Research

Research is a cornerstone of the JFK Hospital Orthopaedic Surgery Residency, reflecting our commitment to advancing orthopaedic care while developing residents into thoughtful, evidence-based surgeons and future leaders in the field. Through dedicated mentorship, collaboration, and active participation in clinical research, our residents are encouraged to pursue meaningful questions that improve patient outcomes and contribute to the broader orthopaedic community. Our emphasis on research productivity provides residents with the skills, experience, and academic foundation necessary to make lasting contributions to orthopaedic surgery.

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Residents and Faculty at Shoulder360 in Miami (2026)

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Palm Beach Research and Education Foundation

The close partnership between the JFK Hospital Orthopaedic Surgery Residency and the Palm Beach Research and Education Foundation creates a collaborative environment dedicated to advancing orthopaedic knowledge, improving patient care, and fostering innovation in the field. Through this relationship, students interested in pursuing careers in orthopaedic surgery gain meaningful opportunities to participate in research, work alongside orthopaedic surgeons and residents, and develop the academic and investigative skills necessary to become the next generation of leaders in orthopaedics.

Learn More about the Palm Beach Reaserch and Education Foundation

For any questions regarding research opportunities with our program please do not hesitate to reach out to us.

Chief Research Fellow

Paul Gerges

Cell: (661) 733-7256

Email: gergespaul@gmail.com

Research Productivity

Publications

Gerges PE, Boley J, Kailes B, John DQ, Donley C, Schiller NC, Lima DJL, Routman HD, Reiter BK. Subchondroplasty for Knee Bone Marrow Lesions: Outcomes, Conversion to Arthroplasty, and Predictors of Failure: A Systematic Review and Meta-Analysis. Journal of Orthopaedics. 2026;In Press.

Routman DH, Gerges PE, Schiller NC, John DQ, Daji A, Shaver J, Lima DJL, Subpectoral Onlay Cortical Button Fixation for Biceps Tenodesis. JBJS Essential Surgical Techniques. Accepted for Publication: In Press

Daji A, John DQ, Burzynski C, DeShetler DF, Lima DJL, Routman HD. Prognostic value of the Neer and Mayo-Fundacion Jimenez Diaz classifications in reverse shoulder arthroplasty for proximal humerus fractures. JSES Rev Rep Tech. 2026 Apr 30;6(3):100767. doi: 10.1016/j.xrrt.2026.100767. PMID: 42317422; PMCID: PMC13273781.

John, Devin Q.; Lee, Vincent; Daji, Akshay V.; Lapica, Hans; Donley, Connor; McCrosson, Matthew J.; Coutelle, Nino; Fernandez, Carlos; and Lima, Diego (2026) "Does Staff Education Increase Sequential Compression Device Utilization: A Retrospective Study," HCA Healthcare Journal of Medicine: Vol. 7: Iss. 3, Article 3.

DOI: 10.36518/2689-0216.2271

Cartagena-Reyes MA, Lugo E, Siddiqui RN, Gerges PE, Lima DJL, Routman H. A cost-utility analysis of a pre-operative 12-week smoking cessation program in adults undergoing elective shoulder arthroplasty. Seminars in Arthroplasty: JSES. Accepted for Publication: In Press.

Lee V, Durkee SM, Ponce BA, Coutelle N, Gerges P, Lima D. Impact of Glucagon-Like Peptide-1 Receptor Agonists on Postoperative Outcomes in Arthroplasty: A Systematic Review. J Arthroplasty. 2025 Jul 16:S0883-5403(25)00878-2. doi: 10.1016/j.arth.2025.07.015. Epub ahead of print. PMID: 40675511.

National and Regional Conference Podium Presentations

Paul E. Gerges, Jaxon Boley, Benjamin Kailes, Devin Q. John, Connor J. Donley, Nicholas C. Schiller, Diego J.L. Lima, Howard D. Routman, Brian K. Reiter. Subchondroplasty for Knee Bone Marrow Lesions: Outcomes, Conversion to Arthroplasty, and Predictors of Failure: A Systematic Review and Meta-Analysis. NSU Orthopaedic Conference, Davie, FL, August 15, 2026.

