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John Gabriel Horneff III, MD

Assistant 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
Education:
B.A. (Biology)
Honors College at Rutgers University, 2006.
M.D. (Medicine)
University of Pennsylvania School of Medicine, 2010.
Post-Graduate Training
Intern in Orthopaedic and General Surgery, University of Pennsylvania, 2010-2011.
Resident in Orthopaedic Surgery, University of Pennsylvania, 2011-2015.
Fellowship in Shoulder and Elbow Surgery, Thomas Jefferson University, 2015-2016.
Certifications
American Board of Orthopaedic Surgeons, 2018.
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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 instability

Description 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 research

Selected Publications

Harwood KL, Oganezova K, Orellana KJ, Ashe K, Williams BA, Horneff JG. : Rotator cuff injuries in the pediatric population: a retrospective review of patient characteristics and treatment at a single center. Sports Health. DOI: 10.1177/19417381231174021 (eds.). 16(3): 340-346, May-Jun 2024.

Campbell BR, Schiffman C, Chen R, Wong J, Horneff JG, Lazarus M.: Clinical and radiographic outcomes of shoulder hemiarthroplasty for patients with glenoid medialization. J Shoulder Elbow Surg. April 2024 Notes: Online ahead of print 10.1016/j.jse.2024.03.010.

Schoch BS, Hao KA, Traverse JM, Aibinder WR, King JJ, Polakovic S, Elwell J, Simovitch RW, Horneff JG. : Planned glenoid implant utilization: a comparison of preoperative planning with and without computer-assisted navigation. J Am Acad Orthop Surg. March 2024 Notes: Online ahead of print. DOI: 10.5435/JAAOS-D-23-00924.

Klifto CS, Cheung EV, Holcomb JO, Frankle MA, Duralde XA, MacDonald PB, Ricchetti ET, Aibinder WR, MAmini MH, Barnes LF, Byram IR, Chalmers PN, Chuinard CR, Friedman A, Gilotra M, Gregory JM, Grogan BF, Horneff 3rd JG, Kassam H, Kazanjian JE, Kilcoyne KG, Kowalsky MS, Li X, Liu JN, Muh SJ, Munoz J, Patterson B, Phipatanakul WP, Ward AM, Waterman BR, Woodmass JM, Wright M: Are leaders born to lead, or are they made? Journal Shoulder and Elbow Surgery 33(3): 531-535, March 2024 Notes: doi: 10.1016/j.jse.2023.08.020.

Luthringer TA, Horneff JG 3rd, Abboud JA.: Stemless Reverse Shoulder Arthroplasty. J Am Acad Orthop Surg 32(2): e63-e72, January 2024 Notes: DOI: 10.5435/JAAOS-D-23-00075.

ASES Complications of RSA Research Group; Lohre R, Swanson DP, Mahendraraj KA, Elmallah R, Glass EA, Dunn WR, Cannon DJ, Friedman LG, Gaudette JA, Green J, Grobaty L, Gutman M, Kakalecik J, Kloby MA, Konrade EN, Knack MC, Loveland A, Mathew JI, Myhre L, Nyfeler J, Parsell DE, Pazik M, Polisetty TS, Ponnuru P, Smith KM, Sprengel KA, Thakar O, Turnbull L, Vaughan A, Wheelwright JC, Abboud J, Armstrong A, Austin L, Brolin T, Entezari V, Garrigues GE, Grawe B, Gulotta LV, Hobgood R, Horneff JG, Iannotti J, Khazzam M, King JJ, Kirsch JM, Levy JC, Murthi A, Namdari S, Nicholson GP, Otto RJ, Ricchetti ET, Tashjian R, Throckmorton T, Wright T, Jawa A.: Predictors of Dislocations after Reverse Shoulder Arthroplasty: A study by the ASES Complications of RSA Multicenter Research Group. J Shoulder Elbow Surg 33(1): 73-81, January 2024.

Serra Lopez VM, Cheema AN, Blumenthal SR, Horneff JG 3rd, Huffman GR.: Glenohumeral joint auto-fusion in a morbidly obese patient intubated for severe COVID-19 infection. JSES Rev Rep Tech. 4(1): 86-90, October 2023 Notes: DOI: 10.1016/j.xrrt.2023.09.011.

ASES Complications of RSA Research Group; Lohre R, Swanson DP, Mahendraraj KA, Elmallah R, Glass EA, Dunn WR, Cannon DJ, Friedman LG, Gaudette JA, Green J, Grobaty L, Gutman M, Kakalecik J, Kloby MA, Konrade EN, Knack MC, Loveland A, Mathew JI, Myhre L, Nyfeler J, Parsell DE, Pazik M, Polisetty TS, Ponnuru P, Smith KM, Sprengel KA, Thakar O, Turnbull L, Vaughan A, Wheelwright JC, Abboud J, Armstrong A, Austin L, Brolin T, Entezari V, Garrigues GE, Grawe B, Gulotta LV, Hobgood R, Horneff JG, Iannotti J, Khazzam M, King JJ, Kirsch JM, Levy JC, Murthi A, Namdari S, Nicholson GP, Otto RJ, Ricchetti ET, Tashjian R, Throckmorton T, Wright T, Jawa A.: Low success rate of closed reductions when treating dislocatons after reverse shoulder arthroplasty: a study by the ASES Complications of RSA Multicenter Research Group. 2023 ASES Annual Closed Meeting October 2023 Notes: Scottsdale, AZ.

Taylor A.: Investing in big screens could mean big outcomes. Outpatient Surgery Magazine XXIV(10), October 2023 Notes: https://www.aorn.org/outpatient-surgery/article/investing-in-big-screens-could-mean-big-outcomes.

Jeff Fletcher: Experts weigh in on Shohei Ohtani's elbow procedure. The Orange County Register September 2023 Notes: https://www.ocregister.com/2023/09/20/experts-weigh-in-on-shohei-ohtanis-elbow-procedure/ Quoted in article.

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Last updated: 05/05/2024
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