Ashraf El Naga, MD

Title(s)Associate Professor, Orthopaedic Surgery
SchoolSchool of Medicine
Address2540 23rd Street, #3908
San Francisco CA 94110
ORCID ORCID Icon0000-0003-4655-700X Additional info
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    Collapse Biography 
    Collapse education and training
    University of California, Los Angeles, Los Angeles, CABS06/2006Electrical Engineering (Summa Cum Laude)
    University of California, San Francisco School of Medicine, San Francisco, CAMD06/2012Medicine
    Baylor College of Medicine, Houston, TX06/2017Orthopaedic Surgery Residency
    University of California, San Francisco, San Francisco, CA07/2018Orthopaedic Trauma Fellowship
    University of Washington, Seattle, WA07/2012Spine Surgery Fellowship
    Collapse awards and honors
    University of California, Los Angeles2006Chancellor’s Service Award
    University of California, Los Angeles2006Henry Samueli School of Engineering and Applied Science Schoolwide Outstanding Bachelor of Science A
    Howard Hughes Medical Institute2010Howard Hughes Medical Research Fellowship
    Baylor College of Medicine2016Joseph Barnhart Bronze Hammer Award
    University of California, San Francisco.2022James M. Morris Compassionate Physician Award
    North American Spine Society2024Spineline's 20 under 40

    Collapse Overview 
    Collapse overview
    Dr. Ashraf El Naga is an orthopaedic surgeon who cares for patients with traumatic injuries. He also has expertise in spine care including traumatic spine injuries, degenerative spine conditions, scoliosis, spine tumors and infection. In addition to caring for patients at UCSF, he serves as Director of the Orthopaedic Spine Service at Zuckerberg San Francisco General Hospital and Trauma Center.

    Dr. El Naga’s research focuses on patient outcomes following fractures and spine trauma. He also studies health care disparities, technical innovations, and ways to improve surgical education.

    Dr. El Naga completed his undergraduate degree in electrical engineering at the University of California, Los Angeles, and subsequently attended the University of California, San Francisco for his medical degree. He completed residency training at Baylor College of Medicine followed by subspecialty training in orthopaedic trauma surgery at UCSF's Orthopaedic Trauma Institute and spine surgery at the University of Washington Harborview Medical Center.
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    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Percutaneous spinopelvic fixation technique using external fixation for focal kyphosis reduction in U-type sacral fractures: a case report. J Spine Surg. 2025 Mar 24; 11(1):178-190. Khela M, Agha O, Bonsignore-Opp L, Xu M, Gendelberg D, El Naga AN. PMID: 40242828; PMCID: PMC11998045.
      View in: PubMed   Mentions:
    2. Trauma center proliferation in the United States: concerns and potential solutions. OTA Int. 2025 Mar; 8(1):e359. Dehghan N, Cannada LK, El Naga AN, Miller A, Schlatterer D. PMID: 39911694; PMCID: PMC11798384.
      View in: PubMed   Mentions:
    3. Timing of Radiographic Healing for Distal Femur Fractures Treated With Intramedullary Nails. J Orthop Trauma. 2024 Dec 01; 38(12):661-667. Brodke D, Devana S, Hernandez A, O'Hara N, Burke C, Gupta J, McKibben N, O'Toole R, Morellato J, Gillon H, Walters M, Barber C, Perdue P, Dekeyser G, Steffenson L, Marchand L, Fairres MJ, Black L, Roddy E, El Naga A, Hogue M, Gulbrandsen T, Atassi O, Mitchell T, Shymon S, Working Z, Lee C. PMID: 39330970.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Fluoroscopic images of the sacroiliac joint alone are unable to identify simulated flexion or extension malreduction of the anterior pelvic ring in AO/OTA 61-B2.3 pelvic injuries. Eur J Orthop Surg Traumatol. 2024 Oct; 34(7):3577-3581. Working ZM, El Naga AN, Hoogervorst P, Knox R, Marmor MT. PMID: 38421492.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Identification of subtle residual sacroiliac joint flexion and extension malreductions in AO/OTA 61-C1.2 (APC3) pelvic injuries after provisional anterior ring reduction. Eur J Orthop Surg Traumatol. 2024 Oct; 34(7):3571-3576. El Naga AN, Working ZM, Hoogervorst P, Knox R, Marmor MT. PMID: 38376587.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Association between opioid utilization and patient-reported outcome measures following lumbar spine surgery. Spine J. 2024 Jul; 24(7):1183-1191. Wague A, O'Donnell JM, Stroud S, Filley A, Rangwalla K, Baldwin A, El Naga AN, Gendelberg D, Berven S. PMID: 38365008.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. Return to Play Criteria After Adult Lumbar Spinal Fractures: A Review of Current Literature and Expert Recommendations. Curr Rev Musculoskelet Med. 2024 Apr; 17(4):83-92. Bonsignore-Opp L, Galivanche A, El Naga AN, Gendelberg D. PMID: 38300472; PMCID: PMC10917715.
