The 2019 American Association of Hip and Knee Surgeons Annual Meeting

Research and presentations from Columbia Orthopedics faculty and residents

The American Association Hip and Knee Surgeons (AAHKS) logo.

The 2019 American Association of Hip and Knee Surgeons (AAHKS) Annual Meeting featured research from various Columbia Orthopedics faculty and residents. The meeting took place on November 7th to 10th in Dallas, Texas. The AAHKS meeting brings together surgeons, teams, and other total joint arthroplasty (TJA) health care providers to discuss and present on topics such as implant design, outcomes, surgical techniques and complications of primary and revision (TJA) for hip and knee surgeons.

See below for the syllabus of presentations, posters, and papers being presented by Columbia Orthopedics faculty and residents:

Saturday, November 9, 2019

Session Two: Primary Total Hip Arthroplasty

  • 7:34am - The Effect of Preoperative Anemia on Complications Following Total Hip Arthroplasty. Matthew J. Grosso, MD. (Authors: Matthew J. Grosso, MD, Venkat Boddapati, MD, Herbert J. Cooper, MD, Jeffrey A. Geller, MD, Roshan P. Shah, MD, Alexander L. Neuwirth, MD)
  • 7:46am - Does Femoral Component Cementation Affect Costs or Clinical Outcomes After Hip Arthroplasty in Medicare Patients? Matthew S. Hepinstall, MD. (Authors: Jason Oh, MD, William Yang, BA, Tara Moore, MS, Kristina Dushaj, MA, Herbert J. Cooper, MD, Matthew S. Hepinstall, MD)


  • Pre-Operative Anemia is Associated with 30-day Morbidity. Alexander L. Neuwirth, Matthew Grosso, Venkat Boddapati , Roshan P. Shah , Jeffrey A. Geller, H. John Cooper
  • The Majority of Postoperative Opioid Prescriptions are from Non-Orthopedists: 12-Month Follow Up of Total Joint Arthroplasty Patients. Austin Kaidi, Akshay Lakra, Emma Jennings, Alexander L. Neuwirth, H. John Cooper, Thomas R. Hickernell
  • Choice of Anticoagulant and NSAID Avoidance Affect Risk of Stiffness Following Total Knee Arthroplasty. Jeremy Frederick, Emma Jennings, Roshan P. Shah, Jeffrey A. Geller, H. John Cooper
  • Incisional Negative Pressure Reduces Surgical Site Complications in High-Risk Direct Anterior THA: Interim Analysis of a Randomized Controlled Trial. H. John Cooper, Emma Jennings, Jeffrey A. Geller, Jose A. Rodriguez, Sebastian Rodriguez-Elizade, Roshan P. Shah
  • Short Duration Spinal Anesthesia Using Chlorprocaine Improves Perioperative Mobilization Following Fast-Track Total Joint Arthroplasty. Carl L. Herndon, Roxana Martinez, Nana O. Sarpong, Jeffrey A. Geller, Roshan P. Shah, H. John Cooper
  • Risk of Instability following Revision Surgery for Periprosthetic Joint Infection. Luke G. Menken, Zachary P. Berliner, Yevgeniy Korshunov, H. John Cooper, Matthew S. Hepinstall, Jose A. Rodriguez
  • Patient-Specific and Radiographic Risk Factors for Perioperative Periprosthetic Femoral Fracture Surrounding Direct Anterior Approach Total Hip Arthroplasty. Zachary P Berliner, Cameron K Yau, Marcel Bas-Aguilar, Kenneth H. Jahng, H. John Cooper, Jose A. Rodriguez
  • Short-Duration Spinal Anesthesia using Chlorprocaine Improves Hospital Length of Stay following Fast-Track Unicondylar Knee Arthroplasty. Carl L. Herndon, Roxana Martinez, Nana O. Sarpong, Jeffrey A. Geller, Roshan P. Shah, H. John Cooper
  • Bipedicle Fasciocutaneous Advancement Flap Coverage for Soft Tissue Defects after Total Knee Arthroplasty. Nicholas C. Danford, Chia Wu, Roshan P. Shah, R. Kumar Kadiyala
  • Accuracy of Reference Axes for Femoral Component Rotation in Total Knee Arthroplasty: Computed Tomography-Based Study of 2,128 Femora. Eugene S. Jang, Ronald Ehlert, Sally LiArno, Jeffrey A. Geller, H. John Cooper, Roshan P. Shah
  • Early Acetabular Erosion Following Unipolar Hemiarthroplasty in Patients with Pathologic Bone. Jared A. Nowell, Akshay Lakra, Emma Jennings, Jeffrey A. Geller, H. John Cooper, Roshan P. Shah
  • A Randomized Controlled Trial of Outcomes in Free-Hand Versus Sensor-Guided Balancing in Total Knee Arthroplasty: Results From The Short Term. Nana O. Sarpong, Emma Jennings, Matthew J. Grosso, Akshay Lakra, Michael B. Held, Carl L. Herndon, Roshan P. Shah, H. John Cooper, Jeffrey A. Geller
  • An Early Comparison of Imageless Robotic-Assisted vs Conventional Total Knee Arthroplasty: A Retrospective Cohort Study. Michael B. Held, Matthew J. Grosso, Anastasia Gazgalis, Nana O. Sarpong, Emma Jennings, Roshan P. Shah, H. John Cooper, Jeffrey A. Geller