Erik Hansen, MD

Title(s)Professor, Orthopaedic Surgery
SchoolSchool of Medicine
Address500 Parnassus Avenue, #W323
San Francisco CA 94117
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
    University of California, San Francisco, CA2019Diversity, Equity, and Inclusion Champion Training
    Collapse Awards and Honors
    Knee Society2017Mark Coventry, MD, Award
    AAHKS201614th Annual James A Rand Young Investigators Award
    ABJS2011Chitranjan Ranawat Award
    AAHKS20097th Annual James A Rand Young Investigators Award
    UCSF2019James O Johnston, Teaching 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 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. to make corrections and additions.
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    1. High and Low Dosage of Vancomycin in Polymethylmethacrylate Cements: Efficacy and Mechanical Properties. Antibiotics (Basel). 2024 Aug 28; 13(9). Kwong JW, Abramowicz M, Kühn KD, Foelsch C, Hansen EN. PMID: 39334991; PMCID: PMC11428212.
      View in: PubMed   Mentions: 1  
    2. CD4+ CAR T-cell exhaustion associated with early relapse of multiple myeloma after BCMA CAR T-cell therapy. Blood Adv. 2024 07 09; 8(13):3562-3575. Ledergor G, Fan Z, Wu K, McCarthy E, Hyrenius-Wittsten A, Starzinski A, Chang H, Bridge M, Kwek S, Cheung A, Bylsma S, Hansen E, Wolf J, Wong S, Shah N, Roybal KT, Martin T, Ye CJ, Fong L. PMID: 38574299; PMCID: PMC11319832.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCells
    3. Racial Disparities in Treatment and Outcomes of Patients With Hepatitis C Undergoing Elective Total Joint Arthroplasty. J Arthroplasty. 2024 Jul; 39(7):1671-1678. Howie CM, Cichos KH, Shoreibah MG, Jordan EM, Niknam KR, Chen AF, Hansen EN, McGwin GG, Ghanem ES. PMID: 38331360.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Effect of Antibiotic Spacer Dosing on Treatment Success in Two-Stage Exchange for Periprosthetic Joint Infection. J Am Acad Orthop Surg Glob Res Rev. 2024 Feb 01; 8(2). Warwick HS, Tan TL, Rangwalla K, Shau DN, Barry JJ, Hansen EN. PMID: 38385716; PMCID: PMC10883627.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    5. Revision Dual Mobility Constructs With Unmatched Acetabular and Femoral Components Do Not Increase Failure Rate. J Arthroplasty. 2024 Apr; 39(4):1044-1047. Warwick H, Kwong JW, Namiri NK, Kayupov E, Maher P, Hansen EN. PMID: 37914035.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. The Microbiome of Osteoarthritic Hip and Knee Joints: A Prospective Multicenter Investigation. J Bone Joint Surg Am. 2023 May 16. Goswami K, Clarkson S, Tipton C, Phillips CD, Dennis DA, Klatt BA, O'Malley M, Smith EL, Gililland J, Pelt CE, Peters CL, Malkani AL, Palumbo BT, Lyons ST, Bernasek TL, Minter J, Goyal N, Purtill W, McDonald JF, Cross MB, Prieto HA, Lee GC, Hansen EN, Bini SA, Ward DT, Zhao N, Shohat N, Higuera CA, Nam D, Della Valle CJ, Parvizi J, Orthopedic Genomics Workgroup. PMID: 37192280.
