DavidL.HelfetMD

PubMed

• Lateral rim variable angle locked plating versus tension band wiring of simple and complex patella fractures: a biomechanical study.
  Christoph Sommer, Ivan Zderic, William Woodburn, Richard Castle, Jessica Penman, Eladio Saura-Sanchez, Boyko Gueorguiev, Karl Stoffel, Stephen Warner, David L Helfet> ;Archives of Orthopaedic and Trauma Surgery. 2024 Mar 23
• Orthopedic surgery in disaster.
  Altintas, B., L Helfet, D.> ;Acta Orthopaedica Et Traumatologica Turcica. 2023 Nov 1
• Operative treatment of nonunions in the elderly: Clinical and radiographic outcomes in patients at minimum 75 years of age.
  Clinton H van Trikt, Johanna C E Donders, Craig E Klinger, David S Wellman, David L Helfet, Peter Kloen> ;BMC Geriatrics. 2022 Dec 20
• 1 citations
  Differential regional perfusion of the human anterior cruciate ligament: quantitative magnetic resonance imaging assessment.
  Kenneth M Lin, Harmen D Vermeijden, Craig E Klinger, Lionel E Lazaro, Scott A Rodeo, Jonathan P Dyke, David L Helfet, Gregory S DiFelice> ;Journal of Experimental Orthopaedics. 2022 May 30
• Vascularity of the early post-natal human distal femoral chondroepiphysis: Quantitative MRI analysis.
  Kenneth M Lin, Naomi E Gadinsky, Craig E Klinger, Laura J Kleeblad, Kevin G Shea, Jonathan P Dyke, David L Helfet, Scott A Rodeo, Daniel W Green, Lionel E Lazaro> ;Journal of Children's Orthopaedics. 2022 Apr 1
• The effects of locking inserts and overtorque on the mechanical properties of a large fragment locking compression plate.
  Kathleen N. Meyers, Timothy S. Achor, Mark L. Prasarn, Jaimo Ahn, Kevin Khalsa, David S. Wellman, Dean G. Lorich, David L. Helfet> ;Journal of Experimental Orthopaedics. 2021 Nov 24
• 2 citations
  The effect of calcar femoral neck plating on vascularity of the femoral head and neck.
  Jeremy F. Kubik, Troy D. Bornes, Craig E. Klinger, Jonathan P. Dyke, David L. Helfet> ;Bone & Joint Open. 2021 Aug 11
• 3 citations
  Surgical outcomes of dual-plate fixation for periprosthetic femur fractures around a stable hip arthroplasty stem.
  Jeremy F. Kubik, Troy D. Bornes, Elizabeth B. Gausden, Craig E. Klinger, David S. Wellman, David L. Helfet> ;Archives of Orthopaedic and Trauma Surgery. 2021 May 18
• 5 citations
  Quantitative assessment of the vascularity of the skeletally immature patella: a cadaveric study using MRI.
  Naomi E. Gadinsky, Kenneth M. Lin, Craig E. Klinger, Jonathan P. Dyke, Laura J. Kleeblad, Kevin G. Shea, David L. Helfet, Scott A. Rodeo, Daniel W. Green, Lionel E. La...> ;Journal of Children's Orthopaedics. 2021 Apr 19
• 10 citations
  Periprosthetic Femur Fractures After Total Hip Arthroplasty: Does the Mode of Failure Correlate With Classification?
  Elizabeth B. Gausden, Zodina A. Beiene, Jason L. Blevins, Alexander B. Christ, Brian P. Chalmers, David L. Helfet, David J. Mayman> ;The Journal of Arthroplasty. 2021 Feb 23
• 20 citations
  Assessment of malreduction standards for the syndesmosis in bilateral CT scans of uninjured ankles
  Jeremy F. Kubik, Natalie C. Rollick, Jessica Bear, Owen J. Diamond, Joseph T. Nguyen, Laura J. Kleeblad, David L. Helfet, David S. Wellman> ;The Bone & Joint Journal. 2021 Jan 1
• 2 citations
  Endosteal Vasculature Dominates Along the Tibial Cortical Diaphysis: A Quantitative Magnetic Resonance Imaging Analysis.
