John Gabriel Horneff III, MD
Associate Professor of Clinical Orthopaedic Surgery
Attending, Orthopaedic Surgeon , Hospital of the University of Pennsylvania
Director of Shoulder and Elbow Fellowship, Department of Orthopaedics, University of Pennsylvania, Philadelphia, PA
Department: Orthopaedic Surgery
Contact information
3737 Market Street
Sixth Floor
Philadelphia, PA 19104
Sixth Floor
Philadelphia, PA 19104
Publications
Education:
B.A. (Biology)
Honors College at Rutgers University, 2006.
M.D. (Medicine)
University of Pennsylvania School of Medicine, 2010.
Permanent linkB.A. (Biology)
Honors College at Rutgers University, 2006.
M.D. (Medicine)
University of Pennsylvania School of Medicine, 2010.
Description of Clinical Expertise
shoulder; elbow; fracture; arthritis; rotator cuff tear; distal biceps tear; distal triceps tear; cuff tear arthropathy; shoulder arthroplasty; elbow arthroplasty; arthroscopic shoulder surgery; arthroscopic elbow surgery; shoulder instability; elbow instabilityDescription of Research Expertise
Shoulder; elbow; rotator cuff; cuff tear arthropathy; shoulder arthritis; proximal humerus fracture; biceps tendon; triceps tendon; elbow arthritis; shoulder instability; elbow instability; clinical researchSelected Publications
Lawand JJ, Rizk AA, Sogbein OA, Granruth C, Ghali A, Hill BW, Khan AZ, Horneff JG, Abboud JA.: Preoperative malnutrition is associated with increased risk of 90-day major medical complications and increased 2-year revision rates following total shoulder arthroplasty. J Shoulder Elbow Surg. April 2025 Notes: S1058-2746(25)00326-X. DOI: 10.1016/j.jse.2025.03.005.Daher M, Parmar T, Boufadel P, Mares MY, Khalil W, Horneff JG, Abboud JA, Khan AZ.: Patient-specific instrumentation in primary total shoulder arthroplasty: a meta-analysis of clinical outcomes. Clin Shoulder Elb. 2025 Apr 30. (Online ahead of print). Clin Shoulder Elb. April 2025 Notes: (Online ahead of print) DOI: 10.5397/cise.2024.01095.
Livesey M, Myerson CL, Horneff JG 3rd.: Reverse shoulder arthroplasty in the revision setting. JSES International March 2025 Notes: Article in Press https://doi.org/10.1016/j.jseint.2025.02.019.
Fares MY, Parmar T, Boufadel P, Daher M, Berg J, Witt A, Hill BW, Horneff JG, Khan AZ, Abboud JA.: An assessment of the performance of different chatbots on shoulder and elbow questions. J Clin Med. 14(7): 2289, March 2025 Notes: DOI: 10.3390/jcm14072289.
Benjamin R Campbell, Corey J Schiffman, Raymond E Chen, Justin C Wong, John G Horneff, Mark D Lazarus: Clinical and radiographic outcomes of shoulder hemiarthroplasty for patients with glenoid medialization. Journal of Shoulder and Elbow Surgery 34(1): e15-e21, January 2025 Notes: DOI: 10.1016/j.jse.2024.03.010.
Mohammad Daher, Oscar Cobvarrubias, Peter Boufadel, Mohamad Y Fares, Daniel E Goltz, Adam Z Khan, John G Horneff, Joseph A Abboud: Outpatient versus inpatient total shoulder arthroplasty: a meta-analysis of clinical outcomes and adverse events. International Orthopaedics 49(1): 151-165, January 2025 Notes: doi: 10.1007/s00264-024-06364-5.
Gutman MJ, Patel MS, Connelly JW, Paxton ES, Namdari S, Horneff JG. : Early clinical outcomes of polyaxial locking cap plate fixation for fixation of displaced olecranon fractures. Arch Bone Jt Surg. 13(1): 23-29, January 2025.
John G Horneff, Joseph A Abboud, Antonia Chen, Asif Ilyas: Reducing opioid use in orthopaedic surgery. AAOS Instructional Course Lectures 74: 313-322, January 2025.
Horneff JG 3rd, Abboud JA, Chen AF, Ilyas A.: Chapter 25: Reducing Opioid Use in Orthopaedic Surgery. AAOS Instructional Course Lectures, Volume 74. Hettrich CM and Li X (Ed.) (eds.). Wolters Kluwer, 2025.
Rashad Madi, Ryan Lopez, Holt S Cutler, C Lucas Myerson, Alexander Lee, Cody Hansen, David L Glaser, G Russell Huffman, John D Kelly 4th, John G Horneff 3rd: Primary open Latarjet procedure versus revision to open Latarjet procedure for anterior shoulder instability. Orthopedics 47(6): 343-348, Nov-Dec 2024 Notes: DOI: 10.3928/01477447-20240826-06.