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Erik Hansen, MD

TitleAssistant Professor
SchoolUCSF School of Medicine
DepartmentOrthopaedic Surgery
Address500 Parnassus Avenue, MU
San Francisco CA 94143
Phone415-353-2508
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    Collapse Biography 
    Collapse Education and Training
    Stanford UniversityBA 1998Human Biology
    University of California, San FranciscoM.D.2005 Medicine
    University of California, San FranciscoOrthopaedic Residency2011Orthopaedic Surgery
    Rothman Institute, Thomas Jefferson UniversityClinical Fellowship2012Adult Reconstruction
    Collapse Awards and Honors
    2017Mark Coventry, MD, Award
    201614th Annual James A Rand Young Investigators Award
    2011Chitranjan Ranawat Award
    20097th Annual James A Rand Young Investigators Award

    Collapse Overview 
    Collapse Overview
    Dr. Erik N. Hansen is an Assistant Professor of Clinical Orthopaedic Surgery in the Arthroplasty Division at UCSF and serves as the clinical fellowship director. His clinical and academic interests revolve around primary total joint arthroplasty, including the direct anterior approach to hip replacement surgery, as well as complex revision surgery.

    Apart from his clinical practice, Dr. Hansen has a strong commitment to clinical research dating back to his medical school education. At that time, he took an additional year off to work in an orthopaedic basic science laboratory to understand the fundamentals of fracture healing. In residency, he was selected from his class to do an extra year of research, during which time he worked on several clinical projects focused on total joint replacement, orthopaedic trauma, and medical education. Over the past several years, multiple projects which he has collaborated on have been recognized for prestigious national awards, including the James A. Rand Young Investigator Award, the Mark Coventry Award, and the Chitranjan Ranawat Award. He currently serves as the UCSF lead investigator collaborating with several other major academic institutions on multicenter, prospective randomized clinical trials focused on improving outcomes following revision joint replacement surgery.

    Dr. Hansen completed his undergraduate education in Human Biology at Stanford University. Following this time, he spent a year in Mainland China studying acupuncture and Traditional Chinese Medicine as well as an additional year in Mexico volunteering in a hospital. As a result of these experiences, he is proficient in both Mandarin Chinese as well as Spanish in the clinical setting. He then matriculated at the University of California, San Francisco medical school, than continued on at UCSF for completion of his orthopaedic surgery residency training. Dr. Hansen then went to the prestigious Rothman Institute at Thomas Jefferson University Hospital in Philadelphia for an Adult Reconstruction fellowship. He was hired back to UCSF the year after, and is beginning his 5th year of practice.