  Ashley E. Levack, Craig E. Klinger, Naomi E. Gadinsky, Jonathan P. Dyke, Maggie Fung, David L. Helfet, Dean G. Lorich> ;Journal of Orthopaedic Trauma. 2020 Oct 15
• 8 citations
  Increased Vascularity in the Neonatal versus Adult Meniscus: Evaluation with Magnetic Resonance Imaging.
  Kenneth M. Lin, Naomi E. Gadinsky, Craig E. Klinger, Jonathan P. Dyke, Scott A. Rodeo, Daniel W. Green, Peter D. Fabricant, David L. Helfet, Kevin G. Shea, Lionel E. L...> ;Cartilage. 2020 May 23
• 23 citations
  The effects of dual plating on the vascularity of the distal femur.
  Natalie C. Rollick, Naomi E. Gadinsky, Craig E. Klinger, Jeremy F. Kubik, Jonathan P. Dyke, David L. Helfet, David S. Wellman> ;The Bone & Joint Journal. 2020 Mar 31
• 9 citations
  Femoral Head Vascularity: Implications Following Trauma and Surgery About the Hip.
  Naomi E. Gadinsky, Craig E. Klinger, David L. Helfet, Dean G. Lorich, Lionel E. Lazaro> ;Orthopedics. 2019 Jul 29
• 40 citations
  Predictors for Long-Term Hip Survivorship Following Acetabular Fracture Surgery: Importance of Gap Compared with Step Displacement.
  Diederik O Verbeek, Jelle P. van der List, Camden M. Tissue, David L. Helfet> ;The Journal of Bone and Joint Surgery. American Volume. 2018 Jun 6
• 5 citations
  Orthogonal Plating With a 95-Degree Blade Plate for Salvage of Unsuccessful Cephalomedullary Nailing of Atypic Femur Fractures: A Technical Trick.
  Natalie C. Rollick, Jessica Bear, Owen Diamond, David S. Wellman, David L. Helfet> ;Journal of Orthopaedic Trauma. 2019 Jun 1
• 12 citations
  Computed tomography versus plain radiography assessment of acetabular fracture reduction is more predictive for native hip survivorship
  Diederik O Verbeek, Jelle P. van der List, David L. Helfet> ;Archives of Orthopaedic and Trauma Surgery. 2019 Apr 27
• 4 citations
  Outcomes of Surgical Treatment of Periprosthetic Acetabular Fractures.
  Lindsay E. Hickerson, Robert M. Zbeda, Naomi E. Gadinsky, David S. Wellman, David L. Helfet> ;Journal of Orthopaedic Trauma. 2019 Feb 1
• 16 citations
  The Diagnostic Accuracy of Radiographs and Magnetic Resonance Imaging in Predicting Deltoid Ligament Ruptures in Ankle Fractures.
  Stephen J. Warner, Matthew R. Garner, Peter D. Fabricant, Patrick C. Schottel, Michael L. Loftus, Keith Hentel, David L. Helfet, Dean G. Lorich> ;HSS Journal. 2019 Jul 1
• 15 citations
  Novel Treatment Options for the Surgical Management of Young Femoral Neck Fractures.
  Ashley E. Levack, Elizabeth B. Gausden, Aleksey Dvorzhinskiy, Dean G. Lorich, David L. Helfet> ;Journal of Orthopaedic Trauma. 2019 Jan 1
• 2 citations
  Case report: ischial stress fracture non-union in a college football player.
  Adam C Shaner, Andrea M. Spiker, Marci A Goolsby, Bryan T. Kelly, David L. Helfet> ;Journal of Hip Preservation Surgery. 2018 Aug 1
• 10 citations
  Periprosthetic femoral nonunions treated with internal fixation and bone grafting.
