaka, JAPAN Marika Mukunoki, MD, JAPAN Kanako Izukashi, MD, JAPAN Jun Oike, MD, PhD, JAPAN Takayuki Okumo, MD, PhD, JAPAN Saki Yagura, MD, JAPAN Koji Kanzaki, Prof., JAPAN
Gait Analysis Focusing On The Relationship Between Knee Biomechanics And Patient Outcome In Unilateral Total Knee Arthroplasty And Nonoperative Residual Osteoarthritis Knee ePoster Presentation Shinichi Kuriyama, MD, PhD, JAPAN Sayako Sakai, MD, JAPAN Yugo Morita, MD, PhD, JAPAN Kohei Nishitani, MD, PhD, JAPAN Shinichiro Nakamura, MD, PhD, JAPAN Shuichi Matsuda, MD, PhD, JAPAN
Early Clinical Outcome In Inverse Kinematic Alignment For Total Knee Arthroplasty Using A Robotic Assisted System: Two Years Follow-Up ePoster Presentation Federica Manca, MD, ITALY Leo Massari, Prof., ITALY Alberto Belluati, MD, ITALY Andrea Colombelli, MD, ITALY
Impact of Travel Distance on Short-Term Complications and Readmissions After Periprosthetic Joint Infection ePoster Presentation Logan Finger, MD, UNITED STATES Akeem Williams, BS, UNITED STATES Nicolas Aycardi, BS, UNITED STATES Yunseo Linda Park, BS, UNITED STATES Kenneth Urish, MD, PhD Michael O'Malley, MD, UNITED STATES Brian Klatt, MD, UNITED STATES Johannes F. Plate, MD, PhD, UNITED STATES
Oxford Partial Knee Femoral Sizing Via Preoperative Mri Scan – A Novel Template Method ePoster Presentation Ritwik Kejriwal, FRACS(Orth), NEW ZEALAND
Changes In Tibial Insert Design Can Alter Knee Kinematics And Tibiofemoral Stress Distributions In Total Knee Arthroplasty ePoster Presentation Shinichi Kuriyama, MD, PhD, JAPAN Sayako Sakai, MD, JAPAN Yugo Morita, MD, PhD, JAPAN Kohei Nishitani, MD, PhD, JAPAN Shinichiro Nakamura, MD, PhD, JAPAN Shuichi Matsuda, MD, PhD, JAPAN
A Novel Knee Intra-Operative Classification Of Osteo-Arthritis (KICO) ePoster Presentation Geoffrey Murphy, MD, AUSTRALIA Simon Luc Edmond Walgrave, MD, BELGIUM Alexander S. Nicholls, MSc, FRACS, AUSTRALIA Myles R. J. Coolican, FRACS, AUSTRALIA David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA Brett A. Fritsch, MBBS BSc(Med), FRACS, FAOrthA, AUSTRALIA
Predicting And Preventing Overcorrection In Medial Unicompartmental Knee Arthroplasty: A Radiographic Study Based On Long-Leg Films And Valgus Stress Views. ePoster Presentation Stefano Gaggiotti, MD, ARGENTINA Constant Foissey, MD, FRANCE Cécile Batailler, MD, PhD, FRANCE Elvire Servien, MD, PhD, Prof., FRANCE Santino Gaggiotti, MD, ARGENTINA Gabriel Gaggiotti, MD, ARGENTINA Sebastien Lustig, MD, PhD, Prof., FRANCE
Successful Outcomes in Combined Unicompartmental Knee Arthroplasty and Anterior Cruciate Ligament Reconstruction : A Clinical Study ePoster Presentation Theodore Balfousias, MD, MSc, FEBOT, GREECE Ilias Fanourgiakis, MD, MSc, FEBOT, GREECE Rainer Siebold, Prof. Dr. med., GERMANY
Prospective Comparison Of Short-Term Outcomes In Kinematic And Mechanical Alignment Total Knee Arthroplasty ePoster Presentation Ofir Vinograd, MD , ISRAEL Netanel Steinberg, MD, ISRAEL Ahmad Essa, MPH MD, ISRAEL Dana Avraham, MD, ISRAEL Ilan Y Mitchnik, MD, ISRAEL Noam Shohat, MD, ISRAEL
Two-Year Results Of The Kneefix Study: A Randomised Controlled Trial Comparing Uncemented Versus Cemented Fixation In Total Knee Arthroplasty With Patella Resurfacing ePoster Presentation Simon W. Young, MD, FRACS, NEW ZEALAND Bill Farrington, FRCS, NEW ZEALAND Rupert S Van Rooyen, MBChB, FRACS, NEW ZEALAND Mei Lin Tay, PhD, NEW ZEALAND Matthew Walker, MBChB, FRACS, NEW ZEALAND Ali Bayan, MBChB, FRACS, NEW ZEALAND
