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Seth C. Gamradt, MD

Professor of Clinical Orthopaedic Surgery

Director, Orthopaedic Athletic Medicine

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Phone +1 323 442 5860
Email gamradt@usc.edu
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Overview

Dr. Seth Gamradt is a specialist in the field of orthopaedic surgery and sports medicine at the Keck Medical Center of USC. Dr. Gamradt is the Director of Orthopaedic Athletic Medicine for USC Athletics. Dr. Gamradt’s practice has an emphasis on arthroscopic shoulder surgery; arthroscopic knee surgery and ligament reconstruction (ACL surgery); shoulder replacement; and elbow arthroscopy/ligament reconstruction. He has a special interest in caring for athletes of all ages and is a team physician for the USC Trojans. Dr. Gamradt is also a team physician for United States Women’s Soccer. A native of Minnesota, Dr. Gamradt attended college at Pepperdine University where he graduated Magna Cum Laude. Dr. Gamradt then graduated with honors from Weill Cornell Medical College in New York City. He completed his residency training in Orthopaedic Surgery at UCLA during which he completed a one-year research fellowship. After residency, Dr. Gamradt completed a sports medicine and shoulder surgery fellowship at the top-ranked Hospital for Special Surgery in New York City. During fellowship, Dr. Gamradt was an assistant team physician to the New York Giants football team. Prior to his appointment at USC, Dr. Gamradt spent many years as a team physician and orthopaedic surgeon at UCLA. Dr. Gamradt is part of the exclusive international association comprised of shoulder and elbow surgeons: The American Shoulder and Elbow Surgeons. He is one of the “Top Doctors” as ranked by US News and World Report. Dr. Gamradt has been involved in both clinical and laboratory research for over 10 years and is the author of numerous peer-reviewed research articles, book chapters, and presentations. Dr. Gamradt is on the editorial board of the journal: Techniques in Shoulder and Elbow Surgery and The Journal of Bone and Joint Surgery Sports Medicine Highlights.

Awards

  • Pasadena Magazine: Top Doctor, 2021
  • Los Angeles Magazine: Super Doctor, 2016-2022
  • Castle Connolly: America’s Top Doctors, 2016-2017
  • Sports Health : David T. Sisk Award for Best Original Research, 2015
  • America’s Top Doctor’s Award, 2015
  • ACESS: Elected to Association of Clinical Elbow and Shoulder Surgeons, 2014
  • American Shoulder and Elbow Surgeons : Elected to American Shoulder and Elbow Surgeons, 2014