  Jonne T.H. Prins, Johanna C. E. Donders, David L. Helfet, David S. Wellman, Craig E. Klinger, Mariya Redko, Peter Kloen> ;Injury. 2018 Oct 18
• 37 citations
  Evolution in Management of Tibial Pilon Fractures
  Jessica Bear, Natalie C. Rollick, David L. Helfet> ;Current Reviews in Musculoskeletal Medicine. 2018 Dec 1
• 21 citations
  Radiographic and Clinical Outcomes of Periprosthetic Distal Femur Fractures Treated With Open Reduction Internal Fixation.
  Alexander B. Christ, Elizabeth B. Gausden, Jordan C. Villa, David S. Wellman, Dean G. Lorich, David L. Helfet> ;Journal of Orthopaedic Trauma. 2018 Oct 1
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Journal Articles

• The Effects of Dual Plating on the Vascularity of the Distal Femur  
  David Helfet, MD, The Bone & Joint Journal
• Evolution in Management of Tibial Pilon Fractures  
  David Helfet, MD, Current Reviews in Musculoskeletal Medicine
• Symptomatic Hip Impingement Due to Exostosis Associated with Supra-Acetabular Pelvic External Fixator Pin  
  Schottel PC, Smith CS, Helfet DL, Am J Orthop, 1/1/2014
• Outcomes of Schatzker II Tibial Plateau Fracture Open Reduction Internal Fixation Using Structural Bone Allograft  
  Berkes MB, Little MT, Schottel PC, Pardee NC, Zuiderbaan A, Lazaro LE, Helfet DL, Lorich DG, Trauma, 1/1/2014
• An Isolated Iliac Wing Stress Fracture in a Marathon Runner  
  Amorosa LF. Serota AC, Berman N, Lorich DG, Helfet DL, Am J Orthop, 1/1/2014
• Acute Compartment Syndrome in Patients with Tibia Fractures Transferred for Definitive Fracture Care  
  Prasarn ML, Ahn J, Achor TS, Paul O, Loirch DG, Helfet DL, Am J Orthop, 1/1/2014
• Outcomes of Schatzker II Tibial Plateau Fracture Open Reduction Internal Fixation Using Structural Bone Grafts  
  Berkes MB, Little MT, Schottel PC, Pardee NC, Zuiderbaan A, Lazaro LE, Helfet DL, Lorich DG, J Orthop Trauma, 1/20/2013
• Plasma 25-Hydroxyvitamin D Levels in Operative Patella Fractures  
  Reinhardt, KR, Lazaro, LE, Umunna BP, Cross MB, Helfet DL, Lane JM, Lorich DG, HSS Journal, 1/1/2013
• Effect of Computerized Tomography on Cassification and Treatment Plan for Patellar Fractures  
  Lazaro LE, Wellman DS, Pardee NC, Gardner MJ, Toro JB, MacIntyre NR, Helfet DL, Lorich DG, J Orthop Trauma, 1/1/2013
• Publish or Perish; But What, When, and How?  
  Helfet DL. Hanson BP, DeFaoite D, Am J Orthop, 1/1/2013
• Assessment of Femoral Head and Head-neck Junction Perfusion following Surgical Hip Dislocation Using Gadolinium-enhanced Magnetic Resonance Imaging: A Cadaveric Study  
  Lazaro LE, Sculco PK, Pardee NC, Klinger CE, Dyke JP, Helfet DL, Su EP, Lorich DG, J Bone Joint Surg Am, 1/1/2013
• Management of Pelvic Injuries in Pregnancy  
  Amorosa LF, Amorosa JH, Wellman DS, Lorich DG, Helfet DL, Orthop Clin North Am, 1/1/2013
• Regional Analysis of Femoral Head Perfusion Following Displaced Fractures of the Femoral Neck  
  Dyke JP, Lazaro LE, Hettrich CM, Hentel KD Helfet DL, Lorich DG, J of Magnetic Resonance Imaging, 1/1/2013
• Publish or Perish; But What, When, and How?  
