Arendt, Elizabeth A., MD
TRIA Institute Investigator

Positions

Institute Research Investigator, TRIA Institute

Residency

• Orthopaedic Sports Medicine, University of Minnesota, Minneapolis, MN

Fellowship

• Orthopedics Sports Medicine, University of Minnesota, Minneapolis, MN

Medical degree

• University of Rochester Medical School, Rochester, NY

Certification

• American Board of Orthopaedic Surgery

Position

• Associate Medical Director Women’s Sports Medicine at TRIA
• Professor and Vice Chairman, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN
• Fellow, American College of Sports Medicine
• University of Minnesota Physicians Board Member, 2010-Present

Membership

• American Academy of Orthopaedic Surgeons
• American Orthopaedic Association
• American Orthopaedic Society for Sports Medicine
• The Knee Purist Society
• Minnesota Athletic Trainer's Association
• Orthopaedic Research Society
• Ruth Jackson Orthopaedic Society Membership Committee
• International Patella Femoral Study Group
• American College of Sports Medicine
• International Society for Knee and Arthroscopy (ISAKOS)

Honors & Awards

• Mpls.St. Paul Magazine "Top Doctors" (2008, 2012-2019)
• Minnesota Monthly Magazine "Best Doctors" (2014-2017)
• Minnesota Monthly Magazine"Best Doctors for Women," (2011, 2013-2015)
• Best Doctors in America® (2007-2010, 2011-2012, 2013)
• U.S. News & World Report 2012 Top Doctor
• President's Council on Physical Fitness and Sports, 1994-2001
• American Academy of Family Physicians Teaching Certificate (Division of Family Practice), 1993-1994
• 1992, Sports Hall of Fame (elected), University of Rochester, Rochester, NY
• 1974, Merle Spurrier Award (Athletic Contribution Award), University of Rochester, Rochester, NY