      View in: PubMed   Mentions: 2  
    8. Technical Factors Contributing to Nonunion in Supracondylar Distal Femur Fractures Treated With Lateral Locked Plating: A Risk-Stratified Analysis. J Orthop Trauma. 2024 01 01; 38(1):49-55. Stockton DJ, O'Hara NN, Brodke DJ, McKibben N, Healey K, Goch A, Demyanovich H, Devana S, Hernandez A, Burke CE, Gupta J, Marchand LS, Dekeyser GJ, Steffenson L, Shymon SJ, Fairres MJ, Perdue PW, Barber C, Atassi OH, Mitchell TW, Working ZM, Black LO, El Naga AN, Roddy E, Hogue M, Gulbrandsen T, Morellato J, Gillon WH, Walters MM, Hempen E, Slobogean GP, Lee C, O'Toole RV. PMID: 37559208.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    9. Obturator inlet and iliac oblique technique for safe, convenient, and reliable iliac screw placement. N Am Spine Soc J. 2024 Mar; 17:100298. El Naga AN, Gendelberg D. PMID: 38179105; PMCID: PMC10765288.
      View in: PubMed   Mentions: 2  
    10. Nail Plate Combination Fixation Versus Lateral Locked Plating for Distal Femur Fractures: A Multicenter Experience. J Orthop Trauma. 2023 11 01; 37(11):562-567. Shi BY, Brodke DJ, O'Hara N, Devana S, Hernandez A, Burke C, Gupta J, McKibben N, O'Toole R, Morellato J, Gillon H, Walters M, Barber C, Perdue P, Dekeyser G, Steffenson L, Marchand L, Shymon S, Fairres MJ, Black L, Working Z, Roddy E, El Naga A, Hogue M, Gulbrandsen T, Atassi O, Mitchell T, Lee C. PMID: 37828687.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    11. Thoracic costotransversectomy characteristics and 90-day complications vary based on underlying diagnosis. J Neurosurg Spine. 2023 12 01; 39(6):831-838. El Naga AN, Gendelberg D, Tavolaro C, Zhou H, Bellabarba C, Bransford RJ. PMID: 37724834.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    12. Degenerative lumbar spondylolisthesis: review of current classifications and proposal of a novel classification system. Eur Spine J. 2024 May; 33(5):1762-1772. Rangwalla K, Filley A, El Naga A, Gendelberg D, Baldwin A, Maziad A, Arora A, Wague A, O'Donnell J, Chryssikos T, Kasir R, Shah J, Theologis A, Tan L, Mummaneni P, Alamin T, Berven SH. PMID: 37543967.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    13. Acetabular fracture pattern is altered by pre-injury sacroiliac joint autofusion. Eur J Orthop Surg Traumatol. 2024 Oct; 34(7):3423-3430. Zusman NL, Woelber E, McKibben NS, Gallacher DM, Thompson AR, Friess DM, El Naga AN, Working ZM. PMID: 37300591.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    14. Impact of social determinants of health on perioperative opioid utilization in patients with lumbar degeneration. N Am Spine Soc J. 2023 Jun; 14:100221. Wague A, O'Donnell JM, Rangwalla K, El Naga AN, Gendelberg D, Berven S. PMID: 37214265; PMCID: PMC10196848.
      View in: PubMed   Mentions:
    15. Risk Factors for Reoperation to Promote Union in 1111 Distal Femur Fractures. J Orthop Trauma. 2023 04 01; 37(4):168-174. Lee C, Brodke D, O'Hara N, Devana S, Hernandez A, Burke C, Gupta J, McKibben N, O'Toole R, Morellato J, Gillon H, Walters M, Barber C, Perdue P, Dekeyser G, Steffenson L, Marchand L, Fairres MJ, Black L, Working Z, Roddy E, El Naga A, Hogue M, Gulbrandsen T, Atassi O, Mitchell T, Shymon S. PMID: 36379069.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    16. Predictors of Deep Infection After Distal Femur Fracture: A Multicenter Study. J Orthop Trauma. 2023 04 01; 37(4):161-167. Brodke D, O'Hara N, Devana S, Hernandez A, Burke C, Gupta J, McKibben N, O'Toole R, Morellato J, Gillon H, Walters M, Barber C, Perdue P, Dekeyser G, Steffenson L, Marchand L, Fairres MJ, Black L, Working Z, Roddy E, El Naga A, Hogue M, Gulbrandsen T, Atassi O, Mitchell T, Shymon S, Lee C. PMID: 36302354.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    17. Reliability of Modified Radiographic Union Score for Tibia Scores in the Evaluation of Femoral Shaft Fractures in a Low-resource Setting. J Am Acad Orthop Surg Glob Res Rev. 2022 05 01; 6(5). Urva M, Challa ST, Haonga BT, Eliezer E, Working ZM, El Naga A, Morshed S, Shearer DW. PMID: 35605095; PMCID: PMC9126518.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    18. Appendicular Fracture and Polytrauma Correlate with Outcome of Spinal Cord Injury: A Transforming Research and Clinical Knowledge in Spinal Cord Injury Study. J Neurotrauma. 