  Helfet DL, Hanson BP, De Faoite D, Am J Orthop (Belle Mead NJ), 1/1/2013
• Temporary Joint-spanning External Fixation before Internal Fixation of Open Intra-articular Distal Humeral Fractures: A Stage Protocol  
  Kloen P, Helfet DL. Lorich DG, Paul O, Brouwer KM, Ring D, J Shoulder Elbow Surg, 1/1/2012
• Meta-analysis of Re-operation, Nonunion, and Infection after Open Reduction and Internal Fixation of Patella Fractures  
  Dy CJ, Little MT, Berkes MB, Ma Y, Roberts TR, Helfet DL, Lorich DG, J Trauma Acute Care Surg, 1/1/2012
• Management of the Mangled Extremity  
  Prasarn ML, Helfet DL, Kloen P, Strategies Trauma Limb Reconstr, 1/1/2012
• Stress Fractures about the Tibia, Foot, and Ankle  
  Shindle MK, Endo Y, Warren RF, Lane JM, Helfet DL, Schwartz EN, Ellis SJ, J Am Acad Orthop Surg, 1/1/2012
• Shift Needed in Evidence-based Medicine  
  Helfet DL, Suk M, Hanson BP, De Faoite D, Am J Orthop (Belle Mead NJ), 1/1/2012
• An Analysis of the Musculoskeletal Trauma Section of the Orthopaedic In-Training Examination (OITE)  
  Cross MB, Osbahr DC, Gardner MJ, Nguyen JT, Helet DL, Lorich DG, Dines JS, J Bone and Joint Surg, 1/1/2011
• Quantitative Assessment of the Vascularity of the Talus with Gadolinium-Enhanced magnetic Resonance Imaging  
  Miller AN, Prasarn ML, Dyke JP, Helfet DL, Lorich DG, J Bone and Joint Surg, 1/1/2011
• A Meta-Analysis of Reoperation, Nonunion and Infection after Open-Reduction and Internal Fixation of Patella Fractures  
  Dy, C.J., Little, M.T.M, Berkes, M.B., Ma, Y., Roberts, T.R., Helfet, D.L., Lorich, D.G., J Trauma Acute Care Surg, 1/1/2011
• What's Usable and What's Missing in Evidence-Based Medicine for Fracture Management  
  Helfet DL, Hanson BP, Am J Orthop, 1/1/2011
• Nonunions Around the Knee Joint  
  Chan DB, Jeffcoat DM, Lorich DG, Helfet DL, International Orthopaedics, 1/1/2010
• Painless, Atraumatic, Isolated Lateral Compartment Syndrome of the Leg: An Unusual Triad of Atypical Findings  
  Oh LS, Lewis PB, Prasarn ML, Lorich DG, Helfet DL, Am J Orthop, 1/1/2010
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Books/Book Chapters

• Insufficiency Fractures, AAOS Monograph Series 
  Chapter: Insufficiency Fracgtures of the Tibia 
  Berkes MB, Helfet DLEditors: Lane JM, Saleh A.2014
• Foot and Ankle in Sports Medicine of Baseball 
  Chapter: Ankle Fractures and Disruptions of the Syndesmosis 
  Prasarn ML, Werner CML, Lorich DG, Helfet DLEditors: David W. Altchek, M.D, Jonathan T. Deland, M.D., Rock Positano, DPM, MSc, MPH, and Joshua Dines, M.D..Lippincott, Williams & Wilkins2013
• Master Techniques in Orthopaedic Surgery: The Shoulder 
  Chapter: Open Reduction and Internal Fixation of Claviculal Fractures and Nonunions 
  Chan DB, Kloen P, Helfet DLEditors: Craig EV.Lippincott Williams & WilkinsEdition 3rd,2013
• Master Techniques in Orthopaedic Surgery: Fractures 
  Chapter: Acetabular Fractures: Extended Iliofemoral Approach 
  Helfet DL, Sen MK, Bartlett CS, Sama N, Malkani ALEditors: Wiss DA.Lippincott Williams & WilkinsEdition 3rd,2013
• Roadmap to Research 
  Chapter: Foreword 
  Helfet DLEditors: Hanson BP.2013
• Orthopaedic Knowledge Update: Trauma 4 
  Chapter: Acetabular Fractures: Acute Evaluation 
  Ahn, J., Reilly, M.C., Lorich, D.G., Helfet, D.L.Editors: Andrew H. Schmidt, David C. Teague.AAOS Publications2012
• OKU: Trauma 4 
  Chapter: Acetabular fractures: Acute Evaluation 
  Ahn J, Reilly MC, Lorich DL, Helfet DLAAOS Publications2011
• The Poly-traumatized Patient with Fractures 
  Chapter: Mangled Extremity: Management in Isolated Extremity Injuries and in Polytrauma 
  Prasarn ML, Kloen P, Helfet DLEditors: Pape HC, Sanders R, Borelli J, Jr.Springer2011
• Evidence Based Medicine in Orthopedic Surgery (Orthopedic Clinics of North America) 
  Chapter: Evidence-Based Orthopedic Surgery: Is it Possible? 