Robot Assisted Total Knee Arthroplasty and Navigation Assisted Total Knee Arthroplasty : A Comparative study with a focus on Severe Varus Deformities. ePoster Presentation Rajesh Maniar, INDIA Adit Rajesh Maniar, MBBS, MS Orthopaedics, DNB Orthopaedics, INDIA Akshay Nayak, M.B.B.S, M.S , INDIA Ishan Khanna, MBBS, MS, INDIA Pranav Shere, MS,DNB , INDIA Anish Nandkumar Tawde, M. S. Orthopaedics , INDIA
Knees With Lateral Compartment Osteoarthritis Show A Substantial Variability In Functional Knee Phenotypes With Gender-Specific And Age-Related Differences: Phenotypic Analysis Of 305 Knees ePoster Presentation Gaby Victoria Ten Noever De Brauw, NETHERLANDS Tarik Bayoumi, MD, NETHERLANDS Lindsey Ruderman, BA, UNITED STATES Gino M. M. J. Kerkhoffs, MD, PhD, Prof., NETHERLANDS Hendrik Aernout Zuiderbaan, MD PhD, NETHERLANDS Andrew D. Pearle, MD, UNITED STATES
Anxiety And Depression Prior To Total Knee Arthroplasty Are Associated With Worse Pain And Subjective Function: A Prospective Comparative Study ePoster Presentation Margot B. Aalders, MD, NETHERLANDS Jelle P. van der List, MD, PhD, NETHERLANDS Dirk Jan Hofsteee, NETHERLANDS Lucien C.M. Keijser, MD PhD, NETHERLANDS Joyce L. Benner, PhD, NETHERLANDS
Female Patients Depend More On Postoperative Outcomes In Assessing Satisfaction Than Male Patients After Total Knee Arthroplasty ePoster Presentation Yun Seong Choi, MD, KOREA, REPUBLIC OF Seung Hoon Lee, MD, KOREA, REPUBLIC OF
Tourniquet use Does not Affect Bleeding and Surgical Time in Robotic Assisted Total Knee Arthroplasty ePoster Presentation João P.F. Guerreiro, MD, PhD, BRAZIL JOAO BALAN, MD, BRAZIL MARSAL VILHENA, MD, BRAZIL SERGIO MERÇON, MD, BRAZIL Paulo Roberto Bignardi, PhD, BRAZIL Marcus Vinicius Danieli, MD, PhD, BRAZIL
Changes In Foot Pressure Among Patients With Varus Knee Osteoarthritis Undergoing Bilateral Simultaneous Total Knee Arthroplasty – A Prospective Observational Pedobarographic Assessment ePoster Presentation Roop Bhushan Kalia, M.S (Orthopaedics), INDIA Divyansh Sharma, MBBS,M.S (Orthopaedics), INDIA Pradeep Kumar Meena, MBBS,M.S(Orthopaedics), INDIA Raj Kumar Yadav, MBBS,M.D, INDIA Ankit Gaurav, MS ORTHOPAEDICS, INDIA
Soft Tissue Safety In Robotic-Assisted Total Knee Arthroplasty: Is It Reliable? ePoster Presentation Eric Camprubí, MD, SPAIN Juan Ignacio Erquicia, MD, PhD, SPAIN Berta Gasol Cudos, MD, SPAIN Albert Pons Riverola, MD, SPAIN Angela Zumel, PhD, SPAIN Joan Leal-Blanquet, MD, PhD, SPAIN
A Different Course Of Recovery For Extension And Flexion Strengths Following Total And Unicompartmental Knee Arthroplasty: A Prospective Cohort Study Of 369 Cases ePoster Presentation Roderick J.M. Vossen, MD, UNITED STATES Joyce L. Benner, PhD, NETHERLANDS Gaby Victoria Ten Noever De Brauw, NETHERLANDS Gino M. M. J. Kerkhoffs, MD, PhD, Prof., NETHERLANDS Andrew D. Pearle, MD, UNITED STATES Hendrik Aernout Zuiderbaan, MD PhD, NETHERLANDS Lucien C.M. Keijser, MD PhD, NETHERLANDS
Changes In Improvement Of Physical Function And Qol After Cr Type Total Knee Arthroplasty ePoster Presentation Yuki Kawaguchi, PT, JAPAN Masayoshi Okuda, MD, PhD, JAPAN Shuhei Sugioka, MD, JAPAN Yusuke Inagaki, MD, PhD, JAPAN Yasuhito Tanaka, Prof., JAPAN