      View in: PubMed   Mentions: 4     Fields:    
    7. Child-Pugh Class B or C Liver Disease Increases the Risk of Early Mortality in Patients With Hepatitis C Undergoing Elective Total Joint Arthroplasty Regardless of Treatment Status. Clin Orthop Relat Res. 2023 10 01; 481(10):2016-2025. Cichos KH, Jordan E, Niknam K, Chen AF, Hansen EN, McGwin G, Ghanem ES. PMID: 36961471; PMCID: PMC10499110.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    8. Comparison of Static and Articulating Spacers After Periprosthetic Joint Infection. J Am Acad Orthop Surg Glob Res Rev. 2023 02 01; 7(2). Warwick HS, Tan TL, Weiser L, Shau DN, Barry JJ, Hansen EN. PMID: 36749706; PMCID: PMC9904752.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. Total Joint Arthroplasty Should Not Be Delayed in Hepatitis C Patients After Successful Treatment Achieving a Sustained Viral Load. Arthroplast Today. 2022 Oct; 17:107-113. Cichos KH, Jordan E, Niknam K, Chen AF, Hansen EN, McGwin G, Ghanem ES. PMID: 36082283; PMCID: PMC9445225.
      View in: PubMed   Mentions: 1  
    10. Imaging joint infections using D-methyl-11C-methionine PET/MRI: initial experience in humans. Eur J Nucl Med Mol Imaging. 2022 09; 49(11):3761-3771. Polvoy I, Seo Y, Parker M, Stewart M, Siddiqua K, Manacsa HS, Ravanfar V, Blecha J, Hope TA, Vanbrocklin H, Flavell RR, Barry J, Hansen E, Villanueva-Meyer JE, Engel J, Rosenberg OS, Wilson DM, Ohliger MA. PMID: 35732972; PMCID: PMC9399217.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    11. An Enhanced Understanding of Culture-Negative Periprosthetic Joint Infection with Next-Generation Sequencing: A Multicenter Study. J Bone Joint Surg Am. 2022 09 07; 104(17):1523-1529. Goswami K, Clarkson S, Phillips CD, Dennis DA, Klatt BA, O'Malley MJ, Smith EL, Gililland JM, Pelt CE, Peters CL, Malkani AL, Palumbo BT, Lyons ST, Bernasek TL, Minter J, Goyal N, McDonald JF, Cross MB, Prieto HA, Lee GC, Hansen EN, Bini SA, Ward DT, Shohat N, Higuera CA, Nam D, Della Valle CJ, Parvizi J, Orthopedic Genomics Workgroup. PMID: 35726882.
      View in: PubMed   Mentions: 13     Fields:    Translation:HumansCells
    12. Infection and Mechanical Complications Are Risk Factors for New Diagnosis of a Mental Health Disorder After Total Joint Arthroplasty. Arthroplast Today. 2021 Aug; 10:1-5. Figoni AM, Lalchandani GR, Markes AR, Sing D, Hansen EN. PMID: 34195314; PMCID: PMC8239436.
      View in: PubMed   Mentions: 2  
    13. Continuous Lumbar Plexus Block vs Continuous Lumbar Erector Spinae Plane Block for Postoperative Pain Control After Revision Total Hip Arthroplasty. Arthroplast Today. 2021 Jun; 9:29-34. Chen A, Kolodzie K, Schultz A, Hansen EN, Braehler M. PMID: 33997205; PMCID: PMC8099915.
      View in: PubMed   Mentions: 2  
    14. Tibial Mechanical Axis Is Nonorthogonal to the Floor in Varus Knee Alignment. Arthroplast Today. 2021 Apr; 8:237-242. Bini SA, Chung CC, Wu SA, Hansen EN. PMID: 33937465; PMCID: PMC8079331.
      View in: PubMed   Mentions: 1  
    15. External Validation Demonstrates Limited Clinical Utility of a Preoperative Prognostic Calculator for Periprosthetic Joint Infection. J Arthroplasty. 2021 07; 36(7):2541-2545. Monárrez R, Maltenfort MG, Figoni A, Szapary HJ, Chen AF, Hansen EN, Kheir MM. PMID: 33745800.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    16. The Role of Cannabis in Orthopedic Surgery. SN Comprehensive Clinical Medicine. 2020 Nov 1; 2(11):2360-2367. Sing SD, Tornetta TP, Hansen HE. .
