Alexander Bryant Christ, MD

Title(s)Assistant Professor of Clinical Orthopaedic Surgery
SchoolKeck School of Medicine of Usc
AddressHC2 - 1520 San Pablo Street, #2000
Health Sciences Campus
Los Angeles CA 90033
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    Los Angeles Magazine2022Southern California Rising Start

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    Alexander B. Christ, MD, is an orthopaedic oncologist who specializes in the treatment of both benign and malignant tumors, as well as related conditions of the musculoskeletal system. He has a special interest in limb salvage and reconstructive techniques following treatment of bone tumors.

    His philosophy is to first help patients understand their disease and treatment options. Dr. Christ prioritizes each patient’s goals and needs in order to develop an effective multidisciplinary treatment plan aimed at giving the best outcome possible. When surgery is required, he strives to maximize function and mobility while accomplishing the primary goal of curing the cancer.

    Dr. Christ is passionate about scientific research that can improve the lives of patients with musculoskeletal tumors, and he has published on a wide variety of related subjects in peer reviewed journals. Specifically, he is interested in sarcoma genetics, drug delivery, and advanced reconstructive techniques after tumor removal.

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    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. Elective Inpatient Total Joint Arthroplasty Case Volume in the United States in 2020: Effects of the COVID-19 Pandemic. J Bone Joint Surg Am. 2022 Mar 11. Heckmann ND, Bouz GJ, Piple AS, Chung BC, Wang JC, Mayfield CK, Stambough JB, Oakes DA, Christ AB, Lieberman JR. PMID: 35275853.
      View in: PubMed   Mentions:
    2. Modern Proximal Femoral Replacement in Revision Total Hip Arthroplasty for Nononcologic Indications. J Arthroplasty. 2022 Feb 18. Heckmann ND, Nakata HL, Chung BC, Baker JR, Longjohn DB, Christ AB, Oakes DA. PMID: 35189288.
      View in: PubMed   Mentions:
    3. Impact of Patient and Tumor Characteristics on Range of Motion and Recurrence Following Treatment of Enchondromas of the Hand. J Hand Surg Am. 2022 Jan 31. Wessel LE, Christ AB, Athanasian EA. PMID: 35115192.
      View in: PubMed   Mentions:
    4. Midterm Survivorship of Robotic-Assisted Lateral Unicompartmental Knee Arthroplasty. J Arthroplasty. 2022 Jan 19. Heckmann ND, Antonios JK, Chen XT, Kang HP, Chung BC, Piple AS, Christ AB, Gilbert PK. PMID: 35065214.
      View in: PubMed   Mentions:
    5. Industry Payment Trends to Orthopaedic Surgeons From 2014 to 2018: An Analysis of the First 5 Years of the Open Payments Database. J Am Acad Orthop Surg. 2022 Jan 15; 30(2):e191-e198. Heckmann ND, Mayfield CK, Chung BC, Christ AB, Lieberman JR. PMID: 34967798.
      View in: PubMed   Mentions:
    6. Periacetabular reconstruction following limb-salvage surgery for pelvic sarcomas. J Bone Oncol. 2021 Dec; 31:100396. Fujiwara T, Ogura K, Christ A, Bartelstein M, Kenan S, Fabbri N, Healey J. PMID: 34786331; PMCID: PMC8577502.
      View in: PubMed   Mentions:
    7. Dose-Dependent Early Postoperative Opioid Use Is Associated with Periprosthetic Joint Infection and Other Complications in Primary TJA. J Bone Joint Surg Am. 2021 08 18; 103(16):1531-1542. Chung BC, Bouz GJ, Mayfield CK, Nakata H, Christ AB, Oakes DA, Lieberman JR, Heckmann ND. PMID: 34043598.
      View in: PubMed   Mentions:    Fields:    
    8. Patient Perception Regarding the Safety of Elective Joint Arthroplasty Surgery During the COVID-19 Pandemic. Arthroplast Today. 2021 Oct; 11:113-121. Chen XT, Chung BC, Jones IA, Christ AB, Oakes DA, Gilbert PK, Longjohn DB, Lieberman JR, Heckmann ND. PMID: 34493982; PMCID: PMC8414990.
      View in: PubMed   Mentions:
    9. Computer-Assisted Surgical Navigation for Primary and Metastatic Bone Malignancy of the Pelvis: Current Evidence and Future Directions. HSS J. 2021 Oct; 17(3):344-350. Christ AB, Hansen DG, Healey JH, Fabbri N. PMID: 34539276; PMCID: PMC8436340.