Publications

View Publications

Publications

selected publications

Journal Article
- Distalization of the tibial tubercle for patellar stabilization combined with medial patellofemoral ligament reconstruction: length of distalization or residual patella alta and its affect on outcome. American Journal of Sports Medicine. 2022
- Patellofemoral arthroplasty: expert opinion. Journal of experimental orthopaedics. 2022
- Combined medial patellofemoral ligament and medial patellotibial ligament reconstruction for recurrent lateral patellar dislocation in flexion. Arthroscopy techniques. 2021
- Development of a multivariable model based on individual risk factors for recurrent lateral patellar dislocation. Journal of Bone and Joint Surgery (American Volume). 2021
- A new device for patellofemoral instrumented stress-testing provides good reliability and validity. Knee Surgery, Sports Traumatology, Arthroscopy. 2020
- Patellar instability and dislocation: optimizing surgical treatment and how to avoid complications. Instructional Course Lectures. 2020
- Patellar-trochlear morphology in pediatric patients from 2 to 11 years of age: a descriptive analysis based on computed tomography scanning. Journal of Pediatric Orthopedics. 2020
- Unilateral anterior knee pain is associated with increased patellar lateral position after stressed lateral translation. Knee Surgery, Sports Traumatology, Arthroscopy. 2020
- Anatomic risk factors for focal cartilage lesions in the patella and trochlea: a case-control study. American Journal of Sports Medicine. 2019
- High tibial osteotomy with modern PEEK implants is safe and leads to lower hardware removal rates when compared to conventional metal fixation: a multi-center comparison study. Knee Surgery, Sports Traumatology, Arthroscopy. 2019
- Three-dimensional quantitative magnetic resonance imaging of epiphyseal cartilage vascularity using vessel image features: new insights into juvenile osteochondritis dissecans. JB & JS open access. 2019
- Anatomic patellar instability risk factors in primary lateral patellar dislocations do not predict injury patterns: an MRI-based study. Knee Surgery, Sports Traumatology, Arthroscopy. 2018
- Biomechanical evaluation of the medial stabilizers of the patella. American Journal of Sports Medicine. 2018
- Isolated medial patellofemoral ligament reconstruction with semitendinosus tendon allograft. JBJS essential surgical techniques. 2018
- Operative repair of medial patellofemoral ligament injury versus knee brace in children with an acute first-time traumatic patellar dislocation: a randomized controlled trial. American Journal of Sports Medicine. 2018
- Q-vector measurements: physical examination versus magnetic resonance imaging measurements and their relationship with tibial tubercle-trochlear groove distance. Knee Surgery, Sports Traumatology, Arthroscopy. 2018
- Quantitative and qualitative analysis of the medial patellar ligaments: an anatomic and radiographic study. American Journal of Sports Medicine. 2018
- Risk of redislocation after primary patellar dislocation: a clinical prediction model based on magnetic resonance imaging variables. American Journal of Sports Medicine. 2018
- An analysis of knee anatomic imaging factors associated with primary lateral patellar dislocations. Knee Surgery, Sports Traumatology, Arthroscopy. 2017
- Patellar height measurements on radiograph and magnetic resonance imaging in patellar instability and control patients. Journal of Knee Surgery. 2017
- Primary patellar dislocations without surgical stabilization or recurrence: how well are these patients really doing?. Knee Surgery, Sports Traumatology, Arthroscopy. 2017
- Patellar fracture following patellofemoral arthroplasty. Journal of Arthroplasty. 2015
- Axial knee radiographs: consistency across clinic sites. Knee Surgery, Sports Traumatology, Arthroscopy. 2014
- Displacing lateral meniscus masquerading as patella dislocation. Knee Surgery, Sports Traumatology, Arthroscopy. 2014
- Patellofemoral joint: from instability to arthritis. Instructional Course Lectures. 2014
- Reprocessed arthroscopic shavers: evaluation of sharpness and function in a cadaver model. Orthopedics. 2014
- The development, validation and internal consistency of the Norwich Patellar Instability (NPI) score. Knee Surgery, Sports Traumatology, Arthroscopy. 2014
- Patella instability: building bridges across the ocean a historic review. Knee Surgery, Sports Traumatology, Arthroscopy. 2013
- The Arthroscopic Surgical Skill Evaluation Tool (ASSET). American Journal of Sports Medicine. 2013
- The intra- and inter-observer reliability of the physical examination methods used to assess patients with patellofemoral joint instability. The Knee. 2012
- Tibial stress injury: relationship of radiographic, nuclear medicine bone scanning, MR imaging, and CT Severity grades to clinical severity and time to healing. Radiology. 2012
- Clinical outcomes of medial patellofemoral ligament repair in recurrent (chronic) lateral patella dislocations. Knee Surgery, Sports Traumatology, Arthroscopy. 2011
- Rotational laxity greater in patients with contralateral anterior cruciate ligament injury than healthy volunteers. Knee Surgery, Sports Traumatology, Arthroscopy. 2010
- Radiographic identification of the primary medial knee structures. Journal of Bone and Joint Surgery (American Volume). 2009
Editorial Article
- Reducing the tibial tuberosity-trochlear groove distance in patella stabilization procedure. too much of a (good) thing [editorial]?. Arthroscopy. 34. 2018
Conference Paper
- Sex in your orthopaedic practice - AAOS Women's Health Issues Advisory Board 2011
Review
- Putting it all together: evaluating oatellar instability risk factors and revisiting the "menu" [review]. Clinics in Sports Medicine. 2022
- Rotational deformity-when and how to address femoral anteversion and tibial torsion [review]. Clinics in Sports Medicine. 2022
- Measuring lower extremity rotational alignment: a review of methods and case studies of clinical applications [review]. Journal of Bone and Joint Surgery (American Volume). 2020
- Concepts of the distal medial patellar restraints: medial patellotibial ligament and medial patellomeniscal ligament [systematic review]. Sports medicine and arthroscopy review. 2019
- High heterogeneity in in vivo instrumented-assisted patellofemoral joint stress testing: a systematic review [systematic review]. Knee Surgery, Sports Traumatology, Arthroscopy. 2019
- Proximal medial patellar restraints and their surgical reconstruction [review]. Journal of Orthopaedics and Traumatology. 2019
- Recognition of evolving medial patellofemoral anatomy provides insight for reconstruction [review]. Knee Surgery, Sports Traumatology, Arthroscopy. 2019
- MRI and arthroscopy correlation in the patellofemoral joint [review]. Sports medicine and arthroscopy review. 2017
- Patellar instability factors in isolated medial patellofemoral ligament reconstructions-what does the literature tell us? A systematic review [systematic review, review]. American Journal of Sports Medicine. 2015
- Early knee osteoarthritis management should first address mechanical joint overload [review]. Orthopedic Reviews. 2014
- Anterior knee pain in the active and athletic adolescent [review]. Current Sports Medicine Reports. 2013
- Complications in patellofemoral surgery [review]. Sports medicine and arthroscopy review. 2012
- Rehabilitative protocols for select patellofemoral procedures and nonoperative management schemes [review]. Sports medicine and arthroscopy review. 2012

presentations

Presentation
- Case discussions: what would I do [presentation]?
- Prophylaxis for infection: what's current and what's on the horizon [presentation]