Publications

  • Shoulder arthroplasty for inflammatory arthritis is associated with higher rates of medical and surgical complications: a nationwide matched cohort analysis from 2016-2020 J Shoulder Elbow Surg. 2024 May; 33(5):e233-e247. . View in PubMed
  • NCAA football players are at higher risk of upper extremity injury after first-time concussion Phys Sportsmed. 2024 Mar 07; 1-5. . View in PubMed
  • Management of Hand and Wrist Injuries in NCAA Division I Football Players From a Single Institution: Factors Associated With Epidemiology, Surgical Intervention, and Return to Play Orthop J Sports Med. 2023 Nov; 11(11):23259671231188969. . View in PubMed
  • Ten Pearls for Anterior Cruciate Ligament Reconstruction Arthrosc Tech. 2023 Nov; 12(11):e2021-e2028. . View in PubMed
  • Volume, indications, and number of surgeons performing reverse total shoulder arthroplasty continue to expand: a nationwide cohort analysis from 2016-2020 JSES Int. 2023 Sep; 7(5):827-834. . View in PubMed
  • Off-Season Arthroscopic Partial Meniscectomy in National Collegiate Athletic Association Division I Football Players Has a Longer Return to Sport Time than In-Season Surgery Arthrosc Sports Med Rehabil. 2023 Feb; 5(1):e35-e40. . View in PubMed
  • Return to sport criteria following upper extremity surgery in athletes-part 4: shoulder arthroplasty procedures: a scoping review J ISAKOS. 2023 10; 8(5):364-371. . View in PubMed
  • Evaluation of spin in systematic reviews and meta-analyses of superior capsular reconstruction J Shoulder Elbow Surg. 2022 Aug; 31(8):1743-1750. . View in PubMed
  • Epidemiology and Outcomes of Maxillofacial Injuries in NCAA Division I Athletes Participating in 13 Sports Orthop J Sports Med. 2022 Mar; 10(3):23259671221083577. . View in PubMed
  • Update on injury epidemiology in rowing: our experience with female NCAA Division I athletes and a systematic review of the literature Phys Sportsmed. 2022 06; 50(3):189-196. . View in PubMed
  • Shoulder Arthroplasty in the Aging Athlete: Considerations in the Younger Patient Instr Course Lect. 2022; 71:347-360. . View in PubMed
  • Nonarthroplasty Management of Shoulder Arthritis in the Aging Athlete: Biologics and Arthroscopy Instr Course Lect. 2022; 71:135-144. . View in PubMed
  • Reliability of Plain Radiographs Versus Magnetic Resonance Imaging to Measure Tibial Slope in Sports Medicine Patients: Can They Be Used Interchangeably? Orthop J Sports Med. 2021 Oct; 9(10):23259671211033882.. View in PubMed
  • Return-to-Sport Criteria After Upper Extremity Surgery in Athletes-A Scoping Review, Part 1: Rotator Cuff and Shoulder Stabilization Procedures Orthop J Sports Med. 2021 Aug; 9(8):23259671211021827. . View in PubMed
  • Return-to-Sport Criteria After Upper Extremity Surgery in Athletes-A Scoping Review, Part 2: Ulnar Collateral Ligament of the Elbow Procedures Orthop J Sports Med. 2021 Aug; 9(8):23259671211021825. . View in PubMed
  • Return to Sport Following Operative Treatment of Displaced Medial Sesamoid Fractures in NCAA Division I Football Players Foot Ankle Int. 2021 May; 42(5):654-657. . View in PubMed
  • Injury Epidemiology and Time Lost From Participation in Women’s NCAA Division I Indoor Versus Beach Volleyball Players Orthop J Sports Med. 2021 Apr; 9(4):23259671211004546. . View in PubMed
  • Superior Capsular Reconstruction of the Shoulder Arthroscopy. 2021 06; 37(6):1708-1710. . View in PubMed
  • Surveillance testing for SARS-COV-2 infection in an asymptomatic athlete population: a prospective cohort study with 123 362 tests and 23 463 paired RT-PCR/antigen samples BMJ Open Sport Exerc Med. 2021; 7(2):e001137. . View in PubMed
  • Five-Year Surveillance of Vitamin D Levels in NCAA Division I Football Players: Risk Factors for Failed Supplementation Orthop J Sports Med. 2021 Jan; 9(1):2325967120975100. . View in PubMed
  • Epidemiology of Anterior Cruciate Ligament Injury on Natural Grass Versus Artificial Turf in Soccer: 10-Year Data From the National Collegiate Athletic Association Injury Surveillance System Orthop J Sports Med. 2020 Jul; 8(7):2325967120934434. . View in PubMed