  Suk M, Hanson B, Helfet DLEditors: Safdar N. Khan, MD, Mark A. Lee, MD, Munish C. Gupta, MD.Saunders2010
• Evidence Based Medicine in Orthopedic Surgery (Orthopedic Clinics of North America) 
  Chapter: A Critical Appraisal of the SPRINT Trial 
  Helfet DL, Suk M, Hanson BEditors: Safdar N. Khan, MD, Mark A. Lee, MD, Munish C. Gupta, MD.Saunders2010
• Musculoskeletal Outcomes Measures and Instruments 
  Suk, M, Hanson BP, Norvell DC, Helfet DLThiemeEdition 2nd,2009
• AO Manual of Fracture Management: Elbow & Forearm 
  Chapter: Complete Articular Distal Humerus Fracture with Multifragmentary Metaphysis 
  Kloen P, Helfet DLThieme Medical Publishers, Inc.2009
• Solutions for Complex Upper Extremity Trauma 
  Helfet DLThieme2008
• Solutions for Complex Upper Extremity Trauma 
  Chapter: Nonunions of the Humeral Shaft 
  Issack PS, Lauerman MH, Helfet DLEditors: Dines DM, Lorich DG & Helfet DL.Thieme2008
• Solutions for Complex Upper Extremity Trauma 
  Chapter: Nonunions of the Distal Humerus 
  Kloen P, Helfet DLEditors: Dines DM, Lorich DG & Helfet DL.Thieme2008
• AO Handbook of Statistics and Data Management 
  Chapter: For Those Who Cannot Get Enough 
  Trenz M., Helfet DLAO Publishing, Thieme2008
• Master Techniques in Orthopaedic Surgery: The Hip 
  Chapter: Surgical Dislocation of the Femoral Head 
  Sen M, Helfet DLEditors: Donald A. Wiss.Lippincott Williams & Wilkins2006
• Master Techniques in Orthopaedic Surgery: The Hip 
  Chapter: Acetabular Fractures: Extended Iliofemoral Approach 
  Sen M, Helfet DLEditors: Donald A. Wiss.Lippincott Williams & Wilkins2006
• AO Manual of Fracture Management: Internal Fixators 
  Helfet DLAO Publishing, Thieme2006
• AO Handbook 
  Chapter: Musculoskeletal Outcomes Measures and Instruments 
  Suk, M, Hanson BP, Norvell DC, Helfet DLThieme2005
• AO Manual of Nonunion Treatment 
  Chapter: Distal Femur Nonunions 
  Toro JB, Helfet DLAO Publishing, Thieme2005
• AO Manual of Nonunion Treatment 
  Chapter: Distal Humerus Nonunions 
  Kloen P, Helfet DLAO Publishing, Thieme2005
• AO Manual of Nonunion Treatment 
  Chapter: Humeral Shaft Nonunions 
  Kloen P, Helfet DLAO Publishing, Thieme2005
• Techniques in Fracture Surgery 
  Chapter: Surgical Treatment of Tibial Nonunions 
  Toro JB, Helfet DLEditors: Tornetta P III.W.B. Saunders2005
• Fractures of the Pelvis and Acetabulum 
  Co-edited by Tile M, Kellam JEditors: Helfet DL , Co-Editor.Lippincott, William & WilkinsEdition 3rd,2003
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Abstracts/Posters

• Assessment of Bone Circulation in the Hip Following Fracture of the Femoral Neck Using MRI
  Dyke JP, Lazaro L, Hettrich C, Hentel K, Helfet DL, Lorich DG, Orthopaedic Research Society Annual Meeting, N. Orleans, LA, 1/15/2014
• Anatomical Strategy for Fixation of Supination External Rotation Type IV Equivalent (SER IV E) Ankle Fractures
  Little MT, Berkes MB, Schottel PC, Garner MR< Lazaro LE, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 81st Annual Meeting, N. Orleans, 1/1/2014
• Male Sex and Syndersmotic Screw Fixation are Risk Factors for Post-Traumatic Synostosis in Operative Ankle Fractures
