Laurence E. Dahners, MD

Professor of Orthopaedics

Certified by the American Board of Orthopaedic Surgery

• BS: University of Arizona
• MD: University of Arizona
• Residency: University of Kansas

• Faculty Teaching Award; Musculoskeletal Course, UNC School of Medicine, 1985, 1992, 2003
• Physician's Recognition Award, American Medical Association, 1983-1986, 1992-1996
• A-B-C Traveling Fellowship, American Orthopaedic Association, 1991
• Associate Editor, Journal of the American Academy of Orthopaedic Surgeons, 1993-1997
• Listed in Best Doctors in United States
• Speaker, "Pearl's Day" Presentations, UNC School of Medicine
• Frank C. Wilson Orthopaedic Faculty Teaching Award (first), graduating residents, UNC School of Medicine
• Kappa Delta Award, Orthopaedic Research Society, 2000: "On changes in length of dense collagenous tissue: growth and contracture" (abstract)

•  Trauma

• Ligament physiology
• ligament healing
• ligament growth and contracture
• bone healing and biomechanics of internal fixation

• Letson AK, Dahners LE: The effect of combinations of growth factors on ligament healing. Clin Orthop 1994;308:207-212.
• Miclau T, Edin ML,* Lester GE, Lindsey RW, Dahners LE: Bone toxicity of locally applied aminoglycosides. J Orthop Trauma 1995;9:401-406.
• Dirschl DR, Dahners LE: The mangled extremity: When should it be amputated? J Am Acad Orthop Surg 1996;4:182-190.
• Batten ML, Hansen JC,* Dahners LE: Influence of dosage and timing of application of platelet-derived growth factor on early healing of the rat medial collateral ligament. J Orthop Res 1996;14:736-741.
• Edin ML, Miclau T*, Lester GE, Lindsey RW, Dahners LE: Effect of cefazolin and vancomycin on osteoblasts in vitro. Clin Orthop 1996;333:245-251
• Dahners LE: Technical notes on a radiolucent distractor for indirect reduction and intramedullary nailing. J Orthop Trauma 1997;(11)374-377.
• DeVente JE*, Lester GE, Trotter JA, Dahners LE: Isolation of intact collagen fibrils from healing ligament. J Electron Microsc (Tokyo), 1997:46(4)353-356.
• Wood ML,* Lester GE, Dahners LE: Collagen fiber sliding during ligament growth and contracture. J Orthop Res 1998;(16)438-440.
• Miclau T, Edin ML,* Lester GE, Lindsey RW, Dahners LE: Effect of ciprofloxacin on the proliferation of osteoblast-like MG-63 human osteosarcoma cells in vitro. J Orthop Res 1998;(16)509-512.
• Dirschl DR, Duff GP, Dahners LE, Edin M, Rahn BA, Miclau T: High pressure pulsaltile lavage irrigation of intraarticular fractures: effects of fracture healing. J Orthop Trauma 1998:(12)460-463.
• Miller RS*, Weinhold PS, Dahners LE: Comparison of tricortical screw fixation versus a modified suture construct for fixation of ankle syndesmosis injury: a biomechanical study. J Orthop Trauma 1999: (13)39-42.
• Dahners LE, Hundley JD: Reduction of posterior hip dislocations in the lateral position using traction-counteraction: safer for the surgeon? J Orthop Trauma 1999: 13(5)373-374.
• Dahners LE, Lester GE, Caprise P: The pentapeptide NKISK affects collagen fibril interactions in a vertebrate tissue. J Orthop Res 2000 (18)532-536.
• Chudik SC, Weinhold P, Dahners LE.  Fixed-angle plate fixation in simulated fractures of the proximal humerus: A biomechanical study of a new device. J Shoulder Elbow Surg 2003; 12(6):578-588.
• Bogatov* VB, Weinhold PS, Dahners LE: The influence of a cyclooxygenase-1 inhibitor on injured and uninjured ligaments in the rat.  Am J Sports Med 2003;31:574-576.
• Norcross JP*, Lester GE, Weinhold PS, Dahners LE: An in vivo model of degenerative disc disease. J Orthop Res 2003; 21: 183-188.
• Harrell RM, Tong J*, Weinhold PS, Dahners LE: Comparison of the mechanical properties of different tension band materials and suture techniques. J Orthop Trauma February 2003 17(2).
• Caprise PA, Miclau T, Dahners LE, Dirschl DR: High-pressure pulsatile lavage irrigation of contaminated fractures: effects on fracture healing. J Orthop Res 2002; 20(6): 1205-1209.