  • National Trends in Use of Regional Anesthesia and Postoperative Patterns of Opioid Prescription Filling in Shoulder Arthroscopy: A Procedure-Specific Analysis in Patients With or Without Recent Opioid Exposure Orthop J Sports Med. 2020 Jun; 8(6):2325967120929349. . View in PubMed
  • Epidemiologic Assessment of Concussions in an NCAA Division I Women’s Soccer Team Orthop J Sports Med. 2020 May; 8(5):2325967120921746. . View in PubMed
  • Return to Sport After Hip Arthroscopy for Femoroacetabular Impingement Syndrome in NCAA Division I Athletes: Experience at a Single Institution Orthop J Sports Med. 2020 May; 8(5):2325967120918383. . View in PubMed
  • Reverse Total Shoulder Arthroplasty: Technique, Decision-Making and Exposure Tips Curr Rev Musculoskelet Med. 2020 Apr; 13(2):180-185. . View in PubMed
  • Editorial Commentary: Stagnant Surgeon Reimbursement Since 2005 Does Not Reflect the Current Complexity of Arthroscopic Rotator Cuff Repair in 2020 Arthroscopy. 2020 09; 36(9):2362-2363. . View in PubMed
  • Preoperative Vitamin D Deficiency Is Associated With Higher Postoperative Complications in Arthroscopic Rotator Cuff Repair J Am Acad Orthop Surg Glob Res Rev. 2019 Jul; 3(7):e075. . View in PubMed
  • Injections Prior to Rotator Cuff Repair Are Associated With Increased Rotator Cuff Revision Rates Arthroscopy. 2019 03; 35(3):717-724. . View in PubMed
  • The Effect of Obesity on Operative Times and 30-Day Readmissions After Anterior Cruciate Ligament Reconstruction Arthroscopy. 2019 01; 35(1):121-129. . View in PubMed
  • Clavicle Trauma: From Acromioclavicular Joint Injuries to Distal Clavicle Fractures and Midshaft Fractures in Contact Athletes Instr Course Lect. 2019; 68:41-52. . View in PubMed
  • The Role for Shoulder Hemiarthroplasty in the Young, Active Patient Clin Sports Med. 2018 Oct; 37(4):527-535. . View in PubMed
  • NONOPERATIVE TREATMENT FOR INJURIES TO THE IN-SEASON THROWING SHOULDER: A CURRENT CONCEPTS REVIEW WITH CLINICAL COMMENTARY Int J Sports Phys Ther. 2018 04; 13(2):306-320. . View in PubMed
  • Return to Play After Shoulder Instability Surgery in National Collegiate Athletic Association Division I Intercollegiate Football Athletes Am J Sports Med. 2017 Aug; 45(10):2329-2335. . View in PubMed
  • Using Small Intestine Submucosa to Augment Repair of Moderate to Large Rotator Cuff Tears Did Not Reduce Repair Failures J Bone Joint Surg Am. 2017 05 17; 99(10):884. . View in PubMed
  • Femoral Fracture Following Acute Trauma in a Female Collegiate Swimmer J Orthop Sports Phys Ther. 2016 Nov; 46(11):1010. . View in PubMed
  • Direct Cost Analysis of Outpatient Arthroscopic Rotator Cuff Repair in Medicare and Non-Medicare Populations Orthop J Sports Med. 2016 Oct; 4(10):2325967116668829. . View in PubMed
  • Epidemiology of Operative Procedures in an NCAA Division I Football Team Over 10 Seasons Orthop J Sports Med. 2016 Jul; 4(7):2325967116657530. . View in PubMed
  • Factors predicting complication and reoperation rates following surgical fixation of proximal humeral fractures J Bone Joint Surg Am. 2014 Sep 17; 96(18):1544-51. . View in PubMed
  • Prevalence of Abnormal Vitamin D Levels Among Division I NCAA Athletes Sports Health. 2014 Jul; 6(4):340-7. . View in PubMed
  • Arthroscopic versus open shoulder stabilization: current practice patterns in the United States Arthroscopy. 2014 Apr; 30(4):436-43. . View in PubMed
  • Analysis of rotator cuff repair trends in a large private insurance population Arthroscopy. 2013 Apr; 29(4):623-9. . View in PubMed
  • Failed rotator cuff surgery, evaluation and decision making Clin Sports Med. 2012 Oct; 31(4):693-712. . View in PubMed
  • Complications of arthroscopic meniscectomy in the older population Am J Sports Med. 2012 Jun; 40(6):1402-5. . View in PubMed
  • Demographic trends in arthroscopic SLAP repair in the United States Am J Sports Med. 2012 May; 40(5):1144-7. . View in PubMed
  • Contrast-enhanced ultrasound characterization of the vascularity of the repaired rotator cuff tendon: short-term and intermediate-term follow-up J Shoulder Elbow Surg. 2012 May; 21(5):597-603. . View in PubMed