  Hinds RM, Lazaro LE, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 81st Annual Meeting, N. Orleans, 1/1/2014
• A Vessel Preserving Posterior Surgical Hip Dislocation through the Posterolateral Approach
  Sculco PK, Lazaro LE, Klinger CE, Birnbaum JF, Dyke J, Helfet DL, Lorich DG, Su EP, American Academy of Orthopaedic Surgeons - 81st Annual Meeting, N. Orleans, 1/1/2014
• Femoral Head Osteonecrosis Following Anatomic Stable Fixation of Femoral Neck Fractures: An in vivo MRI Study
  Lazaro LE, Dyke J, Farshad-Amacker NA, Birnbaum JF Helfet DL, Potter H, Lorich DG, American Academy of Orthopaedic Surgeons - 81st Annual Meeting, N. Orleans, 1/1/2014
• A Vessel Preserving Posterior Surgical Hip Dislocation Through the Posterolateral Approach: A Cadaveric Vascularity Study Using Gadolinium-Enhanced MRI
  Peter K. Sculco, MD, Lionel E. Lazaro MD, Jackie Birnbaum BA, Craig E. Klinger BS, Jonathan P. Dyke PhD, David L. Helfet MD, Edwin P. Su MD, Dean G. Lorich MD, International Society for Technology in Arthroplasty Annual Congress, Palm Beach, Florida, 1/16/2013
• Predictive Radiographic Markers for Concomitant Ipsilateral Ankle Injuries in Tibial Shaft Fractures
  Schottel PC, Berker MB, Little MTM, Lazaro LE, Pardee N, Nguyen J, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Assessment of Ankle Articular Reduction after Surgical Fixation: Sensitivity and Specificity of Plain Radiographs
  Garner MR, Berkes MB, Little MTM, Schottel PC, Helfet DL, Lotrich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Articular Congruity Predicts Short Term Clinical Outcomes of Operatively Treated SER IV Ankle Fractures
  Berkes MB, Little MTM, Lazaro LE, Pardee N, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Clinical Outcomes of Pronation External Rotation Type IV Ankle Fractures
  Berkes MB, Little MTM, Garner MR, Schottel PC, Pardee N, Lazaro LE, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• CT and X-Ray Examination of the Immature Acetabulum is Appropriate Only after Closure of the Triradiate Cartilage
  Fabrikant PD, Hirsch BP, Holmes I, Kelly BT, Lorich DG, Helfet DL, Bogner EA, Green DW, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Assessment of Femoral Head Perfusion Following Anterior Surgical Hip Dislocation Using Contrast-Enhanced MRI
  Lazaro LE, Wellman DS, Pardee N, Sculco PK, Dyke J, Little MTM, Klinger C, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Efficacy of Limited Approach to Intra-Articular Calcaneus Fractures
  Little MTM, Berkes MB, Schottel PC, Lazaro LE, Lamont LE, Pardee N, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Vascular Anatomy of the Patella: Implications for Total Knee Arthroplasty Surgical Approaches
  Lazaro LE, Cross MB, Pardee N, Sculco PK, Klinger C, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Surgical Anatomy of the inferior Retinacular Branch of the Medial Femoral Circumflex Artery
  Lazaro LE, Sculco PK, Pardee N, Klinger C, Berkes MB, Helfet DL, Kelly BT, Su EP, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• SER IV Ankle Fractures: Is It Better to Have an Unrepaired Ligament or an Anatomically Fixed Malleolus?