Aisha Albu Mustaf, Miguel Cartagena, Chase Burzynski, Joshua Hancock, Carlos Ortiz-Babilonia, Diego Lima, Howard Routman. The Cost-Effectiveness of Navigation Systems in Reverse Shoulder Arthroplasty. Podium presentation at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Akshay Daji, Connor Donley, Daniel F. DeShetler, Raheyma N. Siddiqui, Paul E. Gerges, Sean Grey, Richard Jones, Diego J. L. Lima, Howard D. Routman. Impact of Volume Replacement in Onlay Reverse Shoulder Arthroplasty on Post-operative Outcomes, a Multicenter Study. Podium presentation at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Paul E. Gerges, Carlos Fernandez, Leon Liu, Daniel F. DeShetler, Howard D. Routman, Diego J.L. Lima. Liposomal Bupivacaine (Exparel) in Total Shoulder Arthroplasty: A Retrospective Outcomes Analysis. Florida Orthopaedic Society Meeting, Orlando, FL, June 6, 2026.

Devin Q. John, Akshay Daji, Chase Burzynski, Daniel F. DeShetler, Diego J.L. Lima, Howard D. Routman. Prognostic value of the Neer and Mayo-Fundacion Jimenez Diaz classifications in reverse shoulder arthroplasty for proximal humerus fractures. Florida Orthopaedic Society Meeting, Orlando, FL, June 6, 2026.

Akshay Daji, Connor Donley, Raheyma N. Siddiqui, Daniel F. DeShetler, Diego J. Lima, Howard Routman. Impact of Volume Replacement in Onlay Reverse Shoulder Arthroplasty on Patient Reported Outcome Measures – a Pilot Study. ASAP - Snowbird, UT. January, 2026

Hans Lapica, Akshay Daji, Josue Layuno, Paul E. Gerges, Scott Sandilands Diagnostic value of the neutrophil-lymphocyte ratio in fracture-related infections: a retrospective analysis. Clinical Orthopaedic Society Annual Meeting, Amelia Island, FL, September 6, 2025.

Akshay Daji, Connor Donley, Raheyma N. Siddiqui, Diego J. Lima, Howard Routman. Impact of Volume Replacement in Onlay Reverse Shoulder Arthroplasty on Patient Reported Outcome Measures – a Pilot Study. Nashville - TN. August, 2025

Hans Lapica, Akshay Daji, Josue Layuno, Paul E. Gerges, Scott Sandilands. Diagnostic value of the neutrophil-lymphocyte ratio in fracture-related infections: a retrospective analysis. Southern Orthopaedic Association Annual Meeting, Naples, FL, July 24, 2025.

National and Regional Conference Poster Presentations

Devin Q. John, Parimal Rana, Thais Schwartz, Diego J. L. Lima, Howard D. Routman. The Association of Postoperative Physical Therapy Timing on Outcomes in Hip Fracture Surgery Patients. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Lauren Stern, Benjamin Kailes, Paul Gerges, Felipe Angel, Daniel F. DeShetler, Diego J. L. Lima, Howard D. Routman. Clinical Outcomes 10 Years After Shoulder Arthroplasty: A Single-Surgeon Cohort. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Aisha Albu Mustaf, Carlos Ortiz-Babilonia, Miguel Cartagena, Paul Gerges, Ilya Voloshin, Diego J. L. Lima, Howard Routman. Cost-Utility of Preoperative Glycemic Optimization for Reducing Surgical Site Infections After Total Shoulder Arthroplasty. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Joshua Roemer, Chase Burzynski, Gabriella Haid, Ahmed H. Javed, Daniel F. DeShetler, Nino Coutelle, Diego J. L. Lima, Howard D. Routman. Effects of Insurance Prior Authorization Scrutiny on Shoulder Arthroplasty. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Deva B. Mark, Irvin G. Vaca, Paul E. Gerges, Devin Q. John, Daniel F. DeShetler, Parimal C. Rana, Cyrus J. Lashgari, Justin J. Turcotte, Jane C. Brennan, Diego J. L. Lima, Howard D. Routman. Opioid Intake Patterns in Patients with Proximal Humerus Fractures. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Ahmed H. Javed, Paul E. Gerges, Daniel F. DeShetler, Miguel A. Cartagena-Reyes, Diego J. L. Lima, Howard D. Routman. Cost-Effectiveness of Prehabilitation Before Total Shoulder Arthroplasty: The Impact of Surgical Delay and Treatment-Effect Transferability. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Paul E. Gerges, Elizabeth Cinquegrani, Devin Q. John, Connor Donley, Benjamin Kailes, Miguel A. Cartagena-Reyes, Nicholas Schiller, Diego J. L. Lima, Howard D. Routman. Joint-Preserving Surgical Treatments for Osteonecrosis of the Humeral Head: A Systematic Review. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Connor Donley, Joseph Shaver, Elizabeth Cinquegrani, Jaxon S. Boley, Deva Mark, Felipe Angel, Gabriella Haid, Paul E. Gerges, Daniel F. DeShetler, Diego J. Lima, Howard Routman. Primary Elective Total Shoulder Arthroplasty: Outpatient versus Overnight Stay. Poster presented at: NSU Orthopaedic Conference; August 15, 2026; Davie, FL.