  • Shoulder function and pain level after revision of failed reverse shoulder replacement to hemiarthroplasty Int J Shoulder Surg. 2012 Apr; 6(2):29-35. . View in PubMed
  • Biologic augmentation of rotator cuff repair Curr Rev Musculoskelet Med. 2011 Dec; 4(4):221-30. . View in PubMed
  • Contrast-enhanced sonographic characterization of the vascularity of the repaired rotator cuff: utility of maximum intensity projection imaging J Ultrasound Med. 2011 Aug; 30(8):1103-9. . View in PubMed
  • Instability after reverse total shoulder replacement J Shoulder Elbow Surg. 2011 Jun; 20(4):584-90. . View in PubMed
  • Static and dynamic gait parameters before and after multilevel soft tissue surgery in ambulating children with cerebral palsy J Pediatr Orthop. 2010 Mar; 30(2):174-9. . View in PubMed
  • Vascularity of the supraspinatus tendon three months after repair: characterization using contrast-enhanced ultrasound J Shoulder Elbow Surg. 2010 Jan; 19(1):73-80. . View in PubMed
  • Nonoperative treatment for proximal avulsion of the rectus femoris in professional American football Am J Sports Med. 2009 Jul; 37(7):1370-4. . View in PubMed
  • Effect of turf toe on foot contact pressures in professional American football players Foot Ankle Int. 2009 May; 30(5):405-9. . View in PubMed
  • Arthroscopic intratendinous repair of the delaminated partial-thickness rotator cuff tear in overhead athletes Arthroscopy. 2008 Aug; 24(8):961-5. . View in PubMed
  • The diagnosis and management of psoriatic arthritis in a professional football player presenting with a knee effusion: a case report Clin J Sport Med. 2008 Jul; 18(4):369-71. . View in PubMed
  • Articular cartilage repair using a resorbable matrix scaffold Instr Course Lect. 2008; 57:563-71. . View in PubMed
  • Incidental findings in cerebral imaging: arachnoid cyst in a professional football player Clin J Sport Med. 2008 Jan; 18(1):97-9. . View in PubMed
  • Kidney injuries in professional American football: implications for management of an athlete with 1 functioning kidney Am J Sports Med. 2008 Jan; 36(1):85-90. . View in PubMed
  • Health-related quality of life outcomes improve after multilevel surgery in ambulatory children with cerebral palsy J Pediatr Orthop. 2007 Sep; 27(6):653-7. . View in PubMed
  • Tracking expression of virally mediated BMP-2 in gene therapy for bone repair Clin Orthop Relat Res. 2006 Sep; 450:238-45. . View in PubMed
  • Overexpression of noggin inhibits BMP-mediated growth of osteolytic prostate cancer lesions Bone. 2006 Feb; 38(2):154-66. . View in PubMed
  • Influence of BMPs on the formation of osteoblastic lesions in metastatic prostate cancer J Bone Miner Res. 2005 Dec; 20(12):2189-99. . View in PubMed
  • The effects of RANK blockade and osteoclast depletion in a model of pure osteoblastic prostate cancer metastasis in bone J Orthop Res. 2005 Nov; 23(6):1475-83. . View in PubMed
  • Lentivirus-mediated gene transfer induces long-term transgene expression of BMP-2 in vitro and new bone formation in vivo Mol Ther. 2005 Mar; 11(3):390-8. . View in PubMed
  • The effect of cyclooxygenase-2 (COX-2) inhibition on human prostate cancer induced osteoblastic and osteolytic lesions in bone Anticancer Res. 2005 Jan-Feb; 25(1A):107-15. . View in PubMed
  • Lumbar disc arthroplasty Spine J. 2005 Jan-Feb; 5(1):95-103. . View in PubMed
  • Genetic modification of stem cells to enhance bone repair Ann Biomed Eng. 2004 Jan; 32(1):136-47. . View in PubMed
  • Bone graft for revision hip arthroplasty: biology and future applications Clin Orthop Relat Res. 2003 Dec; (417):183-94. . View in PubMed
  • Perioperative complications of threaded cylindrical lumbar interbody fusion devices: anterior versus posterior approach J Spinal Disord Tech. 2003 Dec; 16(6):502-7. . View in PubMed
  • Impact of chaparral wildfire-induced sedimentation on oviposition of stream-breeding California newts (Taricha torosa) Oecologia. 1997 May; 110(4):546-549. . View in PubMed

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