  Berkes MB, Little MTM, Lazaro LE, Pardee N, Schottel PC, Lamont LE, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Surgical Anatomy of the Medial Femoral Circumflex Artery Terminal Branches: Arterial Supply to the Femoral Head
  Lazaro LE, Klinger C, Sculco PK, Pardee N, Su EP, Kelly BT, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Defining the Lateral and Accessory Views of the Patella: An Anatomic and Radiographic Study with Implications for Fracture Treatment
  Berkes MB, Little MTM, Lazaro LE, Pardee N, Klinger CE, Helfet DL, Lorich DG, American Academy of Orthopaedic Surgeons - 80th Annual Meeting, Chicago, 1/1/2013
• Topographic Anatomy of the Medial Femoral Circumflex Artery: Relation to the Posterior Approach for Hip Resurfacing
  Peter K. Sculco MD, Lionel E. Lazaro MD, Craig E. Klinger BA, Nadine C. Pardee BS, David L. Helfet MD, Edwin P. Su MD, Dean G. Lorich MD, 14th EFORT Congress, Istanbul, 1/1/2013
• Quantitative Assessment of Bone Perfusion and Vascularity in Patellar Fractures using Gadolinium-Enhanced MRI
  Lionel E. Lazaro MD; David S. Wellman MD; Peter K. Sculco MD; Craig Klinger BA; Jonathan P. Dyke PhD; Nadine C. Pardee BS; David L. Helfet MD; Dean G. Lorich MD, 14th EFORT Congress, Istanbul, 1/1/2013
• Treatment of Femoral Neck Fractures Using a Biologic Implant: High Union Rates with Minimal Femoral Neck Shortening
  Lionel E. Lazaro MD; Milton T.M. Little MD; Marschall B. Berkes MD; Patrick C. Schottel MD; Nadine C. Pardee BS; David L. Helfet MD; Dean G. Lorich MD, 14th EFORT Congress, Istanbul, 1/1/2013
• Assessment of Perfusion to the Femoral Head and Head-Neck Junction Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging
  Lionel E. Lazaro MD; Peter K. Sculco MD; Craig E. Klinger BA; Jonathan P. Dyke PhD; Nadine C. Pardee BS; Edwin P. Su MD; David L. Helfet MD; Dean G. Lorich MD, 14th EFORT Congress, Istanbul, 1/1/2013
• Surgical Anatomy of the Medial Femoral Circumflex Artery Terminal Branches: Arterial Supply to the Femoral Head
  Lionel E. Lazaro MD, Craig E. Klinger BA, Peter K. Sculco MD, Nadine C. Pardee BS, Edwin P. Su MD, Bryan T. Kelly MD, David L. Helfet MD, Dean G. Lorich MD, 14th EFORT Congress, Istanbul, 1/1/2013
• Surgical Anatomy of the Inferior Retinacular Branch of the Medial Femoral Circumflex Artery
  Lionel E. Lazaro MD; Peter K. Sculco MD; Craig E. Klinger BA; Nadine C. Pardee BS; Edwin P. Su MD; David L. Helfet MD; Dean G. Lorich MD, 14th EFORT Congress, Istanbul, 1/1/2013
• Stress Ankle Radiographs and Predictability of Deep Deltoid Ligament Injury in a Supination-External Rotation Cohort
  Schottel PC, Berkes MB, Little MTM, Garner MR, Birnbaum J, Helfet DL, Lorich DG, Orthopaedic Trauma Association 29th Annual Meeting, Phoenix, AZ, 1/1/2013
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Lectures

• "We Stand on theShoulders of Giants" (Welcome Lecture) 
  Stowe, VT - 1/1/2014
• Surgical Management of Aseptic Nonunion 
  Stowe, VT - 1/1/2014
• Periprosthetic Osteosynthesis 
  Muenster University Hospital - Muenster, Germany - 1/1/2013
• Surgical Management of Atrophic Nonunions 
  1/1/2013
• Whether of Not to Compress Across Sacral Fractures with Trans-Sacral Fixation (Partially Threaded Screws or Fully Threaded) 
  New York, NY - 1/1/2013
• ORIF Periprostehtic Fractures: Indications and Techyniques 
  Pittsburgh, PA - 1/1/2013
• Acetabulalr Fractures: Acute Management/Decision Making 
  Pittsburgh, PA - 1/1/2013
• Nonunions: Principles / Common Techyniques 
  Pittsburgh, PA - 1/1/2013
• Distal Tibia - Anterolateral Approach 
  Tubingen, Germany - 1/1/2013
• Anterior Pelvic Plating - Routines, Risks and Results 
  University of Texas - Houston, TX - 1/1/2013
• KL - Flip - Gibson: How Do I Choose? 