Devin Q John, Daniel F DeShetler, Paul E. Gerges, Leon Z Liu, Diego J L Lima, Howard D Routman. Is Humeral Stem Retention in Revision Shoulder Arthroplasty Advantageous? A Retrospective Study. June 2026 Florida Orthopaedic Society Orlando, FL.

Paul E. Gerges, Nicholas C. Schiller, Diego J.L. Lima, Howard D. Routman, Subpectoral Biceps Tenodesis Technique: A Surgical Technique. Poster presented at Shoulder 360; 2026 April 23-26; Miami, FL.

Connor J. Donley, Joseph C. Shaver, Daniel F. DeShetler, Elizabeth Cinquegrani, Jaxon Boley, Paul E. Gerges, Nicholas C. Schiller, Diego J.L. Lima, Howard D. Routman, Primary Elective Shoulder Arthroplasty: Outpatient vs. Overnight Stay. Poster presented at Shoulder 360; 2026 April 23-26; Miami, FL.

Daniel F DeShetler, Akshay V Daji, Raheyma N Siddiqui, Sean Grey, Richard Jones, Diego J L Lima, Howard D Routman. Deltoid-to-Glenosphere Volume Ratio and Deltoid-to-Humeral Head Volume Correlate with Postoperative Outcomes After Reverse Shoulder Arthroplasty. April 2026 Shoulder 360 Miami Beach, FL.

Danie F DeShetler, Akshay V Daji, Connor J Donley, Raheyma N Siddiqui, Sean Grey, Richard Jones, Diego J L Lima, Howard D Routman. Impact of Volume Replacement in Onlay Reverse Shoulder Arthroplasty on Post-operative Outcomes, a Multicenter Study. April 2026 Shoulder 360 Miami Beach, FL.

Daniel F DeShetler, Leon Z Liu, Devin Q John, Diego J L Lima, Howard D Routman. Is Humeral Stem Retention in Revision Shoulder Arthroplasty Advantageous? A Retrospective Study. April 2026 Shoulder 360 Miami Beach, FL.

Akshay V Daji, Devin Q John, Chase Burzynski, Daniel F DeShetler, Diego J L Lima, Howard D Routman. Prognostic Value of the Neer and Mayo-FJD Classifications in Reverse Shoulder Arthroplasty for Proximal Humerus Fractures. April 2026 Shoulder 360 Miami Beach, FL.

Paul Gerges, Devin John, Joseph Shaver, Howard Routman, Diego Lima. Chronic Native Septic Arthritis of the Elbow Caused by Cutibacterium acnes: A Case Report. April 2025 Shoulder 360 Miami Beach, FL.

Carlos A. Fernandez, Adam Nguyen, Howard D Routman, Diego J. Lima. Liposomal Bupivacaine interscalene nerve block provides improved analgesia when compared to traditional pain modalities in patients undergoing shoulder arthroplasty. April 2025 Shoulder 360 Miami Beach, FL.

Nino Coutelle, Vincent Lee, Stephen Durkee, Paul Gerges, Brock Snyder, Diego Lima. Impact of GLP-1 Agonists on Postoperative Outcomes in Joint Replacement Surgery: A Literature Review. April 2025 Shoulder 360 Miami Beach, FL.

Devin John, Vincent Lee, Akshay Daji, Hans Lapica, Connor Donley, Nino Coutelle, Carlos Fernandez, Diego Lima. Does Staff Education Increase Sequential Compression Device Utilization for Orthopedic Patients: A Quality Improvement Project. April 2025 Shoulder 360 Miami Beach, FL.

Paul Gerges, Miguel A. Cartagena-Reyes, Shay Daji, Joseph C. Shaver, Diego Lima, Howard Routman. Complex Shoulder Injuries Following Traumatic Mechanisms: Electrocution-Associated Fracture Dislocation, Seizure-Induced Instability with Bipolar Bone Loss, and Fall-Related Glenohumeral Fracture-Dislocation. April 2025 Shoulder 360 Miami Beach, FL.

Miguel A. Cartagena-Reyes, Elyette Lugo, Paul Gerges, Diego Lima, Howard Routman. A Cost-Utility Analysis of a Preoperative 12-Week Smoking Cessation Program in Adults Undergoing Elective Shoulder Arthroplasty. April 2025 Shoulder 360 Miami Beach, FL.