Perelman School of Medicine at the University of Pennsylvania

Biedermann Lab for Orthopaedic Research

Surena Namdari, MD

B.A. Brown University – Division of Biology
M.Sc. Brown University – Division of Biology and Medicine
M.D. Brown Medical School\
Residency, Orthopaedic Surgery, University of Pennsylvania 
Fellowship, Shoulder and Elbow Surgery, Washington University in St. Louis

Areas of Special Interest: Complex problems involving bone loss, irreparable tendon tears, failed previous surgery, arthroscopic and open treatment of all conditions of the shoulder and elbow, including arthritis, tendon disorders, fractures, and instability.   

Recent Peer-Reviewed Publications:

Mori D, Abboud JA, Namdari S, Williams GR. Glenoid Bone Loss in Anatomic Shoulder Arthroplasty: Literature Review and Surgical Technique. Orthop Clin North Am. 2015 Jul;46(3):389-397. doi: 10.1016/j.ocl.2015.02.007. Epub 2015 Mar 20. Review. PubMed PMID: 26043052.  

Padegimas EM, Maltenfort M, Lazarus MD, Ramsey ML, Williams GR, Namdari S. Future patient demand for shoulder arthroplasty by younger patients: national projections. Clin Orthop Relat Res. 2015 Jun;473(6):1860-7. doi: 10.1007/s11999-015-4231-z. Epub 2015 Mar 11. PubMed PMID: 25758376; PubMed Central PMCID: PMC4418978.  

Padegimas EM, Maltenfort M, Ramsey ML, Williams GR, Parvizi J, Namdari S. Periprosthetic shoulder infection in the United States: incidence and economic burden. J Shoulder Elbow Surg. 2015 May;24(5):741-6. doi: 10.1016/j.jse.2014.11.044. Epub 2015 Jan 13. PubMed PMID: 25595360.  

Skelley NW, Namdari S, Chamberlain AM, Keener JD, Galatz LM, Yamaguchi K. Arthroscopic debridement and capsular release for the treatment of shoulder osteoarthritis. Arthroscopy. 2015 Mar;31(3):494-500. doi: 10.1016/j.arthro.2014.08.025. Epub 2014 Nov 8. PubMed PMID: 25442651.  

Gillespie RJ, Garrigues GE, Chang ES, Namdari S, Williams GR Jr. Surgical exposure for reverse total shoulder arthroplasty: differences in approaches and outcomes. Orthop Clin North Am. 2015 Jan;46(1):49-56. doi: 10.1016/j.ocl.2014.09.015. Review. PubMed PMID: 25435034.  

Kolman S, Keenan MA, Spiegel D, Namdari S, Hosalkar H, Baldwin KD. What's new  in orthopaedic rehabilitation. J Bone Joint Surg Am. 2014 Nov 19;96(22):1925-34.  doi: 10.2106/JBJS.N.00875. PubMed PMID: 25410515.  

Hsu JE, Namdari S, Baron M, Kuntz AF, Abboud JA, Huffman GR, Williams GR, Glaser DL. Glenoid perforation with pegged components during total shoulder arthroplasty. Orthopedics. 2014 Jun;37(6):e587-91. doi: 10.3928/01477447-20140528-61. PubMed PMID: 24972442.  

Nelson GN, Namdari S, Galatz L, Keener JD. Pectoralis major tendon transfer for irreparable subscapularis tears. J Shoulder Elbow Surg. 2014 Jun;23(6):909-18. doi: 10.1016/j.jse.2013.12.035. Epub 2014 Mar 20. Review. PubMed PMID: 24656310.  

Baldwin K, Namdari S, Donegan D, Kovatch K, Ahn J, Mehta S. 100 most cited articles in fracture surgery. Am J Orthop (Belle Mead NJ). 2013 Dec;42(12):547-52. PubMed PMID: 24471143.  