Primary Followed by Revision Total Knee Arthroplasty at Non-Tertiary Centers Have Higher Risk of Complications ePoster Presentation Logan Finger, MD, UNITED STATES Yunseo Linda Park, BS, UNITED STATES Matthew Como, BS, UNITED STATES Nicolas Aycardi, BS, UNITED STATES Kenneth Urish, MD, PhD Michael O'Malley, MD, UNITED STATES Brian Klatt, MD, UNITED STATES Johannes F. Plate, MD, PhD, UNITED STATES
Robotic-Assisted Total Knee Arthroplasty Improves Accuracy and Reproducibility Compared to Manual Instrumentation or Navigation. ePoster Presentation Yoan Bourgeault-Gagnon, MD, FRCSC, CANADA Lucy J. Salmon, PhD, AUSTRALIA Matt Lyons, FRACS, AUSTRALIA
Joint Line Convergence Angle After Total Knee Arthroplasty: Comparison Between Mechanical V/S Patient-Specific Alignment With Robotic Assisted Surgery: Retrospective Data Of 98 Patients ePoster Presentation David H. Figueroa, MD, CHILE Waldo Gonzalez Duque, MD, CHILE Loreto Figueroa, MD, CHILE Francisco Figueroa, MD, CHILE Rodrigo Guiloff, MD, Prof, CHILE
The Impact Of Aging On Recovery And Satisfaction In Knee Replacement Patients ePoster Presentation Tess L.Y Tsoi , MBChB, HONG KONG Harbeer Ahedi, PhD Biomedical Sciences, AUSTRALIA David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA
High ten years survivorship and functional results of robotic-arm-assisted lateral unicompartmental knee arthroplasty ePoster Presentation Guido Maritan, MD, ITALY Mattia Berti, MD, ITALY Federico Roman, MD, ITALY Emanuele Furlan, MD, ITALY
The Use Of Imageless Robotic Assistance Does Not Reduce Early Postoperative Pain In Total Knee Replacement Compared To Conventional Arthroplasty ePoster Presentation Rodrigo Olivieri, MD, CHILE Sebastian Bianchi, MD, CHILE Cristóbal Díaz, MD, CHILE Pablo Albornoz, MD, CHILE Victor Barrientos, PhD, CHILE Jaime Ignacio Ugarte Checura, MD, CHILE Carolina Cardemil, MD, CHILE Pilar Buendia, BSN, CHILE Nicolas Franulic, MD, CHILE Jose Ignacio Laso, MD, CHILE Nicolas Gaggero, MD, CHILE
Forgotten Joint Score : Role in Identifying Patients Unlikely To Improve Following Total Knee Arthroplasty ePoster Presentation Adit Rajesh Maniar, MBBS, MS Orthopaedics, DNB Orthopaedics, INDIA Rajesh Maniar, INDIA Ishan Khanna, MBBS, MS, INDIA Pranav Shere, MS,DNB , INDIA Anish Nandkumar Tawde, M. S. Orthopaedics , INDIA Muhammad Naqvi, MBBS, MS, DNB, FNB, MRCSEd, INDIA

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Preservation of Pre-Arthritic Coronal Knee Phenotype and Pre-Arthritic Coronal Alignment Yielded Improved Kujala Scores Following Ligament-Guided Medial Unicompartmental Knee Arthroplasty

Preservation of Pre-Arthritic Coronal Knee Phenotype and Pre-Arthritic Coronal Alignment Yielded Improved Kujala Scores Following Ligament-Guided Medial Unicompartmental Knee Arthroplasty

Purpose

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Knee Arthroplasty ePosters

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Preservation of Pre-Arthritic Coronal Knee Phenotype and Pre-Arthritic Coronal Alignment Yielded Improved Kujala Scores Following Ligament-Guided Medial Unicompartmental Knee Arthroplasty

Preservation of Pre-Arthritic Coronal Knee Phenotype and Pre-Arthritic Coronal Alignment Yielded Improved Kujala Scores Following Ligament-Guided Medial Unicompartmental Knee Arthroplasty

Purpose

Methods

Results

Conclusion