      View in: PubMed   Mentions:
    10. Cemented Vs Cementless Femoral Fixation for Total Hip Arthroplasty After Displaced Femoral Neck Fracture: A Nationwide Analysis of Short-Term Complications and Readmission Rates. J Arthroplasty. 2021 Nov; 36(11):3667-3675.e4. Heckmann ND, Chen XT, Ballatori AM, Ton A, Shahrestani S, Chung BC, Christ AB. PMID: 34275708.
      View in: PubMed   Mentions:    Fields:    
    11. Compliant Compression Reconstruction of the Proximal Femur Is Durable Despite Minimal Bone Formation in the Compression Segment. Clin Orthop Relat Res. 2021 Jul 01; 479(7):1577-1585. Christ AB, Fujiwara T, Fabbri N, Healey JH. PMID: 33595932; PMCID: PMC8208447.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    12. Limb Length Discrepancy in Total Hip Arthroplasty: Is the Lesser Trochanter a Reliable Measure of Leg Length? J Arthroplasty. 2021 Oct; 36(10):3593-3600. Gallo MC, Chung BC, Tucker DW, Piple AS, Christ AB, Lieberman JR, Heckmann ND. PMID: 34183211.
      View in: PubMed   Mentions:    Fields:    
    13. CSF1/CSF1R Signaling Inhibitor Pexidartinib (PLX3397) Reprograms Tumor-Associated Macrophages and Stimulates T-cell Infiltration in the Sarcoma Microenvironment. Mol Cancer Ther. 2021 08; 20(8):1388-1399. Fujiwara T, Yakoub MA, Chandler A, Christ AB, Yang G, Ouerfelli O, Rajasekhar VK, Yoshida A, Kondo H, Hata T, Tazawa H, Dogan Y, Moore MAS, Fujiwara T, Ozaki T, Purdue E, Healey JH. PMID: 34088832.
      View in: PubMed   Mentions: 1     Fields:    
    14. Distal femoral replacement - Cemented or cementless? Current concepts and review of the literature. J Clin Orthop Trauma. 2021 Aug; 19:11-16. Christ AB, Hornicek FJ, Fabbri N. PMID: 34040980; PMCID: PMC8138588.
      View in: PubMed   Mentions:
    15. Postradiation Fractures after Combined Modality Treatment in Extremity Soft Tissue Sarcomas. Sarcoma. 2021; 2021:8877567. Bartelstein MK, Yerramilli D, Christ AB, Kenan S, Ogura K, Fujiwara T, Fabbri N, Healey JH. PMID: 33790687; PMCID: PMC7984930.
      View in: PubMed   Mentions: 1  
    16. Periprosthetic Femur Fractures After Total Hip Arthroplasty: Does the Mode of Failure Correlate With Classification? J Arthroplasty. 2021 07; 36(7):2597-2602. Gausden EB, Beiene ZA, Blevins JL, Christ AB, Chalmers BP, Helfet DL, Sculco PK, Mayman DJ. PMID: 33714632.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    17. Interlocking reconstruction-mode stem-sideplates preserve at-risk hips with short residual proximal femora. Bone Joint J. 2021 Feb; 103-B(2):398-404. Christ AB, Fujiwara T, Yakoub MA, Healey JH. PMID: 33517739; PMCID: PMC7926295.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    18. The critical difference in the DASH (Disabilities of the Arm, Shoulder, and Hand) outcome measure after essential upper extremity tumor surgery. J Shoulder Elbow Surg. 2021 Sep; 30(9):e602-e609. Ogura K, Yakoub MA, Christ AB, Fujiwara T, Nikolic Z, Boland PJ, Athanasian EA, Healey JH. PMID: 33484830; PMCID: PMC8289920.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. What Are the Minimum Clinically Important Differences in SF-36 Scores in Patients with Orthopaedic Oncologic Conditions? Clin Orthop Relat Res. 2020 09; 478(9):2148-2158. Ogura K, Yakoub MA, Christ AB, Fujiwara T, Nikolic Z, Boland PJ, Healey JH. PMID: 32568896; PMCID: PMC7431256.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    20. Response to Letter to the Editor on "Prospective Evaluation of the Posterior Tissue Envelope and Anterior Capsule After Anterior Total Hip Arthroplasty". J Arthroplasty. 2020 10; 35(10):3063-3064. McLawhorn AS, Christ AB, Morgenstern R, Burge A, Alexiades MM, Su EP. PMID: 32703710.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. Prospective Evaluation of the Posterior Tissue Envelope and Anterior Capsule After Anterior Total Hip Arthroplasty. J Arthroplasty. 2020 03; 35(3):767-773. McLawhorn AS, Christ AB, Morgenstern R, Burge AJ, Alexiades MM, Su EP. PMID: 31679976.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    22. Letter to the Editor on "A Meta-Analysis of Outcomes in Total Hip Arthroplasty Recipients Following Pelvic Irradiation". J Arthroplasty. 2020 03; 35(3):907-908. Christ AB, Healey JH, Fabbri N. PMID: 31606292.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    23. Outcomes and complications following non-oncologic total femoral replacement. Hip Int. 2020 Nov; 30(6):725-730. Christ AB, Mendez L, Gausden EB, Blevins JL, Bostrom MP, Sculco PK. PMID: 31317783.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    24. Osteointegration in Compliant Self-Adjusting Compression Fixation Shown by Backscatter Electron Microscopy: A Case Report. HSS J. 2019 Oct; 15(3):302-306. Christ AB, Baral E, Wright TM, Healey JH. PMID: 31624487; PMCID: PMC6778166.