      View in: Publisher Site   Mentions:
    17. 2020 Mark Coventry Award: Microorganism-directed oral antibiotics reduce the rate of failure due to further infection after two-stage revision hip or knee arthroplasty for chronic infection: a multicentre randomized controlled trial at a minimum of two years. Bone Joint J. 2020 Jun; 102-B(6_Supple_A):3-9. Yang J, Parvizi J, Hansen EN, Culvern CN, Segreti JC, Tan T, Hartman CW, Sporer SM, Della Valle CJ, Knee Society Research Group. PMID: 32475278.
      View in: PubMed   Mentions: 25     Fields:    Translation:Humans
    18. A Goal-directed Quality Improvement Initiative to Reduce Opioid Prescriptions After Orthopaedic Procedures. J Am Acad Orthop Surg Glob Res Rev. 2019 Sep; 3(9):e109. Choo KJ, Grace TR, Khanna K, Barry J, Hansen EN. PMID: 31773081; PMCID: PMC6860138.
      View in: PubMed   Mentions: 6     Fields:    
    19. Reporters of TCR signaling identify arthritogenic T cells in murine and human autoimmune arthritis. Proc Natl Acad Sci U S A. 2019 09 10; 116(37):18517-18527. Ashouri JF, Hsu LY, Yu S, Rychkov D, Chen Y, Cheng DA, Sirota M, Hansen E, Lattanza L, Zikherman J, Weiss A. PMID: 31455730; PMCID: PMC6744919.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansAnimalsCells
    20. Unicondylar Knee Arthroplasty Has Fewer Complications but Higher Revision Rates Than Total Knee Arthroplasty in a Study of Large United States Databases. J Arthroplasty. 2019 Aug; 34(8):1617-1625. Hansen EN, Ong KL, Lau E, Kurtz SM, Lonner JH. PMID: 31064725.
      View in: PubMed   Mentions: 44     Fields:    Translation:Humans
    21. Potent Anticoagulation Does Not Reduce Venous Thromboembolism in High-Risk Patients. J Bone Joint Surg Am. 2019 Apr 03; 101(7):589-599. Tan TL, Foltz C, Huang R, Chen AF, Higuera C, Siqueira M, Hansen EN, Sing DC, Parvizi J. PMID: 30946192.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    22. The hip-spine relationship and its effect on total hip arthroplasty outcomes: What do the databases show?. Seminars in Arthroplasty. 2018 Dec 1; 29(4):290-298. Barry BJ, Hansen HE. .
      View in: Publisher Site   Mentions:
    23. Unicondylar Knee Arthroplasty in the U.S. Patient Population: Prevalence and Epidemiology. Am J Orthop (Belle Mead NJ). 2018 Dec; 47(12). Hansen EN, Ong KL, Lau E, Kurtz SM, Lonner JH. PMID: 30650177.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    24. Pediatric Solid Tumors in Resource-Constrained Settings: A Review of Available Evidence on Management, Outcomes, and Barriers to Care. Children (Basel). 2018 Oct 23; 5(11). Carter NH, Avery AH, Libes J, Lovvorn HN, Hansen EN. PMID: 30360527; PMCID: PMC6262277.
      View in: PubMed   Mentions: 5  
    25. Incorporation of a Global Surgery Rotation into an Academic General Surgery Residency Program: Impact and Perceptions. World J Surg. 2018 09; 42(9):2715-2724. LeCompte MT, Goldman C, Tarpley JL, Tarpley M, Hansen EN, Nthumba PM, Terhune KP, Kauffmann RM. PMID: 29541821.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    26. Paediatric and obstetric outcomes at a faith-based hospital during the 100-day public sector physician strike in Kenya. BMJ Glob Health. 2018; 3(2):e000665. Adam MB, Muma S, Modi JA, Steere M, Cook N, Ellis W, Chen CT, Shirk A, Muma Nyagetuba JK, Hansen EN. PMID: 29662693; PMCID: PMC5898292.
