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Nathanael Heckmann, MD

Title(s)Assistant Professor of Clinical Orthopaedic Surgery
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    Collapse Overview
    Nathanael Heckmann, M.D. is an assistant professor in the Department of Orthopaedic Surgery at the Keck School of Medicine of USC. His clinical focus is on the surgical and non-surgical management of degenerative diseases of the hip and knee, including osteoarthritis, rheumatoid arthritis, and post-traumatic arthritis. His surgical practice focuses on minimally invasive surgery, hip and knee replacement, partial knee replacement, infection management, treatment of failed hip and knee replacement, pain management, and accelerated recovery following hip and knee surgery.

    Dr. Heckmann's research focuses on clinical outcomes following hip and knee arthroplasty with a particular interest in understanding the interrelationship between degenerative diseases of the spine and hip. His research is also focused on healthcare economics, health policy, and understanding the social determinants of surgical outcomes following hip and knee replacement surgery. He has published more than 60 research papers, book chapters, and scholarly reviews.

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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.
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    1. Heckmann N, Hill JR, Vakhshori V, McKnight B, Mostofi A, Davis J, Hatch GR, Marecek G. Increased Pulmonary Complications Associated with Intramedullary Fixation of Intertrochanteric Fractures: An Analysis of 13,276 Hips. J Am Acad Orthop Surg. 2019 Sep 15; 27(18):690-695. PMID: 30676511.
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    2. Sabour AF, Alluri RK, Heckmann N, Heidari KS, Rick Hatch GF, VandenBerg C. A nationwide analysis of failed irrigation and debridement for pediatric septic arthritis of the hip. J Pediatr Orthop B. 2019 Sep; 28(5):470-475. PMID: 30855548.
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    3. Heckmann N, Heidari KS, Jalali O, Weber AE, She R, Omid R, Vangsness CT, Rick Hatch GF. Cutibacterium acnes persists despite topical clindamycin and benzoyl peroxide. J Shoulder Elbow Surg. 2019 Aug 27. PMID: 31471244.
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    4. Munger AM, Heckmann N, McKnight B, Dusch MN, Hatch GF, Omid R. Revisiting the Gender Gap in Orthopaedic Surgery: Investigating the Relationship Between Orthopaedic Surgery Female Faculty and Female Residency Applicants. J Am Acad Orthop Surg. 2019 Apr 15; 27(8):295-300. PMID: 30278014.
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    5. Heckmann ND, Mayfield CK, Culvern CN, Oakes DA, Lieberman JR, Della Valle CJ. Systematic Review and Meta-Analysis of Intrawound Vancomycin in Total Hip and Total Knee Arthroplasty: A Call for a Prospective Randomized Trial. J Arthroplasty. 2019 Aug; 34(8):1815-1822. PMID: 31005433.
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    6. Antonios JK, Korber S, Sivasundaram L, Mayfield C, Kang HP, Oakes DA, Heckmann ND. Trends in computer navigation and robotic assistance for total knee arthroplasty in the United States: an analysis of patient and hospital factors. Arthroplast Today. 2019 Mar; 5(1):88-95. PMID: 31020030.
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    7. Jones IA, Togashi R, Wilson ML, Heckmann N, Vangsness CT. Intra-articular treatment options for knee osteoarthritis. Nat Rev Rheumatol. 2019 Feb; 15(2):77-90. PMID: 30498258.
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    8. Heckmann N, Ihn H, Stefl M, Etkin CD, Springer BD, Berry DJ, Lieberman JR. Early Results From the American Joint Replacement Registry: A Comparison With Other National Registries. J Arthroplasty. 2019 Jul; 34(7S):S125-S134.e1. PMID: 30711371.
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    9. Alluri RK, Sabour A, Heckmann N, Hatch GF, VandenBerg C. Increasing Rate of Surgical Fixation in Four- and Five-year-old Children With Femoral Shaft Fractures. J Am Acad Orthop Surg. 2019 Jan 01; 27(1):e24-e32. PMID: 30180090.
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    10. Cooper JD, Lorenzana DJ, Heckmann N, McKnight B, Mostofi A, Gamradt SC, Rick Hatch GF. The Effect of Obesity on Operative Times and 30-Day Readmissions After Anterior Cruciate Ligament Reconstruction. Arthroscopy. 2019 01; 35(1):121-129. PMID: 30611339.
