Elizabeth A. Arendt, MD
TRIA Research and Education Center Investigator
About

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
Affiliation
positions
  • Institute Research Investigator, TRIA Research and Education Center
    • Publications While At HealthPartners
    selected publications
    Journal Article
  • Anatomic risk factors for lateral patellar instability. 
    Arthroscopy. 2024
  • Bony procedures for surgical patellar stabilization. 
    J isakos. 2024
  • Psychological responses during latter rehabilitation and return to sport after anterior cruciate ligament reconstruction surgery. 
    Journal of athletic training. 2024
  • Tibial derotational osteotomy for idiopathic tibial torsion: a systematic review of surgical indications based on clinical presentation and measurement technique. 
    Knee Surgery, Sports Traumatology, Arthroscopy. 2024
  • A modified Delphi consensus statement on patellar instability: part I. 
    The bone & joint journal. 2023
  • A modified Delphi consensus statement on patellar instability: part II. 
    The bone & joint journal. 2023
  • High incidence of complication following tibial tubercle surgery. 
    J isakos. 2023
  • Medial patellofemoral ligament reconstruction in skeletally immature patients without correction of bony risk factors leads to acceptable outcomes but higher failure rates. 
    J isakos. 2023
  • 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
  • Magnetic resonance imaging overestimates patellar height compared with radiographs. 
    Knee Surgery, Sports Traumatology, Arthroscopy. 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
    • Review
  • Femoral internal torsion greater than twenty-five degrees and/or external tibial torsion greater than thirty degrees as measured by computed tomography are threshold values for axial alignment correction in patellofemoral instability [systematic review, review]. 
    J isakos. 2024
  • Putting it all together: evaluating patellar 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
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