      View in: PubMed   Mentions:
    25. Incidence and Risk Factors for Peripheral Nerve Injury After 383,000 Total Knee Arthroplasties Using a New York State Database (SPARCS). J Arthroplasty. 2019 Oct; 34(10):2473-2478. Christ AB, Chiu YF, Joseph A, Westrich GH, Lyman S. PMID: 31160151.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    26. Risk Factors for Peripheral Nerve Injury After 207,000 Total Hip Arthroplasties Using a New York State Database (Statewide Planning and Research Cooperative System). J Arthroplasty. 2019 Aug; 34(8):1787-1792. Christ AB, Chiu YF, Joseph A, Westrich GH, Lyman S. PMID: 30992240.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. Return to the operating room after patellofemoral arthroplasty versus total knee arthroplasty for isolated patellofemoral arthritis-a systematic review. Int Orthop. 2019 07; 43(7):1611-1620. Woon CYL, Christ AB, Goto R, Shanaghan K, Shubin Stein BE, Gonzalez Della Valle A. PMID: 30617612.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    28. Radiographic and Clinical Outcomes of Periprosthetic Distal Femur Fractures Treated With Open Reduction Internal Fixation. J Orthop Trauma. 2018 10; 32(10):515-520. Christ AB, Chawla H, Gausden EB, Villa JC, Wellman DS, Lorich DG, Helfet DL. PMID: 30247279.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    29. Minimal Increase in Total Hip Arthroplasty Surgical Procedural Time with the Use of a Novel Surgical Navigation Tool. Open Orthop J. 2018; 12:389-395. Christ A, Ponzio D, Pitta M, Carroll K, Muir JM, Sculco PK. PMID: 30416609; PMCID: PMC6187742.
      View in: PubMed   Mentions: 4  
    30. Advances in Patellofemoral Arthroplasty. Curr Rev Musculoskelet Med. 2018 Jun; 11(2):221-230. Strickland SM, Bird ML, Christ AB. PMID: 29721690; PMCID: PMC5970112.
      View in: PubMed   Mentions: 6  
    31. Robotic-Assisted Unicompartmental Knee Arthroplasty: State-of-the Art and Review of the Literature. J Arthroplasty. 2018 07; 33(7):1994-2001. Christ AB, Pearle AD, Mayman DJ, Haas SB. PMID: 29555499.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    32. Discharge to Inpatient Rehab Does Not Result in Improved Functional Outcomes Following Primary Total Knee Arthroplasty. J Arthroplasty. 2018 06; 33(6):1663-1667. Padgett DE, Christ AB, Joseph AD, Lee YY, Haas SB, Lyman S. PMID: 29352683.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    33. Support for Safer Opioid Prescribing Practices: A Catalog of Published Use After Orthopaedic Surgery. J Bone Joint Surg Am. 2017 11 15; 99(22):1945-1955. Lovecchio F, Derman P, Stepan J, Iyer S, Christ A, Grimaldi P, Kumar K, Ranawat A, Taylor SA. PMID: 29135671.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    34. Nerve Traction Injury After Subacute Revision External Fixation of a Tibial Plateau Fracture. Orthopedics. 2018 May 01; 41(3):e434-e437. Wessel LE, Christ AB, Helfet D, Wellman DS. PMID: 29120004.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    35. HPMA-Copolymer Nanocarrier Targets Tumor-Associated Macrophages in Primary and Metastatic Breast Cancer. Mol Cancer Ther. 2017 Dec; 16(12):2701-2710. Zimel MN, Horowitz CB, Rajasekhar VK, Christ AB, Wei X, Wu J, Wojnarowicz PM, Wang D, Goldring SR, Purdue PE, Healey JH. PMID: 28830983; PMCID: PMC5847372.
