Keck School Faculty

Nathanael Heckmann

Nathanael Heckmann

Assistant Professor of Clinical Orthopaedic Surgery
Orthopaedic Surgery
HC2 - 1520 San Pablo Street, #2000 Health Sciences Campus Los Angeles


Factors Associated With Distal Femoral Osteotomy Survivorship: Data From the California Office of Statewide Health Planning and Development (OSHPD) Registry Orthop J Sports Med. 2020 Sep; 8(9):2325967120951554. . View in PubMed

Medial Femoral Trochlea Osteochondral Graft: A Quantitative Anatomic Comparison to the Proximal Pole of the Scaphoid J Wrist Surg. 2020 Aug; 9(4):283-288. . View in PubMed

Functional Anatomy of the Hip Joint J Arthroplasty. 2020 Jul 31. . View in PubMed

Knee Arthroscopy After Total Knee Arthroplasty: Not a Benign Procedure J Arthroplasty. 2020 Jul 02. . View in PubMed

Trends in the use of dual mobility bearings in hip arthroplasty Bone Joint J. 2020 Jul; 102-B(7_Supple_B):27-32. . View in PubMed

Unicompartmental Knee Arthroplasty in a Patient with Nail-Patella Syndrome: A Case Report JBJS Case Connect. 2020 Jul-Sep; 10(3):e2000216. . View in PubMed

Atypical Subtrochanteric Femur Fracture and Hip Osteoarthritis Treated with a Revision Monoblock Stem and Strut Allograft: A Case Report JBJS Case Connect. 2020 Jul-Sep; 10(3):e2000038. . View in PubMed

Minimal clinically important difference (MCID) for patient-reported shoulder outcomes J Shoulder Elbow Surg. 2020 Jul; 29(7):1484-1492. . View in PubMed

Saline lavage after a "dry tap" Bone Joint J. 2020 Jun; 102-B(6_Supple_A):138-144. . View in PubMed

Medicare Reimbursement for Hip and Knee Arthroplasty From 2000 to 2019: An Unsustainable Trend J Arthroplasty. 2020 May; 35(5):1174-1178. . View in PubMed

Characteristics of Marijuana Use Among Orthopedic Patients Orthopedics. 2020 Mar 01; 43(2):108-112. . View in PubMed

The Declining Use of Wrist-Spanning External Fixators Hand (N Y). 2020 Mar; 15(2):255-263. . View in PubMed

Population-based Survivorship of Computer-navigated Versus Conventional Total Knee Arthroplasty J Am Acad Orthop Surg. 2020 Jan 10. . View in PubMed

Wound Irrigation for Open Fractures JBJS Rev. 2020 01; 8(1):e0061. . View in PubMed

High Tibial Osteotomy Survivorship: A Population-Based Study Orthop J Sports Med. 2019 Dec; 7(12):2325967119890693. . View in PubMed

Cutibacterium acnes persists despite topical clindamycin and benzoyl peroxide J Shoulder Elbow Surg. 2019 Dec; 28(12):2279-2283. . View in PubMed

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. . View in PubMed

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. . View in PubMed

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. . View in PubMed

Early Results From the American Joint Replacement Registry: A Comparison With Other National RegistriesJ Arthroplasty. 2019 Jul; 34(7S):S125-S134. e1. . View in PubMed

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. . View in PubMed

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. . View in PubMed

Intra-articular tongue-type fractures of the calcaneus: anatomy, injury patterns, and an approach to management Emerg Radiol. 2019 Feb; 26(1):67-74. . View in PubMed

Redefining Zone II: Anatomy of the Flexor Digitorum Superficialis Insertion Hand (N Y). 2019 05; 14(3):377-380. . View in PubMed

Intra-articular treatment options for knee osteoarthritis Nat Rev Rheumatol. 2019 02; 15(2):77-90. . View in PubMed

The Effect of Obesity on Operative Times and 30-Day Readmissions After Anterior Cruciate Ligament Reconstruction Arthroscopy. 2019 01; 35(1):121-129. . View in PubMed