Namdari S, Donegan RP, Chamberlain AM, Galatz LM, Yamaguchi K, Keener JD. Factors affecting outcome after structural failure of repaired rotator cuff tears. J Bone Joint Surg Am. 2014 Jan 15;96(2):99-105. doi: 10.2106/JBJS.M.00551. PubMed PMID: 24430408.  

Scolaro JA, Voleti P, Makani A, Namdari S, Mirza A, Mehta S. Surgical fixation of extra-articular distal humerus fractures with a posterolateral plate  through a triceps-reflecting technique. J Shoulder Elbow Surg. 2014 Feb;23(2):251-7. doi: 10.1016/j.jse.2013.09.020. Epub 2013 Dec 14. PubMed PMID: 24332951.  

Baldwin K, Yannascoli SM, Namdari S, Spiegel DA, Keenan MA. What's new in orthopaedic rehabilitation. J Bone Joint Surg Am. 2013 Nov 20;95(22):2071-7. doi: 10.2106/JBJS.M.01037. Review. PubMed PMID: 24257670.  

Namdari S, Baldwin K, Horneff JG, Keenan MA. Orthopedic evaluation and surgical treatment of the spastic shoulder. Orthop Clin North Am. 2013 Oct;44(4):605-14. doi: 10.1016/j.ocl.2013.06.012. Epub 2013 Aug 1. Review. PubMed PMID: 24095075.  

Namdari S, Horneff JG, Baldwin K. Comparison of hemiarthroplasty and reverse  arthroplasty for treatment of proximal humeral fractures: a systematic review. J  Bone Joint Surg Am. 2013 Sep 18;95(18):1701-8. doi: 10.2106/JBJS.L.01115. Review. PubMed PMID: 24048558.  

Namdari S, Donegan RP, Dahiya N, Galatz LM, Yamaguchi K, Keener JD. Characteristics of small to medium-sized rotator cuff tears with and without disruption of the anterior supraspinatus tendon. J Shoulder Elbow Surg. 2014 Jan;23(1):20-7. doi: 10.1016/j.jse.2013.05.015. Epub 2013 Aug 9. PubMed PMID: 23937927.  

Pandya NK, Namdari S. Shoulder arthroscopy in children and adolescents. J Am  Acad Orthop Surg. 2013 Jul;21(7):389-97. doi: 10.5435/JAAOS-21-07-389. Review. PubMed PMID: 23818026.  

Namdari S, Skelley N, Keener JD, Galatz LM, Yamaguchi K. What is the role of  arthroscopic debridement for glenohumeral arthritis? A critical examination of the literature. Arthroscopy. 2013 Aug;29(8):1392-8. doi: 10.1016/j.arthro.2013.02.022. Epub 2013 Apr 26. Review. PubMed PMID: 23623293.  

Namdari S, Jani S, Baldwin K, Mehta S. What is the relationship between number of publications during orthopaedic residency and selection of an academic  career? J Bone Joint Surg Am. 2013 Apr 3;95(7):e45. doi: 10.2106/JBJS.J.00516. PubMed PMID: 23553308.  

Namdari S, Melnic C, Huffman GR. Foreign body reaction to acellular dermal matrix allograft in biologic glenoid resurfacing. Clin Orthop Relat Res. 2013 Aug;471(8):2455-8. doi: 10.1007/s11999-013-2904-z. Epub 2013 Mar 12. Review. PubMed PMID: 23479235; PubMed Central PMCID: PMC3705065.  

Namdari S. Computer-assisted navigation: a way to level the playing field? Am J Orthop (Belle Mead NJ). 2012 Nov;41(11):E155-6. PubMed PMID: 23431521.   

Click here for a complete listing of publications on PubMed.

Professional Memberships:

American Academy of Orthopaedic Surgeons
Mid-Atlantic Shoulder and Elbow Society
Orthopaedic Rehabilitation Association
Pennsylvania Orthopaedic Society
American Orthopaedic Association Emerging Leaders Program
Multi-Center Orthopaedic Outcome Network (MOON) Shoulder Group
Penn Center for Musculoskeletal Disorders (PCMD) Affiliate Member