    Collapse ORNG Applications 
    Collapse Clinical Trials

    Collapse Bibliographic 
    Collapse 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.
    List All   |   Timeline
    1. Barry JJ, Thielen Z, Sing DC, Yi PH, Hansen EN, Ries M. Length of Endoprosthetic Reconstruction in Revision Knee Arthroplasty Is Associated With Complications and Reoperations. Clin Orthop Relat Res. 2017 Jan; 475(1):72-79. PMID: 27093862.
      View in: PubMed
    2. Frank JM, Kayupov E, Moric M, Segreti J, Hansen E, Hartman C, Okroj K, Belden K, Roslund B, Silibovsky R, Parvizi J, Della Valle CJ. The Mark Coventry, MD, Award: Oral Antibiotics Reduce Reinfection After Two-Stage Exchange: A Multicenter, Randomized Controlled Trial. Clin Orthop Relat Res. 2017 Jan; 475(1):56-61. PMID: 27387759.
      View in: PubMed
    3. Barry JJ, Yucekul A, Theologis AA, Hansen EN, Ames C, Deviren V. Spinal Realignment for Adult Deformity: Three-column Osteotomies Alter Total Hip Acetabular Component Positioning. J Am Acad Orthop Surg. 2016 Dec 28. PMID: 28033151.
      View in: PubMed
    4. Weick JW, Kang H, Lee L, Kuether J, Liu X, Hansen EN, Kandemir U, Rollins MD, Mok JM. Direct Measurement of Tissue Oxygenation as a Method of Diagnosis of Acute Compartment Syndrome. J Orthop Trauma. 2016 Nov; 30(11):585-591. PMID: 27392158.
      View in: PubMed
    5. Nishio S, Fukunishi S, Yoshiya S, Sing DC, Hansen EN, Vail TP. Comparison of Complications Following Revision of Metal-on-Metal Versus Metal-on-Polyethylene Total Hip Arthroplasty. Orthopedics. 2016 Oct 25; 1-6. PMID: 27783837.
      View in: PubMed
    6. Lansdown DA, Whitaker A, Wustrack R, Sawyer A, Hansen EN. A Resident-led Initiative Improves Screening and Treatment for Vitamin D Deficiency in Patients with Hip Fractures. Clin Orthop Relat Res. 2016 Aug 22. PMID: 27549989.
      View in: PubMed
    7. Barry JJ, Sing DC, Vail TP, Hansen EN. Early Outcomes of Primary Total Hip Arthroplasty After Prior Lumbar Spinal Fusion. J Arthroplasty. 2016 Aug 08. PMID: 27578537.
      View in: PubMed
    8. Sing DC, Barry JJ, Cheah JW, Vail TP, Hansen EN. Long-Acting Opioid Use Independently Predicts Perioperative Complication in Total Joint Arthroplasty. J Arthroplasty. 2016 Sep; 31(9 Suppl):170-174.e1. PMID: 27451080.
      View in: PubMed
    9. Sing DC, Barry JJ, Aguilar TU, Theologis AA, Patterson JT, Tay BK, Vail TP, Hansen EN. Prior Lumbar Spinal Arthrodesis Increases Risk of Prosthetic-Related Complication in Total Hip Arthroplasty. J Arthroplasty. 2016 Sep; 31(9 Suppl):227-232.e1. PMID: 27444852.
      View in: PubMed
    10. Kazarian GS, Tarity TD, Hansen EN, Cai J, Lonner JH. Significant Functional Improvement at 2 Years After Isolated Patellofemoral Arthroplasty With an Onlay Trochlear Implant, But Low Mental Health Scores Predispose to Dissatisfaction. J Arthroplasty. 2016 Feb; 31(2):389-94. PMID: 26483259.
      View in: PubMed
    11. Wong K, Mohan R, Yi PH, Hansen EN. Evaluating patient education material regarding unicompartmental knee arthroplasty. Knee. 2016 Jan; 23(1):157-61. PMID: 26051484.
      View in: PubMed
    12. Alijanipour P, Adeli B, Hansen EN, Chen AF, Parvizi J. Intraoperative Purulence Is Not Reliable for Diagnosing Periprosthetic Joint Infection. J Arthroplasty. 2015 Aug; 30(8):1403-6. PMID: 25817184.
      View in: PubMed
    13. Mohan R, Yi PH, Hansen EN. Evaluating online information regarding the direct anterior approach for total hip arthroplasty. J Arthroplasty. 2015 May; 30(5):803-7. PMID: 25697892.
      View in: PubMed
    14. Yi PH, Haughom BD, Hansen EN. Comment on "perioperative administration of selective cyclooxygenase-2 inhibitors for postoperative pain management in patients after total knee arthroplasty". J Arthroplasty. 2015 Apr; 30(4):718. PMID: 25468782.
      View in: PubMed
    15. Hansen E, Belden K, Silibovsky R, Vogt M, Arnold W, Bicanic G, Bini S, Catani F, Chen J, Ghazavi M, Godefroy KM, Holham P, Hosseinzadeh H, Kim KI, Kirketerp-Møller K, Lidgren L, Lin JH, Lonner JH, Moore CC, Papagelopoulos P, Poultsides L, Randall RL, Roslund B, Saleh K, Salmon JV, Schwarz E, Stuyck J, Dahl AW, Yamada K. Perioperative antibiotics. J Orthop Res. 2014 Jan; 32 Suppl 1:S31-59. PMID: 24464896.
      View in: PubMed
    16. Hansen E, Belden K, Silibovsky R, Vogt M, Arnold WV, Bicanic G, Bini SA, Catani F, Chen J, Ghazavi MT, Godefroy KM, Holham P, Hosseinzadeh H, Kim KI, Kirketerp-Møller K, Lidgren L, Lin JH, Lonner JH, Moore CC, Papagelopoulos P, Poultsides L, Randall RL, Roslund B, Saleh K, Salmon JV, Schwarz EM, Stuyck J, Dahl AW, Yamada K. Perioperative antibiotics. J Arthroplasty. 2014 Feb; 29(2 Suppl):29-48. PMID: 24355256.
      View in: PubMed