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    11. Carney J, Heckmann N, Mayer EN, Alluri RK, Vangsness CT, Hatch Iii GF, Weber AE. Should antibiotics be administered before arthroscopic knee surgery? A systematic review of the literature. World J Orthop. 2018 Nov 18; 9(11):262-270. PMID: 30479973.
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    12. Heckmann N, McKnight B, Stefl M, Trasolini NA, Ike H, Dorr LD. Late Dislocation Following Total Hip Arthroplasty: Spinopelvic Imbalance as a Causative Factor. J Bone Joint Surg Am. 2018 Nov 07; 100(21):1845-1853. PMID: 30399079.
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    13. Tezuka T, Heckmann ND, Bodner RJ, Dorr LD. Functional Safe Zone Is Superior to the Lewinnek Safe Zone for Total Hip Arthroplasty: Why the Lewinnek Safe Zone Is Not Always Predictive of Stability. J Arthroplasty. 2019 01; 34(1):3-8. PMID: 30454867.
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    14. Ike H, Dorr LD, Trasolini N, Stefl M, McKnight B, Heckmann N. Spine-Pelvis-Hip Relationship in the Functioning of a Total Hip Replacement. J Bone Joint Surg Am. 2018 Sep 19; 100(18):1606-1615. PMID: 30234627.
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    15. Vakhshori V, Rounds AD, Heckmann N, Azad A, Intravia JM, Rosario S, Stevanovic M, Ghiassi A. The Declining Use of Wrist-Spanning External Fixators. Hand (N Y). 2018 Aug 07; 1558944718791185. PMID: 30084266.
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    16. White EA, Skalski MR, Matcuk GR, Heckmann N, Tomasian A, Gross JS, Patel DB. Intra-articular tongue-type fractures of the calcaneus: anatomy, injury patterns, and an approach to management. Emerg Radiol. 2019 Feb; 26(1):67-74. PMID: 30062534.
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    17. Sivasundaram L, Heidari KS, Alluri RK, Heckmann N, McKnight B, Hill JR, Hatch GFR. Discharge Destination After Shoulder Arthroplasty: An Independent Risk Factor for Readmission and Complications. J Am Acad Orthop Surg. 2018 Apr 01; 26(7):251-259. PMID: 29494466.
      View in: PubMed
    18. Heckmann N, Sivasundaram L, Heidari KS, Weber AE, Mayer EN, Omid R, Vangsness CT, Hatch GF. Propionibacterium Acnes Persists Despite Various Skin Preparation Techniques. Arthroscopy. 2018 06; 34(6):1786-1789. PMID: 29580742.
      View in: PubMed
    19. White EA, Skalski MR, Patel DB, Gross JS, Tomasian A, Heckmann N, Matcuk GR. Isolated greater tuberosity fractures of the proximal humerus: anatomy, injury patterns, multimodality imaging, and approach to management. Emerg Radiol. 2018 Jun; 25(3):235-246. PMID: 29453500.
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    20. Croom WP, Lorenzana DJ, Auran RL, Cavallero MJ, Heckmann N, Lee J, White EA. Is Contralateral Templating Reliable for Establishing Rotational Alignment During Intramedullary Stabilization of Femoral Shaft Fractures? A Study of Individual Bilateral Differences in Femoral Version. J Orthop Trauma. 2018 02; 32(2):61-66. PMID: 28906308.
      View in: PubMed
    21. Heckmann ND, Sivasundaram L, Stefl MD, Kang HP, Basler ET, Lieberman JR. Total Hip Arthroplasty Bearing Surface Trends in the United States From 2007 to 2014: The Rise of Ceramic on Polyethylene. J Arthroplasty. 2018 06; 33(6):1757-1763.e1. PMID: 29429883.
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    22. Lieberman JR, Heckmann N. Venous Thromboembolism Prophylaxis in Total Hip Arthroplasty and Total Knee Arthroplasty Patients: From Guidelines to Practice. J Am Acad Orthop Surg. 2017 Dec; 25(12):789-798. PMID: 29176502.
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    23. Nicholson LT, Hill JR, McKnight B, Heckmann N, Stevanovic M, Ghiassi A. Redefining Zone II: Anatomy of the Flexor Digitorum Superficialis Insertion. Hand (N Y). 2019 May; 14(3):377-380. PMID: 29020826.