      View in: PubMed   Mentions: 4  Translation:HumansAnimalsCells
    36. Patellofemoral arthroplasty conversion to total knee arthroplasty: Retrieval analysis and clinical correlation. Knee. 2017 Oct; 24(5):1233-1239. Christ AB, Baral E, Koch C, Shubin Stein BE, Gonzalez Della Valle A, Strickland SM. PMID: 28793978.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    37. Tracking Cumulative Radiation Exposure in Orthopaedic Surgeons and Residents: What Dose Are We Getting? J Bone Joint Surg Am. 2017 Aug 02; 99(15):1324-1329. Gausden EB, Christ AB, Zeldin R, Lane JM, McCarthy MM. PMID: 28763418.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansPHPublic Health
    38. Total Knee Arthroplasty for Knee Osteoarthritis: Support for a Foregone Conclusion? HSS J. 2017 Jul; 13(2):207-210. Steinhaus ME, Christ AB, Cross MB. PMID: 28690473; PMCID: PMC5481268.
      View in: PubMed   Mentions: 12  
    39. Annual revision rates of partial versus total knee arthroplasty: A comparative meta-analysis. Knee. 2017 Mar; 24(2):179-190. Chawla H, van der List JP, Christ AB, Sobrero MR, Zuiderbaan HA, Pearle AD. PMID: 27916580.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    40. Rotator Cuff-Sparing Approach for Antegrade Humeral Nailing With Biceps Tenodesis: A Technical Trick With Clinical Implications. J Orthop Trauma. 2017 Feb; 31(2):e60-e65. Christ AB, Gausden EB, Warner SJ, Nellestein AM, Thacher RR, Lorich DG. PMID: 27580320.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    41. Mycobacterium avium Complex Septic Arthritis Presenting as Osteonecrosis of the Femoral Head in a Patient With Systemic Lupus Erythematosus. Orthopedics. 2017 May 01; 40(3):e549-e552. Christ AB, Zininberg EV, Jules-Elysee KM, Parks ML. PMID: 28056158.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    42. The triceps-sparing posterior approach to plating humeral shaft fractures results in a high rate of union and low incidence of complications. Arch Orthop Trauma Surg. 2016 Dec; 136(12):1683-1689. Gausden EB, Christ AB, Warner SJ, Levack A, Nellestein A, Lorich DG. PMID: 27744633.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    43. Direct Repair of the Superior Band of Bigelow's Ligament After Hip Arthroplasty: a Surgical Technique. HSS J. 2016 Jul; 12(2):165-9. Liu J, McLawhorn AS, Christ AB, Dzenis P, Healey JH. PMID: 27385946; PMCID: PMC4916090.
      View in: PubMed   Mentions: 1  
    44. Bilateral Complete Osseous Coalition of the Capitate and Trapezoid. J Wrist Surg. 2016 Aug; 5(3):233-5. Christ AB, Maertens AS, Weiland AJ. PMID: 27468375; PMCID: PMC4959900.
      View in: PubMed   Mentions:
    45. Neuropilin-2 expression is inhibited by secreted Wnt antagonists and its down-regulation is associated with reduced tumor growth and metastasis in osteosarcoma. Mol Cancer. 2015 Apr 17; 14:86. Ji T, Guo Y, Kim K, McQueen P, Ghaffar S, Christ A, Lin C, Eskander R, Zi X, Hoang BH. PMID: 25890345; PMCID: PMC4411772.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansAnimalsCells
    46. Online resources for shoulder instability: what are patients reading? J Bone Joint Surg Am. 2014 Oct 15; 96(20):e177. Garcia GH, Taylor SA, Dy CJ, Christ A, Patel RM, Dines JS. PMID: 25320207.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    47. The increased total cost associated with post-operative drains in total hip and knee arthroplasty. J Arthroplasty. 2014 May; 29(5):895-9. Bjerke-Kroll BT, Sculco PK, McLawhorn AS, Christ AB, Gladnick BP, Mayman DJ. PMID: 24360337.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    48. Periprosthetic joint infections treated with two-stage revision over 14 years: an evolving microbiology profile. J Arthroplasty. 2014 May; 29(5):877-82. Bjerke-Kroll BT, Christ AB, McLawhorn AS, Sculco PK, Jules-Elysée KM, Sculco TP. PMID: 24199997.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    49. Dkk-3, a secreted wnt antagonist, suppresses tumorigenic potential and pulmonary metastasis in osteosarcoma. Sarcoma. 2013; 2013:147541. Lin CH, Guo Y, Ghaffar S, McQueen P, Pourmorady J, Christ A, Rooney K, Ji T, Eskander R, Zi X, Hoang BH. PMID: 23476112; PMCID: PMC3582188.
      View in: PubMed   Mentions: 23  
    50. Flexibility in the site of exon junction complex deposition revealed by functional group and RNA secondary structure alterations in the splicing substrate. RNA. 2008 Dec; 14(12):2657-70. Mishler DM, Christ AB, Steitz JA. PMID: 18952819; PMCID: PMC2590960.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansCells
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