    17. Hansen EN, Adeli B, Kenyon R, Parvizi J. Routine use of antibiotic laden bone cement for primary total knee arthroplasty: impact on infecting microbial patterns and resistance profiles. J Arthroplasty. 2014 Jun; 29(6):1123-7. PMID: 24418770.
      View in: PubMed
    18. Hansen E, Durinka JB, Costanzo JA, Austin MS, Deirmengian GK. Negative pressure wound therapy is associated with resolution of incisional drainage in most wounds after hip arthroplasty. Clin Orthop Relat Res. 2013 Oct; 471(10):3230-6. PMID: 23539123; PMCID: PMC3773159.
    19. Hansen E, Tetreault M, Zmistowski B, Della Valle CJ, Parvizi J, Haddad FS, Hozack WJ. Outcome of one-stage cementless exchange for acute postoperative periprosthetic hip infection. Clin Orthop Relat Res. 2013 Oct; 471(10):3214-22. PMID: 23775569; PMCID: PMC3773120.
    20. Knops SP, Kohn MA, Hansen EN, Matityahu A, Marmor M. Rotational malreduction of the syndesmosis: reliability and accuracy of computed tomography measurement methods. Foot Ankle Int. 2013 Oct; 34(10):1403-10. PMID: 23667049.
      View in: PubMed
    21. Hansen EN, Manzano G, Kandemir U, Mok JM. Comparison of tissue oxygenation and compartment pressure following tibia fracture. Injury. 2013 Aug; 44(8):1076-80. PMID: 23265784.
      View in: PubMed
    22. Hansen E, Marmor M, Matityahu A. Impact of a three-dimensional "hands-on" anatomic teaching module on acetabular fracture pattern recognition by orthopaedic residents. J Bone Joint Surg Am. 2012 Dec 5; 94(23):e1771-7. PMID: 23224397.
      View in: PubMed
    23. Hansen EN, Zmistowski B, Parvizi J. Periprosthetic joint infection: what is on the horizon? Int J Artif Organs. 2012 Oct; 35(10):935-50. PMID: 23371923.
      View in: PubMed
    24. Marmor M, Hansen E, Han HK, Buckley J, Matityahu A. Limitations of standard fluoroscopy in detecting rotational malreduction of the syndesmosis in an ankle fracture model. Foot Ankle Int. 2011 Jun; 32(6):616-22. PMID: 21733425.
      View in: PubMed
    25. Odum SM, Fehring TK, Lombardi AV, Zmistowski BM, Brown NM, Luna JT, Fehring KA, Hansen EN. Irrigation and debridement for periprosthetic infections: does the organism matter? J Arthroplasty. 2011 Sep; 26(6 Suppl):114-8. PMID: 21621955.
      View in: PubMed
    26. Hansen E, Shearer D, Ries MD. Does a cemented cage improve revision THA for severe acetabular defects? Clin Orthop Relat Res. 2011 Feb; 469(2):494-502. PMID: 20857251; PMCID: PMC3018232.
    27. Sherrell JC, Fehring TK, Odum S, Hansen E, Zmistowski B, Dennos A, Kalore N. The Chitranjan Ranawat Award: fate of two-stage reimplantation after failed irrigation and débridement for periprosthetic knee infection. Clin Orthop Relat Res. 2011 Jan; 469(1):18-25. PMID: 20582495; PMCID: PMC3008884.
    28. Lieu S, Hansen E, Dedini R, Behonick D, Werb Z, Miclau T, Marcucio R, Colnot C. Impaired remodeling phase of fracture repair in the absence of matrix metalloproteinase-2. Dis Model Mech. 2011 Mar; 4(2):203-11. PMID: 21135056; PMCID: PMC3046093.
    29. Parvizi J, Pawasarat IM, Azzam KA, Joshi A, Hansen EN, Bozic KJ. Periprosthetic joint infection: the economic impact of methicillin-resistant infections. J Arthroplasty. 2010 Sep; 25(6 Suppl):103-7. PMID: 20570103.
      View in: PubMed
    30. Ward DT, Hansen EN, Takemoto SK, Bozic KJ. Cost and effectiveness of postoperative fever diagnostic evaluation in total joint arthroplasty patients. J Arthroplasty. 2010 Sep; 25(6 Suppl):43-8. PMID: 20452174.
      View in: PubMed
    31. Hansen E, Bozic KJ. The impact of disruptive innovations in orthopaedics. Clin Orthop Relat Res. 2009 Oct; 467(10):2512-20. PMID: 19415405; PMCID: PMC2745460.
    32. Lu C, Hansen E, Sapozhnikova A, Hu D, Miclau T, Marcucio RS. Effect of age on vascularization during fracture repair. J Orthop Res. 2008 Oct; 26(10):1384-9. PMID: 18464248; PMCID: PMC2846969.
    33. Bozic KJ, Hansen E. The economics of minimally invasive total knee arthroplasty. J Knee Surg. 2006 Apr; 19(2):149-52. PMID: 16642895.
      View in: PubMed
    34. Hansen E, Ries MD. Revision total hip arthroplasty for large medial (protrusio) defects with a rim-fit cementless acetabular component. J Arthroplasty. 2006 Jan; 21(1):72-9. PMID: 16446188.
      View in: PubMed
    35. Labovitch RS, Bozic KJ, Hansen E. An evaluation of information available on the internet regarding minimally invasive hip arthroplasty. J Arthroplasty. 2006 Jan; 21(1):1-5. PMID: 16446178.
      View in: PubMed
    36. Lu C, Miclau T, Hu D, Hansen E, Tsui K, Puttlitz C, Marcucio RS. Cellular basis for age-related changes in fracture repair. J Orthop Res. 2005 Nov; 23(6):1300-7. PMID: 15936915; PMCID: PMC2844440.
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