Our residents continue to raise the bar through their contributions to academic scholarship, professional conferences, and collaborative research. Over the past year, they have authored peer-reviewed publications, delivered podium presentations, and shared their work at regional and national meetings. This section highlights the breadth and impact of their efforts, reflecting not only clinical excellence but a deep commitment to advancing the field of orthopaedics. We are proud to celebrate their achievements and the curiosity, rigor, and collaboration that made them possible.
American Orthopaedic Association Annual Leadership Meeting
June 2025; Minneapolis, MN
Atteberry M*, Leonard AK*, Thomas O, Garvin KL, Putnam SM. Female Medical Students’ Exposure and Perceptions of the Field of Orthopaedics
American Academy of Orthopaedic Surgeons Annual Meeting
March 2025, San Diego, CA
Leonard AK*, Buckner B, Staple B, Salaymeh J, Holubeck P, Lyden E, Cortes-Penfield N, Hewlett A, Kildow B, Hartman C. Are Real Component Articulating Spacers a Safe and Effective Option compared to All Cement Spacers for the Treatment of Prosthetic Joint infection in Total Knee Arthroplasty?
American Orthopaedic Society for Sports Medicine (AOSSM) Annual Meeting
March 2025, San Diego, CA
Kallman, Tyler, MD,* Mark Amirtharaj, MD, Melissa Manzer, Matthew Tao, MD, Elizabeth Wellsandt. Increased anterior tibial translation not associated with degradation in knee articular cartilage following anterior cruciate ligament reconstruction.
Zitsch, B. MD,* Freeman, M., MD, Taylor, B., Jensen, S., Wellsandt, E., Lyden, E., Tao, M., MD, Hartman, C., MD. A Prospective Randomized Clinical Trial to Assess the Effects of Tourniquet Use on Gait Parameters Following Primary Total Knee Arthroplasty.
Current Concepts in Joint Replacement Annual Meeting
December 2024; Orlando, FL.
Leonard AK, Buckner B*, Staple B, Salaymeh J, Holubeck P, Lyden E, Cortes-Penfield N, Hewlett A, Kildow B, Hartman C. Are Real Component Articulating Spacers a Safe and Effective Option compared to All Cement Spacers for the Treatment of Prosthetic Joint infection in Total Knee Arthroplasty?
Zitsch, B. MD,* Freeman, M., MD, Taylor, B., Jensen, S., Wellsandt, E., Lyden, E., Tao, M., MD, Hartman, C., MD. A Prospective Randomized Clinical Trial to Assess the Effects of Tourniquet Use on Gait Parameters Following Primary Total Knee Arthroplasty.
Eastern Orthopaedic Association
October 2024, Palm Beach, FL
Sarah Powell, MD, Medical Student Interest in Orthopaedics Before and After Sawbones Lab.
Mid-America Orthopaedic Association (MAOA) Annual Meeting
April 2025, San Antonio, TX
Tyler Kallman, MD, Elizabeth Lynden, Ph.D., Justin Greiner, MD. Multi-Ligament Knee Injuries in National Football League Athletes
Oliva Thomas, MD, Thomas Clare, BS, Joseph Morgan, MD. Antibiotic Prescription Practices in Revision Finger Amputations
Sarah Powell, MD, Aidan Gaertner, BS, Granlee Nguyen, BS, Elizabeth Lynden, MS, Annemarie Leonard, MD, Christopher Deans, MD. Predictors of Five-Year Mortality in Femoral Neck Fractures
Ashwin Garlapaty, BS, Nathan Cherian, MD, Brett Crist, MD, FACS. Factors That Influence the Quality of Letters of Recommendation for Orthopedic Trauma Fellowship Applicants: A Survey of Fellowship Directors
Annemarie Leonard, MD, Frances Akwuole, Thomas Leonard, Mazie Atteberry, Sara Putnam, MD. Analysis of Female Medical Student Matriculation into Orthopedic Surgery Nationally.
UNMC GME Research Symposium
April 2025, Omaha, NE
The Graduate Medical Education (GME) Research Symposium offers an engaging platform for house officers from UNMC and CHI Health to showcase their research across a broad range of disciplines, including clinical outcomes, basic science, education, health policy, business, and the humanities.