2022 08; 39(15-16):1030-1038. Miclau TA, Torres-Espin A, Morshed S, Morioka K, Huie JR, El Naga AN, Chou A, Pascual L, Duong-Fernandez X, Kuo YH, Weinstein P, Dhall SS, Bresnahan JC, Beattie MS, Digiorgio A, Ferguson AR, Transforming Research and Clinical Knowledge in Spinal Cord Injury (TRACK-SCI) Investigators. PMID: 35255740; PMCID: PMC9536347.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. Single versus dual operative spine fractures in ankylosing spondylitis. Neurosurg Focus. 2021 10; 51(4):E6. Lu AY, Blitstein JS, Talbott JF, Chan AK, Dhall SS, El Naga AN, Tan LA, Clark AJ, Chou D, Mummaneni PV, DiGiorgio AM. PMID: 34598123.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    20. Accuracy of institutional orthopedic trauma databases: a retrospective chart review. J Orthop Surg Res. 2021 Jun 07; 16(1):363. Chopra A, Cortez AC, El Naga A, Ding A, Morshed S. PMID: 34098974; PMCID: PMC8182920.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    21. Incidence and degrees of neurologic decline following thoracic costotransversectomy. Spine J. 2021 06; 21(6):937-944. Naga ANE, Tavolaro C, Agel J, Zhou H, Bellabarba C, Bransford RJ. PMID: 33453386.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    22. Management of Pelvic Ring Injury Patients With Hemodynamic Instability. Front Surg. 2020; 7:588845. Marmor M, El Naga AN, Barker J, Matz J, Stergiadou S, Miclau T. PMID: 33282907; PMCID: PMC7688898.
      View in: PubMed   Mentions: 11  
    23. TightRope Versus Biocomposite Interference Screw for Fixation in Allograft ACL Reconstruction: Prospective Evaluation of Osseous Integration and Patient Outcomes. JB JS Open Access. 2020 Apr-Jun; 5(2):e0057. Yari SS, El Naga AN, Patel A, Qadeer AA, Shah A. PMID: 33123662; PMCID: PMC7418916.
      View in: PubMed   Mentions: 7  
    24. Measurement of midshaft clavicle vertical displacement is not influenced by radiographic projection. JSES Int. 2020 Jun; 4(2):251-255. Hoogervorst P, Chopra A, Working ZM, El Naga AN, Verdonschot N, Hannink G. PMID: 32490411; PMCID: PMC7256810.
      View in: PubMed   Mentions: 2  
    25. Reliability of the Dorsal Tangential View in Assessment of Distal Radioulnar Joint Reduction in the Neutral, Pronated, and Supinated Positions in a Cadaver Model. J Hand Surg Am. 2020 Apr; 45(4):359.e1-359.e8. El Naga AN, Jordan ME, Netscher DT, Adams BD, Mitchell SA. PMID: 31537400.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    26. Increased litigation burden among tibia, pelvis, and spine fractures: An analysis of 756 fracture-related malpractice cases. OTA Int. 2019 Sep; 2(3):e025. Working ZM, El Naga AN, Slocum J, Tucker A, Hoogervorst P, Marmor MT. PMID: 33937654; PMCID: PMC7953554.
      View in: PubMed   Mentions:
    27. A Biomechanical Comparison of Fiberglass Casts and 3-Dimensional-Printed, Open-Latticed, Ventilated Casts. Hand (N Y). 2020 11; 15(6):842-849. Hoogervorst P, Knox R, Tanaka K, Working ZM, El Naga AN, Herfat S, Lee N. PMID: 30813805; PMCID: PMC7850261.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    28. Effect of initial emergency room imaging choice on time to hip reduction and repeat imaging. Injury. 2019 Mar; 50(3):686-689. Walker MR, El Naga AN, Atassi OH, Perkins CH, Mitchell SA. PMID: 30712754.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    29. Current Status of Musculoskeletal Trauma Care Systems Worldwide. J Orthop Trauma. 2018 Oct; 32 Suppl 7:S64-S70. Miclau T, Hoogervorst P, Shearer DW, El Naga AN, Working ZM, Martin C, Pesántez R, Hüttl T, Kojima KE, Schütz M, International Orthopaedic Trauma Study Consortium. PMID: 30247404.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    30. In Vivo CT Analysis of Physiological Fibular Motion at the Level of the Ankle Syndesmosis During Plantigrade Weightbearing. Foot Ankle Spec. 2019 Jun; 12(3):233-237. Hoogervorst P, Working ZM, El Naga AN, Marmor M. PMID: 29923758.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    31. All Internal Segmental Bone Transport and Optional Lengthening With a Newly Developed Universal Cylinder-Kombi-Tube Module for Motorized Nails-Description of a Surgical Technique. J Orthop Trauma. 2017 Oct; 31 Suppl 5:S39-S41. Krettek C, El Naga A. PMID: 28938391.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
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