  University of Texas - Houston, TX - 1/1/2013
• Acetabular Fractures - Lessons Learned 
  University of Texas - Houston, TX - 1/1/2013
• Grand Rounds: "Acetabular Fractures in the Elderly" 
  University of British Columbia, Vancouver, B.C., Canada - 1/1/2012
• Wisdom of the Masters: Are Experts a Thing of the Past? 
  San Francisco - 1/1/2012
• Acetabular Fractures in the Elderly: Increasing and a Conundrum 
  Boston, MA - 1/1/2012
• Acetabular Fractures in the Elderly: A Rapidly Increasing Conundrum 
  Washington University in St. Louis School of Medicine, St. Louis, MO - 1/1/2012
• Fractures/Dislocations: Hip 
  Milan, Italy - 1/1/2011
• Cartagena, Colombia 
  Cartagena, Colombia - 1/1/2011
• Is Trauma a Subspecialty in Orthopaedics 
  Cartagena, Colombia - 1/1/2011
• Management of Aseptic Nonunions: A Comoprehensive Review 
  Cartagena, Colombia - 1/1/2011
• Reduction and Fixation of Both Column and Anterior Plus Posterior Hemitransverse Fractures through Ilioinguinal Approach 
  Miami FL - 1/1/2011
• "Who Will Support and Who Will Design the Next Generation of Fracture Fixation" - a conversation with Editor-in-Chief Peter D. McCann, MD. 
  1/1/2011
• Low Energy Fractures / Elderly/ Especially on Bisphosphonates: Diagnosis/Managemend/Work Up 
  Sun City, Republic of South Africa - 1/1/2011
• MIO in Orthopaedic Trauma: Distal Tibia 
  Sun City, Republic of South Africa - 1/1/2011
• Pelvic Fractures: Delayed and Late Cases 
  Milan, 2009; New Delhi, India, 2010 - 1/1/2010
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Other

• Acetabular Fractures in the Elderly 
  David Helfet, MD. Co-Moderator: David Wellman, MD, AO Foundation Trauma Webinar
  1/1/2011
• Video Session in Trauma: "How Do I Do It" 
  Helfet DL, Sociedad Colombiana de Cirurgia Ortopedica y Traumatologia (SCCOT)
  Cartagena, Colombia - 1/1/2011
• Instructional Course lectures 
  Helfet DL
  1/1/2004
• Fractures de Monteggia a Deplacement Posterieur Operees: a propos de 17 echecs repris par plaque moulee posterieure 
  Ring D, Tavakolian J, Kloen P, Helfet DL, Jupiter JB, Le journal francais de l'orthopedie
  1/1/2003
• Anterior Knee Pain Following the Lateral Parapatellar Approach for Tibial Nailing 
  Weil YA, Gardner MJ, Boraiah S, Helfet DL, Lorich DG, Arch Orthop Trauma Surg
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