• Dirschl DR, Dahners LE, Crouch JH, Adams GL, Wilson FC: Correlation of selection criteria for residency applicants with subsequent performances as residents. Clin Orthop 2002; 399:265-271.
• Crowther JD, Chudik SC, Dahners LE: Periacetabular osteotomy for stabilization of recurrent post-traumatic dislocation of the hip.  J Orthop Trauma July 2002 16(6) 433-436.
• Dahners LE, Bos GD: Fluorescent tetracycline labeling as an aid to debridement of necrotic bone in the treatment of chronic osteomyelitis. J Orthop Trauma May 2002 16(5) 345-346.
• Lee EW, Dirschl DR, Duff G, Dahners LE, Miclau T: High-pressure pulsatile lavage irrigation of fresh intraarticular fractures: Effectiveness at removing particulate matter from bone. J Orthop Res 2002 16(3) 162-165.
• Elder CL, Dahners LE, Weinhold PS: A cyclooxygenase-2 inhibitor impairs ligament healing in the rat. Am J Sports Med 2001,  29(6):801-5.
• Caprise PA, Lester GA, Weinhold P, Hill J, Dahners, LE: The effect of NKISK on tendon in an in vivo model. J Orthop Res 2001 19:858-861.
• Keener JD, Dahners LE: Percutaneous Pinning of Displaced Midshaft Clavicle Fractures. Technique in Shoulder Elbow Surgery Dec 2006 7:4.
• Yarboro S*, Baum E*, Dahners L: Locally Adminsitered Antibiotics for Prophylaxis Against Surgical Wound Infection. Journal Bone Joint Surgery 2007 89(5) 929-933.
• Bushnell BD*, Hoover SA*, Olcott CW, Dahners LE. Use of an Independent Skeletal Distractor in Hip Arthroscopy. Arthroscopy 2007 23 (1), 106.
• Draeger RW*, Dirschl DR, Dahners LE. Debridement of Cancellous Bone: A Comparison of Irrigation Methods. J Orthop Trauma, 2006 20 (10).
• Costa ER*, Weinhold PS, Tayrose GA*, Hooker JA*, Dahners LE. The Effect of Levodopa or Levodopa-Carbidopa (Sinemet) on Fracture Healing. J Orthop Trauma 2006 20 (7), 470-475.
• Draeger RW*, Dahners LE. Traumatic Wound Debridement A Comparison of Irrigation Methods. J Orthop Trauma, 2006 20(2): 83-88.
• Melvin JS*, Dahners LE. A Technique for Correction of Equinus Contracture Using a Wire Fixator and Elastic Tension. J Orthop Trauma 2006 20(2): 138-142.
• Mullis BH*, Dahners LE. Hip Arthroscopy to Remove Loose Bodies After Traumatic Dislocation. J Orthop Trauma. 2006 20(1): 22-26.
• Creighton RA, Spang JT*, Dahners LE. Basic Science of Ligament Healing: Medial Collateral Ligament Healing With and Without Treatment. Sports Medicine and Arthroscopy Review 2005 13(3) 145-150.
• Bushnell BD*, Dahners LE: The Syringe Technique for Minimally Invasive Bone Grafting. J Orthop Trauma. 2005 19(9):650-655.
• Hanson CA*, Weinhold PS, Afshari HM*, Dahners LE: The Effect of Analgesic Agents on the Healing Rat Medial Collateral Ligament. Am J of Sports Med 2005 33(5): 674-679.
• Mullis BH*, Dahners LE. Effects of nonsteroidal Anti-Inflammatory Drugs on Bone Formation and Soft-Tissue Healing. J Amer Acad Ortho Surg 2004; 12(3): 139-143.
• Chudik SC*, Weinhold P, Dahners LE. Fixed-angle plate fixation in simulated fractures of the proximal humerus: A biomechanical study of a new device. J Shoulder Elbow Surg 2003; 12(6):578-588.
• Bogatov* VB, Weinhold PS, Dahners LE: The influence of a cyclooxygenase-1 inhibitor on injured and uninjured ligaments in the rat. Amer J Sports Med. 2003, 31:574-576.
• Norcross JP*, Lester GE, Weinhold PS, Dahners LE: An in vivo model of degenerative disc disease. J Ortho Res 2003; 21: 183-188.
• Caprise PA, Miclau T, Dahners LE, Dirschl DR: High-pressure pulsatile lavage irrigation of contaminated fractures: effects on fracture healing. J Orthop Res 2002; 20(6): 1205-1209.
• Crowther JD*, Chudik SC*, Dahners LE: Periacetabular Osteotomy for Stabilization of Recurrent Post-Traumatic Dislocation of the Hip. J Orthop Trauma 2002 16(6) 433-436.
• Dahners LE, Bos GD: Fluorescent Tetracycline Labeling as an Aid to Debridement of Necrotic Bone in the Treatment of Chronic Osteomyelitis. J Orthop Trauma May 2002 16(5) 345-346.