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    24. Heckmann N, Dusch MN, Pannell WC, Bauschard M, Alluri RK, Sivasundaram L, Ghiassi A. The Utility of Plain Films for Nonoperative Fifth Metacarpal Fractures: Are Follow-up Radiographs Necessary? Hand (N Y). 2018 11; 13(6):646-651. PMID: 28980482.
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    25. Essilfie A, McKnight B, Heckmann N, Rick Hatch GF, Omid R. Revision reverse total shoulder arthroplasty in a patient with preoperative deltoid insufficiency: a case report. J Shoulder Elbow Surg. 2017 07; 26(7):e232-e235. PMID: 28622984.
      View in: PubMed
    26. Narvy SJ, Hatch GF, Ihn HE, Heckmann ND, McGarry MH, Tibone JE, Lee TQ. Evaluating the Femoral-Side Critical Corner in Posterior Cruciate Ligament Reconstruction: The Effect of Outside-In Versus Inside-Out Creation of Femoral Tunnels on Graft Contact Pressure in a Synthetic Knee Model. Arthroscopy. 2017 Jul; 33(7):1370-1374. PMID: 28392051.
      View in: PubMed
    27. Stefl M, Lundergan W, Heckmann N, McKnight B, Ike H, Murgai R, Dorr LD. Spinopelvic mobility and acetabular component position for total hip arthroplasty. Bone Joint J. 2017 Jan; 99-B(1 Supple A):37-45. PMID: 28042117.
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    28. Heckmann N, Auran R, Mirzayan R. Application of Amniotic Tissue in Orthopedic Surgery. Am J Orthop (Belle Mead NJ). 2016 Nov/Dec; 45(7):E421-E425. PMID: 28005118.
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    29. Pannell WC, Heckmann N, Alluri RK, Sivasundaram L, Stevanovic M, Ghiassi A. Predictors of Nerve Injury After Gunshot Wounds to the Upper Extremity. Hand (N Y). 2017 09; 12(5):501-506. PMID: 28832207.
      View in: PubMed
    30. Heckmann N, Bradley A, Sivasundaram L, Alluri RK, Tan EW. Effect of Insurance on Rates of Total Ankle Arthroplasty Versus Arthrodesis for Tibiotalar Osteoarthritis. Foot Ankle Int. 2017 Feb; 38(2):133-139. PMID: 27756868.
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    31. Alluri RK, Leland H, Heckmann N. Surgical research using national databases. Ann Transl Med. 2016 Oct; 4(20):393. PMID: 27867945.
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    32. Griffin MJ, Olson K, Heckmann N, Charlton TP. Realtime Achilles Ultrasound Thompson (RAUT) Test for the Evaluation and Diagnosis of Acute Achilles Tendon Ruptures. Foot Ankle Int. 2017 Jan; 38(1):36-40. PMID: 27672015.
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    33. Dunphy TR, Damodar D, Heckmann ND, Sivasundaram L, Omid R, Hatch GF. Functional Outcomes of Type V Acromioclavicular Injuries With Nonsurgical Treatment. J Am Acad Orthop Surg. 2016 Oct; 24(10):728-34. PMID: 27579816.
      View in: PubMed
    34. Hill JR, McKnight B, Pannell WC, Heckmann N, Sivasundaram L, Mostofi A, Omid R, Rick Hatch GF. Risk Factors for 30-Day Readmission Following Shoulder Arthroscopy. Arthroscopy. 2017 Jan; 33(1):55-61. PMID: 27641638.
      View in: PubMed
    35. Foster BD, Sivasundaram L, Heckmann N, Pannell WC, Alluri RK, Ghiassi A. Distal Radius Fractures Do Not Displace following Splint or Cast Removal in the Acute, Postreduction Period: A Prospective, Observational Study. J Wrist Surg. 2017 Feb; 6(1):54-59. PMID: 28119796.
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    36. Foster BD, Sivasundaram L, Heckmann N, Cohen JR, Pannell WC, Wang JC, Ghiassi A. Surgical Approach and Anesthetic Modality for Carpal Tunnel Release: A Nationwide Database Study With Health Care Cost Implications. Hand (N Y). 2017 03; 12(2):162-167. PMID: 28344528.
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    37. McKnight B, Heckmann N, Hill JR, Pannell WC, Mostofi A, Omid R, Hatch GF. Surgical management of midshaft clavicle nonunions is associated with a higher rate of short-term complications compared with acute fractures. J Shoulder Elbow Surg. 2016 Sep; 25(9):1412-7. PMID: 27068385.