      View in: PubMed   Mentions: 22     Fields:    
    27. Does Intrathecal Morphine in Spinal Anesthesia Have a Role in Modern Multimodal Analgesia for Primary Total Joint Arthroplasty? J Arthroplasty. 2018 06; 33(6):1693-1698. Cheah JW, Sing DC, Hansen EN, Aleshi P, Vail TP. PMID: 29433962.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    28. Methylene Blue-Guided Debridement as an Intraoperative Adjunct for the Surgical Treatment of Periprosthetic Joint Infection. J Arthroplasty. 2017 12; 32(12):3718-3723. Shaw JD, Miller S, Plourde A, Shaw DL, Wustrack R, Hansen EN. PMID: 28811108.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    29. Pediatric solid tumors in Africa: different biology? Curr Opin Pediatr. 2017 Jun; 29(3):354-357. Nyagetuba JKM, Hansen EN. PMID: 28319559.
      View in: PubMed   Mentions: 3  Translation:Humans
    30. Preoperative Anemia Independently Predicts 30-Day Complications After Aseptic and Septic Revision Total Joint Arthroplasty. J Arthroplasty. 2017 09; 32(9S):S197-S201. Lu M, Sing DC, Kuo AC, Hansen EN. PMID: 28390884.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    31. The James A. Rand Young Investigator's Award: Administrative Claims vs Surgical Registry: Capturing Outcomes in Total Joint Arthroplasty. J Arthroplasty. 2017 09; 32(9S):S11-S17. Patterson JT, Sing D, Hansen EN, Tay B, Zhang AL. PMID: 28185755.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    32. Spinal Realignment for Adult Deformity: Three-column Osteotomies Alter Total Hip Acetabular Component Positioning. J Am Acad Orthop Surg. 2017 Feb; 25(2):125-132. Barry JJ, Yucekul A, Theologis AA, Hansen EN, Ames C, Deviren V. PMID: 28033151.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    33. Chapter 40 Hip Hemiarthroplasty. Case Competencies in Orthopaedic Surgery. 2017 Jan 1; (J Bone Joint Surg Br7431992):375-383. Yi YP, Hansen HE. .
      View in: Publisher Site   Mentions:
    34. 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. 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, Knee Society Research Group. PMID: 27387759; PMCID: PMC5174034.
      View in: PubMed   Mentions: 30     Fields:    Translation:HumansPHPublic Health
    35. Length of Endoprosthetic Reconstruction in Revision Knee Arthroplasty Is Associated With Complications and Reoperations. Clin Orthop Relat Res. 2017 Jan; 475(1):72-79. Barry JJ, Thielen Z, Sing DC, Yi PH, Hansen EN, Ries M. PMID: 27093862; PMCID: PMC5174028.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    36. Hydrogen Peroxide Wound Irrigation in Orthopaedic Surgery. J Bone Jt Infect. 2017; 2(1):3-9. Lu M, Hansen EN. PMID: 28529858; PMCID: PMC5423573.
      View in: PubMed   Mentions: 24  
    37. Direct Measurement of Tissue Oxygenation as a Method of Diagnosis of Acute Compartment Syndrome. J Orthop Trauma. 2016 Nov; 30(11):585-591. Weick JW, Kang H, Lee L, Kuether J, Liu X, Hansen EN, Kandemir U, Rollins MD, Mok JM. PMID: 27392158.
      View in: PubMed   Mentions: 8     Fields:    Translation:Animals
    38. Comparison of Complications Following Revision of Metal-on-Metal Versus Metal-on-Polyethylene Total Hip Arthroplasty. Orthopedics. 2017 Jan 01; 40(1):e164-e169. Nishio S, Fukunishi S, Yoshiya S, Sing DC, Hansen EN, Vail TP. PMID: 27783837.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    39. A Resident-led Initiative Improves Screening and Treatment for Vitamin D Deficiency in Patients with Hip Fractures. Clin Orthop Relat Res. 2017 Jan; 475(1):264-270. Lansdown DA, Whitaker A, Wustrack R, Sawyer A, Hansen EN. PMID: 27549989; PMCID: PMC5174045.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    40. Early Outcomes of Primary Total Hip Arthroplasty After Prior Lumbar Spinal Fusion. J Arthroplasty. 2017 02; 32(2):470-474. Barry JJ, Sing DC, Vail TP, Hansen EN. PMID: 27578537.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    41. Long-Acting Opioid Use Independently Predicts Perioperative Complication in Total Joint Arthroplasty. J Arthroplasty. 2016 09; 31(9 Suppl):170-174.e1. Sing DC, Barry JJ, Cheah JW, Vail TP, Hansen EN. PMID: 27451080.