• BS: University of Arizona
• MD: University of Arizona
• Residency: University of Kansas

• Faculty Teaching Award; Musculoskeletal Course, UNC School of Medicine, 1985, 1992, 2003
• Physician's Recognition Award, American Medical Association, 1983-1986, 1992-1996
• A-B-C Traveling Fellowship, American Orthopaedic Association, 1991
• Associate Editor, Journal of the American Academy of Orthopaedic Surgeons, 1993-1997
• Listed in Best Doctors in United States
• Speaker, "Pearl's Day" Presentations, UNC School of Medicine
• Frank C. Wilson Orthopaedic Faculty Teaching Award (first), graduating residents, UNC School of Medicine
• Kappa Delta Award, Orthopaedic Research Society, 2000: "On changes in length of dense collagenous tissue: growth and contracture" (abstract)

• Letson AK, Dahners LE: The effect of combinations of growth factors on ligament healing. Clin Orthop 1994;308:207-212.
• Miclau T, Edin ML,* Lester GE, Lindsey RW, Dahners LE: Bone toxicity of locally applied aminoglycosides. J Orthop Trauma 1995;9:401-406.
• Dirschl DR, Dahners LE: The mangled extremity: When should it be amputated? J Am Acad Orthop Surg 1996;4:182-190.
• Batten ML, Hansen JC,* Dahners LE: Influence of dosage and timing of application of platelet-derived growth factor on early healing of the rat medial collateral ligament. J Orthop Res 1996;14:736-741.
• Edin ML, Miclau T*, Lester GE, Lindsey RW, Dahners LE: Effect of cefazolin and vancomycin on osteoblasts in vitro. Clin Orthop 1996;333:245-251
• Dahners LE: Technical notes on a radiolucent distractor for indirect reduction and intramedullary nailing. J Orthop Trauma 1997;(11)374-377.
• DeVente JE*, Lester GE, Trotter JA, Dahners LE: Isolation of intact collagen fibrils from healing ligament. J Electron Microsc (Tokyo), 1997:46(4)353-356.
• Wood ML,* Lester GE, Dahners LE: Collagen fiber sliding during ligament growth and contracture. J Orthop Res 1998;(16)438-440.
• Miclau T, Edin ML,* Lester GE, Lindsey RW, Dahners LE: Effect of ciprofloxacin on the proliferation of osteoblast-like MG-63 human osteosarcoma cells in vitro. J Orthop Res 1998;(16)509-512.
• Dirschl DR, Duff GP, Dahners LE, Edin M, Rahn BA, Miclau T: High pressure pulsaltile lavage irrigation of intraarticular fractures: effects of fracture healing. J Orthop Trauma 1998:(12)460-463.
• Miller RS*, Weinhold PS, Dahners LE: Comparison of tricortical screw fixation versus a modified suture construct for fixation of ankle syndesmosis injury: a biomechanical study. J Orthop Trauma 1999: (13)39-42.
• Dahners LE, Hundley JD: Reduction of posterior hip dislocations in the lateral position using traction-counteraction: safer for the surgeon? J Orthop Trauma 1999: 13(5)373-374.
• Dahners LE, Lester GE, Caprise P: The pentapeptide NKISK affects collagen fibril interactions in a vertebrate tissue. J Orthop Res 2000 (18)532-536.
• Chudik SC, Weinhold P, Dahners LE.  Fixed-angle plate fixation in simulated fractures of the proximal humerus: A biomechanical study of a new device. J Shoulder Elbow Surg 2003; 12(6):578-588.
• Bogatov* VB, Weinhold PS, Dahners LE: The influence of a cyclooxygenase-1 inhibitor on injured and uninjured ligaments in the rat.  Am J Sports Med 2003;31:574-576.
• Norcross JP*, Lester GE, Weinhold PS, Dahners LE: An in vivo model of degenerative disc disease. J Orthop Res 2003; 21: 183-188.
• Harrell RM, Tong J*, Weinhold PS, Dahners LE: Comparison of the mechanical properties of different tension band materials and suture techniques. J Orthop Trauma February 2003 17(2).
• Caprise PA, Miclau T, Dahners LE, Dirschl DR: High-pressure pulsatile lavage irrigation of contaminated fractures: effects on fracture healing. J Orthop Res 2002; 20(6): 1205-1209.