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. . View in PubMed

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. . View in PubMed

World J Orthop. 2018 Nov 18; 9(11):262-270. . View in PubMed

Late Dislocation Following Total Hip Arthroplasty: Spinopelvic Imbalance as a Causative Factor J Bone Joint Surg Am. 2018 Nov 07; 100(21):1845-1853. . View in PubMed

Spine-Pelvis-Hip Relationship in the Functioning of a Total Hip Replacement J Bone Joint Surg Am. 2018 Sep 19; 100(18):1606-1615. . View in PubMed

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. . View in PubMed

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. . View in PubMed

The Utility of Plain Films for Nonoperative Fifth Metacarpal Fractures: Are Follow-up Radiographs Necessary? Hand (N Y). 2018 11; 13(6):646-651.. View in PubMed

Propionibacterium Acnes Persists Despite Various Skin Preparation Techniques Arthroscopy. 2018 06; 34(6):1786-1789. . View in PubMed

Total Hip Arthroplasty Bearing Surface Trends in the United States From 2007 to 2014: The Rise of Ceramic on PolyethyleneJ Arthroplasty. 2018 06; 33(6):1757-1763. e1. . View in PubMed

J Orthop Trauma. 2018 02; 32(2):61-66. . View in PubMed

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. . View in PubMed

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. . View in PubMed

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. . View in PubMed

Effect of Insurance on Rates of Total Ankle Arthroplasty Versus Arthrodesis for Tibiotalar Osteoarthritis Foot Ankle Int. 2017 Feb; 38(2):133-139. . View in PubMed

Predictors of Nerve Injury After Gunshot Wounds to the Upper Extremity Hand (N Y). 2017 09; 12(5):501-506. . View in PubMed

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. . View in PubMed

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. . View in PubMed

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. . View in PubMed

Risk Factors for 30-Day Readmission Following Shoulder Arthroscopy Arthroscopy. 2017 Jan; 33(1):55-61. . View in PubMed

Spinopelvic mobility and acetabular component position for total hip arthroplasty Bone Joint J. 2017 Jan; 99-B(1 Supple A):37-45. . View in PubMed

Application of Amniotic Tissue in Orthopedic Surgery Am J Orthop (Belle Mead NJ). 2016 Nov/Dec; 45(7):E421-E425. . View in PubMed

Surgical research using national databases Ann Transl Med. 2016 Oct; 4(20):393. . View in PubMed

Functional Outcomes of Type V Acromioclavicular Injuries With Nonsurgical Treatment J Am Acad Orthop Surg. 2016 Oct; 24(10):728-34. . View in PubMed

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. . View in PubMed

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. . View in PubMed

Utility of Postoperative Imaging in Radial Shaft Fractures Hand (N Y). 2016 Jun; 11(2):184-7. . View in PubMed

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. . View in PubMed

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. . View in PubMed

Preoperative risk factors for discharge to a postacute care facility after shoulder arthroplasty J Shoulder Elbow Surg. 2016 Feb; 25(2):201-6. . View in PubMed

Predictive Factors of Neurovascular and Tendon Injuries Following Dog Bites to the Upper Extremity Hand (N Y). 2016 12; 11(4):469-474. . View in PubMed

Radiographic Landmarks for Identifying the Anterolateral Ligament of the Knee Arthroscopy. 2016 05; 32(5):844-8. . View in PubMed

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. . View in PubMed

Propionibacterium acnes Infection in the Native Hip: A Case Report JBJS Case Connect. 2015 Jul-Sep; 5(3):e60. . View in PubMed

Biomechanical evaluation of coracoid tunnel size and location for coracoclavicular ligament reconstruction Arthroscopy. 2015 May; 31(5):825-30. . View in PubMed

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. . View in PubMed

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. . View in PubMed

How do you educate someone to have the skills of an orthopaedic surgeon? Instr Course Lect. 2014; 63:487-94.. View in PubMed

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. . View in PubMed

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, 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 75 research papers, book chapters, and scholarly reviews.
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