The Department of Orthopaedic Surgery & Rehabilitation was well-represented with poster and oral presentations moderated by Dr. Kevin Garvin. Our residents delivered impactful research on topics ranging from opioid use to gender equity in medical education.
Presenters and Topics Included:
- Annemarie Leonard, MD – Analysis of Female Medical Student Matriculation Into Orthopaedic Surgery Nationally by Medical School
- Annemarie Leonard, MD — Exploring Barriers to Pre-Clinical Female Medical Student Involvement in Orthopaedics at a Single Institution
- Annemarie Leonard, MD – A Quality Improvement Initiative: Retrospective Analysis of Impact of Cytogenetics in Orthopedic Oncologic Diagnosis and Subsequent Management
- Sarah Powell, MD – Increased Utilization of Assistive Reproductive Technologies Amongst Female Orthopedists
- Tyler Sharp, MD – A Novel Multi-Disciplinary Opioid Tapering Program for Standardized Postoperative Opioid Use
- Olivia Thomas, MD – Antibiotic Prescription Practices in Revision Finger Amputations
- Olivia Thomas, MD – High-Energy, High-Resource: Attempting to Predict 4th of July Hand Call Burden
The presentations demonstrated the department’s continued commitment to research excellence and innovation in patient care, medical education, and diversity in medicine.
Resident Publications
Ashley E. Creager Justin C. Siebler, Optimizing the Orthopaedic Trauma Patient- Staged Management, Operative Techniques in Orthopaedics, Volume 34, Issue 3, 2024, 101127, ISSN 1048-6666.
Deans, C., Zitsch, B., Kildow, B., Garvin, K. Cementless Total Knee Arthroplasty: Is it Safe in Demineralized Bone. Orthopaedic Clinics of North America. July 2024.
Zitsch, B., Salaymeh, J., Burdyny, M., Buckner, B., Lyden, E., Konigsberg, B., Garvin, K., Hartman, C. Metaphyseal Fixation Using Cones and Sleeves for Severe Proximal Tibia Bone Loss. Journal of Arthroplasty. August, 2024.
Zitsch, B., Cahoy, K., Urban, N., Buckner, B., Garvin, K.Highly Cross-Linked Polyethylene in Patients 50 Years of Age and Younger: A 20-year Follow-Up Analysis. Journal of Arthroplasty. September, 2024.
Erin Stockwell, MD, Nathanael D. Urban, BS, Mathew Hays, MD, Meghan Mccaskey MD, Meghan Maseda, MD, Matthew A. Mormino, MD, Justin C. Siebler, MD, Hassan R. Mir, MD, MBA,; Sara M. Putnam, MD. Unrestricted Weightbearing and Ability to Achieve Postoperative Ambulation After Distal Femur Fracture Fixation in Elderly Patients is not Associated with Decreased Mortality. European Journal of Orthopaedic Surgery and Traumatology, Vol 35, article number 70, Feb 2025.
Zitsch, B,. Byrd, J., Buckner, B., Konigsberg, B., Hartman, C.Tapered Fluted Titanium Stems in Revision Total Hip Arthroplasty. Orthopedics.Published March 2025.
Samuelson, E., Fehringer, E., Hatzidakis, A., Weisenburger, J., Lyden, E., Mauter, E., Bader, J., Lackner, T., Zitsch, B., Haider, H. Angular Stable Intramedullary Nail Versus Locking Plate Fixation of Osteoporotic Surgical Neck Proximal Humerus Fracture: A Biomechanical Comparison. Shoulder and Elbow. Mar 13, 2025.
Curtis W. Hartman, Nicholas C. Branting, Matthew A. Mormino, Timothy J Lackner, Bradford P. Zitsch, Edward V. Fehringer, Hani Haider. Unicortical Locking Screws Provide Comparable Rigidity to Bicortical Compression Screws in Clavicle Plate Fixation Con-structs. Clinics and Practice. April 2025.
Byrd JJ, Leonard AK, Samson KK, Larson JE, Shaw J, Halanski MA. Optimal Timing for Safe Bivalving of Fiberglass Casts Is Before the Exothermic Peak. J Am Acad Orthop Surg. 2025 May 1;33(9):e480-e490. doi: 10.5435/JAAOS-D-24-00729. Epub 2024 Dec 3. PMID: 39638315.