      View in: PubMed   Mentions: 44     Fields:    Translation:Humans
    42. Prior Lumbar Spinal Arthrodesis Increases Risk of Prosthetic-Related Complication in Total Hip Arthroplasty. J Arthroplasty. 2016 09; 31(9 Suppl):227-232.e1. Sing DC, Barry JJ, Aguilar TU, Theologis AA, Patterson JT, Tay BK, Vail TP, Hansen EN. PMID: 27444852.
      View in: PubMed   Mentions: 32     Fields:    Translation:Humans
    43. 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. Kazarian GS, Tarity TD, Hansen EN, Cai J, Lonner JH. PMID: 26483259.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    44. Evaluating patient education material regarding unicompartmental knee arthroplasty. Knee. 2016 Jan; 23(1):157-61. Wong K, Mohan R, Yi PH, Hansen EN. PMID: 26051484.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    45. Intraoperative Purulence Is Not Reliable for Diagnosing Periprosthetic Joint Infection. J Arthroplasty. 2015 Aug; 30(8):1403-6. Alijanipour P, Adeli B, Hansen EN, Chen AF, Parvizi J. PMID: 25817184.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    46. Evaluating online information regarding the direct anterior approach for total hip arthroplasty. J Arthroplasty. 2015 May; 30(5):803-7. Mohan R, Yi PH, Hansen EN. PMID: 25697892.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    47. 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. Yi PH, Haughom BD, Hansen EN. PMID: 25468782.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    48. Perioperative antibiotics. J Orthop Res. 2014 Jan; 32 Suppl 1:S31-59. 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. PMID: 24464896.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansAnimals
    49. Perioperative antibiotics. J Arthroplasty. 2014 Feb; 29(2 Suppl):29-48. 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. PMID: 24355256.
      View in: PubMed   Mentions: 17     Fields:    Translation:Humans
    50. 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. Hansen EN, Adeli B, Kenyon R, Parvizi J. PMID: 24418770.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    51. Outcome of one-stage cementless exchange for acute postoperative periprosthetic hip infection. Clin Orthop Relat Res. 2013 Oct; 471(10):3214-22. Hansen E, Tetreault M, Zmistowski B, Della Valle CJ, Parvizi J, Haddad FS, Hozack WJ. PMID: 23775569; PMCID: PMC3773120.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    52. 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. Hansen E, Durinka JB, Costanzo JA, Austin MS, Deirmengian GK. PMID: 23539123; PMCID: PMC3773159.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    53. Rotational malreduction of the syndesmosis: reliability and accuracy of computed tomography measurement methods. Foot Ankle Int. 2013 Oct; 34(10):1403-10. Knops SP, Kohn MA, Hansen EN, Matityahu A, Marmor M. PMID: 23667049.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    54. Comparison of tissue oxygenation and compartment pressure following tibia fracture. Injury. 2013 Aug; 44(8):1076-80. Hansen EN, Manzano G, Kandemir U, Mok JM. PMID: 23265784.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    55. 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 05; 94(23):e1771-7. Hansen E, Marmor M, Matityahu A. PMID: 23224397.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    56. Periprosthetic joint infection: what is on the horizon? Int J Artif Organs. 2012 Oct; 35(10):935-50. Hansen EN, Zmistowski B, Parvizi J. PMID: 23371923.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    57. Diagnosis of Acute Compartment Syndrome. Techniques in Orthopaedics. 2012 Mar 1; 27(1):22-29. Mok MJ, Hansen HE, Kang KH, Kandemir KU. .