• Dirschl DR, Dahners LE, Crouch JH, Adams GL, Wilson FC: Correlation of selection criteria for residency applicants with subsequent performances as residents. Clin Orthop 2002; 399:265-271.
• Crowther JD, Chudik SC, Dahners LE: Periacetabular osteotomy for stabilization of recurrent post-traumatic dislocation of the hip.  J Orthop Trauma July 2002 16(6) 433-436.
• Dahners LE, Bos GD: Fluorescent tetracycline labeling as an aid to debridement of necrotic bone in the treatment of chronic osteomyelitis. J Orthop Trauma May 2002 16(5) 345-346.
• Lee EW, Dirschl DR, Duff G, Dahners LE, Miclau T: High-pressure pulsatile lavage irrigation of fresh intraarticular fractures: Effectiveness at removing particulate matter from bone. J Orthop Res 2002 16(3) 162-165.
• Elder CL, Dahners LE, Weinhold PS: A cyclooxygenase-2 inhibitor impairs ligament healing in the rat. Am J Sports Med 2001,  29(6):801-5.
• Caprise PA, Lester GA, Weinhold P, Hill J, Dahners, LE: The effect of NKISK on tendon in an in vivo model. J Orthop Res 2001 19:858-861.
• Keener JD, Dahners LE: Percutaneous Pinning of Displaced Midshaft Clavicle Fractures. Technique in Shoulder Elbow Surgery Dec 2006 7:4.
• Yarboro S*, Baum E*, Dahners L: Locally Adminsitered Antibiotics for Prophylaxis Against Surgical Wound Infection. Journal Bone Joint Surgery 2007 89(5) 929-933.
• Bushnell BD*, Hoover SA*, Olcott CW, Dahners LE. Use of an Independent Skeletal Distractor in Hip Arthroscopy. Arthroscopy 2007 23 (1), 106.
• Draeger RW*, Dirschl DR, Dahners LE. Debridement of Cancellous Bone: A Comparison of Irrigation Methods. J Orthop Trauma, 2006 20 (10).
• Costa ER*, Weinhold PS, Tayrose GA*, Hooker JA*, Dahners LE. The Effect of Levodopa or Levodopa-Carbidopa (Sinemet) on Fracture Healing. J Orthop Trauma 2006 20 (7), 470-475.
• Draeger RW*, Dahners LE. Traumatic Wound Debridement A Comparison of Irrigation Methods. J Orthop Trauma, 2006 20(2): 83-88.
• Melvin JS*, Dahners LE. A Technique for Correction of Equinus Contracture Using a Wire Fixator and Elastic Tension. J Orthop Trauma 2006 20(2): 138-142.
• Mullis BH*, Dahners LE. Hip Arthroscopy to Remove Loose Bodies After Traumatic Dislocation. J Orthop Trauma. 2006 20(1): 22-26.
• Creighton RA, Spang JT*, Dahners LE. Basic Science of Ligament Healing: Medial Collateral Ligament Healing With and Without Treatment. Sports Medicine and Arthroscopy Review 2005 13(3) 145-150.
• Bushnell BD*, Dahners LE: The Syringe Technique for Minimally Invasive Bone Grafting. J Orthop Trauma. 2005 19(9):650-655.
• Hanson CA*, Weinhold PS, Afshari HM*, Dahners LE: The Effect of Analgesic Agents on the Healing Rat Medial Collateral Ligament. Am J of Sports Med 2005 33(5): 674-679.
• Mullis BH*, Dahners LE. Effects of nonsteroidal Anti-Inflammatory Drugs on Bone Formation and Soft-Tissue Healing. J Amer Acad Ortho Surg 2004; 12(3): 139-143.
• Chudik SC*, Weinhold P, Dahners LE. Fixed-angle plate fixation in simulated fractures of the proximal humerus: A biomechanical study of a new device. J Shoulder Elbow Surg 2003; 12(6):578-588.
• Bogatov* VB, Weinhold PS, Dahners LE: The influence of a cyclooxygenase-1 inhibitor on injured and uninjured ligaments in the rat. Amer J Sports Med. 2003, 31:574-576.
• Norcross JP*, Lester GE, Weinhold PS, Dahners LE: An in vivo model of degenerative disc disease. J Ortho Res 2003; 21: 183-188.
• Caprise PA, Miclau T, Dahners LE, Dirschl DR: High-pressure pulsatile lavage irrigation of contaminated fractures: effects on fracture healing. J Orthop Res 2002; 20(6): 1205-1209.
• Crowther JD*, Chudik SC*, Dahners LE: Periacetabular Osteotomy for Stabilization of Recurrent Post-Traumatic Dislocation of the Hip. J Orthop Trauma 2002 16(6) 433-436.
• Dahners LE, Bos GD: Fluorescent Tetracycline Labeling as an Aid to Debridement of Necrotic Bone in the Treatment of Chronic Osteomyelitis. J Orthop Trauma May 2002 16(5) 345-346.