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    38. Pannell WC, Alluri RK, Sivasundaram L, Heckmann N, Ghiassi A. Utility of Postoperative Imaging in Radial Shaft Fractures. Hand (N Y). 2016 Jun; 11(2):184-7. PMID: 27390560.
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    39. Heckmann N, Sivasundaram L, Villacis D, Kleiner M, Yi A, White E, Rick Hatch GF. Radiographic Landmarks for Identifying the Anterolateral Ligament of the Knee. Arthroscopy. 2016 05; 32(5):844-8. PMID: 26868424.
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    40. Alluri RK, Pannell W, Heckmann N, Sivasundaram L, Stevanovic M, Ghiassi A. Predictive Factors of Neurovascular and Tendon Injuries Following Dog Bites to the Upper Extremity. Hand (N Y). 2016 12; 11(4):469-474. PMID: 28149216.
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    41. Villacis D, Sivasundaram L, Pannell WC, Heckmann N, Omid R, Hatch GF. Complication rate and implant survival for reverse shoulder arthroplasty versus total shoulder arthroplasty: results during the initial 2 years. J Shoulder Elbow Surg. 2016 Jun; 25(6):927-35. PMID: 26796602.
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    42. Sivasundaram L, Heckmann N, Pannell WC, Alluri RK, Omid R, Hatch GF. Preoperative risk factors for discharge to a postacute care facility after shoulder arthroplasty. J Shoulder Elbow Surg. 2016 Feb; 25(2):201-6. PMID: 26456429.
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    43. Heckmann N, Sivasundaram L, Lieberman JR. Propionibacterium acnes Infection in the Native Hip: A Case Report. JBJS Case Connect. 2015 Jul-Sep; 5(3):e60. PMID: 29252848.
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    44. Le VH, Heckmann N, Jain N, Wang L, Turner AW, Lee TQ, Bederman SS. Biomechanical evaluation of supplemental percutaneous lumbo-sacro-iliac screws for spinopelvic fixation following total sacrectomy. J Spinal Disord Tech. 2015 May; 28(4):E181-5. PMID: 25905801.
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    45. Omid R, Heckmann N, Wang L, McGarry MH, Vangsness CT, Lee TQ. Biomechanical comparison between the trapezius transfer and latissimus transfer for irreparable posterosuperior rotator cuff tears. J Shoulder Elbow Surg. 2015 Oct; 24(10):1635-43. PMID: 25847516.
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    46. Campbell ST, Heckmann ND, Shin SJ, Wang LC, Tamboli M, Murachovsky J, Tibone JE, Lee TQ. Biomechanical evaluation of coracoid tunnel size and location for coracoclavicular ligament reconstruction. Arthroscopy. 2015 May; 31(5):825-30. PMID: 25633818.
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    47. Grantham C, Heckmann N, Wang L, Tibone JE, Struhl S, Lee TQ. A biomechanical assessment of a novel double endobutton technique versus a coracoid cerclage sling for acromioclavicular and coracoclavicular injuries. Knee Surg Sports Traumatol Arthrosc. 2016 Jun; 24(6):1918-24. PMID: 25073944.
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    48. Argintar E, Heckmann N, Wang L, Tibone JE, Lee TQ. The biomechanical effect of shoulder remplissage combined with Bankart repair for the treatment of engaging Hill-Sachs lesions. Knee Surg Sports Traumatol Arthrosc. 2016 Feb; 24(2):585-92. PMID: 24912574.
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    49. Oh JH, Shin SJ, McGarry MH, Scott JH, Heckmann N, Lee TQ. Biomechanical effects of humeral neck-shaft angle and subscapularis integrity in reverse total shoulder arthroplasty. J Shoulder Elbow Surg. 2014 Aug; 23(8):1091-8. PMID: 24480326.
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    50. Lopez G, Tornetta P, Mazzocca AD, Stern PJ, Heckmann N, Gupta R. How do you educate someone to have the skills of an orthopaedic surgeon? Instr Course Lect. 2014; 63:487-94. PMID: 24720333.
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    51. Singh M, Gonzales FA, Cascio D, Heckmann N, Chanfreau G, Feigon J. Structure and functional studies of the CS domain of the essential H/ACA ribonucleoparticle assembly protein SHQ1. J Biol Chem. 2009 Jan 16; 284(3):1906-16. PMID: 19019820.
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