      View in: Publisher Site   Mentions:
    58. 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. Marmor M, Hansen E, Han HK, Buckley J, Matityahu A. PMID: 21733425.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    59. Irrigation and debridement for periprosthetic infections: does the organism matter? J Arthroplasty. 2011 Sep; 26(6 Suppl):114-8. Odum SM, Fehring TK, Lombardi AV, Zmistowski BM, Brown NM, Luna JT, Fehring KA, Hansen EN, Periprosthetic Infection Consortium. PMID: 21621955.
      View in: PubMed   Mentions: 48     Fields:    Translation:HumansAnimalsCells
    60. Does a cemented cage improve revision THA for severe acetabular defects? Clin Orthop Relat Res. 2011 Feb; 469(2):494-502. Hansen E, Shearer D, Ries MD. PMID: 20857251; PMCID: PMC3018232.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    61. 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. Sherrell JC, Fehring TK, Odum S, Hansen E, Zmistowski B, Dennos A, Kalore N, Periprosthetic Infection Consortium. PMID: 20582495; PMCID: PMC3008884.
      View in: PubMed   Mentions: 82     Fields:    Translation:Humans
    62. Who should pay for revision total joint arthroplasty?. Current Orthopaedic Practice. 2011 Jan 1; 22(3):224-226. Hansen HE, Bozic BK. .
      View in: Publisher Site   Mentions:
    63. Impaired remodeling phase of fracture repair in the absence of matrix metalloproteinase-2. Dis Model Mech. 2011 Mar; 4(2):203-11. Lieu S, Hansen E, Dedini R, Behonick D, Werb Z, Miclau T, Marcucio R, Colnot C. PMID: 21135056; PMCID: PMC3046093.
      View in: PubMed   Mentions: 29     Fields:    Translation:HumansAnimals
    64. Periprosthetic joint infection: the economic impact of methicillin-resistant infections. J Arthroplasty. 2010 Sep; 25(6 Suppl):103-7. Parvizi J, Pawasarat IM, Azzam KA, Joshi A, Hansen EN, Bozic KJ. PMID: 20570103.
      View in: PubMed   Mentions: 95     Fields:    Translation:HumansCells
    65. Cost and effectiveness of postoperative fever diagnostic evaluation in total joint arthroplasty patients. J Arthroplasty. 2010 Sep; 25(6 Suppl):43-8. Ward DT, Hansen EN, Takemoto SK, Bozic KJ. PMID: 20452174.
      View in: PubMed   Mentions: 19     Fields:    Translation:Humans
    66. Periprosthetic Joint Infection: The Economic Impact of Methicillin Resistant Infections. The Journal of Arthroplasty. 2010 Apr 1; 25(3):e42. Parvizi PJ, Pawasarat PI, Azzam AK, Hansen HE, Bozic BK, Austin AM. .
      View in: Publisher Site   Mentions:
    67. The impact of disruptive innovations in orthopaedics. Clin Orthop Relat Res. 2009 Oct; 467(10):2512-20. Hansen E, Bozic KJ. PMID: 19415405; PMCID: PMC2745460.
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    68. Effect of age on vascularization during fracture repair. J Orthop Res. 2008 Oct; 26(10):1384-9. Lu C, Hansen E, Sapozhnikova A, Hu D, Miclau T, Marcucio RS. PMID: 18464248; PMCID: PMC2846969.
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    69. The economics of minimally invasive total knee arthroplasty. J Knee Surg. 2006 Apr; 19(2):149-52. Bozic KJ, Hansen E. PMID: 16642895.
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    73. Cellular basis for age-related changes in fracture repair. J Orthop Res. 2005 Nov; 23(6):1300-7. Lu C, Miclau T, Hu D, Hansen E, Tsui K, Puttlitz C, Marcucio RS. PMID: 15936915; PMCID: PMC2844440.
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