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Michael E Lekawa

Title(s)Health Sciences Professor, Surgery
Address1001 Health Sciences Road
Irvine CA 92697-3950
Phone(714) 456-5890
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    1. Early cognitive impairment is common after intracranial hemorrhage with mild traumatic brain injury. J Trauma Acute Care Surg. 2020 Jul; 89(1):215-221. Delaplain PT, Albertson S, Grigorian A, Williams B, Smith M, Inaba K, Lekawa M, Nahmias J. PMID: 32102043.
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    2. Geriatric patients undergoing appendectomy have increased risk of intraoperative perforation and/or abscess. Surgery. 2020 May 24. Fan SM, Grigorian A, Smith BR, Kuza CM, Lekawa M, Schubl SD, Nguyen NT, Nahmias J. PMID: 32461001.
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    3. Trauma patients with human immunodeficiency virus (HIV): a propensity matched analysis. Eur J Trauma Emerg Surg. 2020 May 24. Covarrubias J, Grigorian A, Kuza CM, Dolich M, Dosch A, Kojayan GG, Delaplain P, Lekawa M, Nahmias J. PMID: 32448942.
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    4. Energy vessel sealant devices are associated with decreased risk of neck hematoma after thyroid surgery. Updates Surg. 2020 Apr 24. Moran K, Grigorian A, Elfenbein D, Schubl S, Jutric Z, Lekawa M, Nahmias J. PMID: 32333320.
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    5. Octogenarians with blunt splenic injury: not all geriatrics are the same. Updates Surg. 2020 Apr 18. Bashir R, Grigorian A, Lekawa M, Joe V, Schubl SD, Chin TL, Kong A, Nahmias J. PMID: 32306276.
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    6. Chemoprophylaxis and Venous Thromboembolism in Traumatic Brain Injury at Different Trauma Centers. Am Surg. 2020 Apr 01; 86(4):362-368. Yeates EO, Grigorian A, Schubl SD, Kuza CM, Joe V, Lekawa M, Borazjani B, Nahmias J. PMID: 32391761.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. Intracranial pressure monitors associated with increased venous thromboembolism in severe traumatic brain injury. Eur J Trauma Emerg Surg. 2020 Mar 10. Allen A, Grigorian A, Christian A, Schubl SD, Barrios C, Lekawa M, Borazjani B, Joe V, Nahmias J. PMID: 32157341.
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    8. Obesity associated with increased postoperative pulmonary complications and mortality after trauma laparotomy. Eur J Trauma Emerg Surg. 2020 Feb 22. Covarrubias J, Grigorian A, Schubl S, Gambhir S, Dolich M, Lekawa M, Nguyen N, Nahmias J. PMID: 32088754.
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    9. Outcomes after pneumonectomy versus limited lung resection in adults with traumatic lung injury. Updates Surg. 2020 Jun; 72(2):547-553. Homo RL, Grigorian A, Lekawa M, Dolich M, Kuza CM, Doben AR, Gross R, Nahmias J. PMID: 32086773.
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    10. Intracranial pressure monitoring associated with increased mortality in pediatric brain injuries. Pediatr Surg Int. 2020 Mar; 36(3):391-398. Delaplain PT, Grigorian A, Lekawa M, Mallicote M, Joe V, Schubl SD, Kuza CM, Dolich M, Nahmias J. PMID: 31938835.
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    11. Non-Accidental Trauma Associated with Withdrawal of Life-Sustaining Medical Treatment in Severe Pediatric Traumatic Brain Injury. J Clin Ethics. 2020; 31(2):111-125. Grigorian A, de Virgilio C, Lekawa M, Ramakrisnan D, Barros R, Kuncir E, Nahmias J. PMID: 32585654.
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    12. Analysis of blunt cerebrovascular injury in pediatric trauma. J Trauma Acute Care Surg. 2019 12; 87(6):1354-1359. Grigorian A, Dolich M, Lekawa M, Fujitani RM, Kabutey NK, Kuza CM, Bashir R, Nahmias J. PMID: 31626028.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Sternotomy for Hemorrhage Control in Trauma. J Surg Res. 2020 03; 247:227-233. Duong W, Grigorian A, Al-Khouja L, Schubl S, Kong A, Lekawa M, Chin TL, Nahmias J. PMID: 31759620.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. Predictors of blunt abdominal aortic injury in trauma patients and mortality analysis. J Vasc Surg. 2020 Jun; 71(6):1858-1866. Sheehan BM, Grigorian A, de Virgilio C, Fujitani RM, Kabutey NK, Lekawa M, Schubl SD, Nahmias J. PMID: 31699513.
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    15. Differing Risk of Mortality in Trauma Patients With Stab Wounds to the Torso: Treating Hospital Matters. JAMA Surg. 2019 11 01; 154(11):1070-1072. Abate M, Grigorian A, Nahmias J, Schubl SD, Kuncir E, Lekawa M. PMID: 31433445.
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    16. The use of computed tomography imaging for abdominal seatbelt sign: A single-center, prospective evaluation. Injury. 2020 Jan; 51(1):26-31. Delaplain PT, Barrios C, Spencer D, Lekawa M, Schubl S, Dosch A, Grigorian A, Smith M, Pejcinovska M, Nahmias J. PMID: 31706587.
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    17. Esophageal Trauma: Analysis of Incidence, Morbidity, and Mortality. Am Surg. 2019 Oct 01; 85(10):1134-1138. Gambhir S, Grigorian A, Swentek L, Maithel S, Sheehan BM, Daly S, Lekawa M, Nahmias J. PMID: 31657309.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. Marijuana use and outcomes in adult and pediatric trauma patients after legalization in California. Am J Surg. 2019 12; 218(6):1189-1194. Grigorian A, Lester E, Lekawa M, Figueroa C, Kuza CM, Dolich M, Schubl SD, Barrios C, Nahmias J. PMID: 31521241.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Early Tracheostomy for Severe Pediatric Traumatic Brain Injury is Associated with Reduced Intensive Care Unit Length of Stay and Total Ventilator Days. J Intensive Care Med. 2019 Aug 27; 885066619870153. Sheehan BM, Grigorian A, Gambhir S, Maithel S, Kuza CM, Dolich MO, Lekawa ME, Nahmias J. PMID: 31455142.
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    20. Increased risk of head injury in pediatric patients with attention deficit hyperactivity disorder. J Child Adolesc Psychiatr Nurs. 2019 11; 32(4):171-176. Grigorian A, Nahmias J, Dolich M, Barrios C, Schubl SD, Sheehan B, Lekawa M. PMID: 31328370.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. Same-Day Discharge after Non-Perforated Laparoscopic Appendectomy Is Safe. J Invest Surg. 2019 Jun 20; 1-6. Grigorian A, Kuza CM, Schubl SD, Nguyen NT, de Virgilio C, Kim D, Lekawa M, Nahmias J. PMID: 31218891.
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    22. Smoking is associated with an improved short-term outcome in patients with rib fractures. Eur J Trauma Emerg Surg. 2019 May 18. Grigorian A, Lekawa M, Dolich M, Schubl SD, Doben AR, Kuza CM, Barrios C, Nahmias J. PMID: 31115615.
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    23. Non-accidental trauma increases length of stay and mortality in pediatric trauma. Pediatr Surg Int. 2019 Jul; 35(7):779-784. Livingston JK, Grigorian A, Kuza CM, Lekawa M, Bernal N, Allen A, Nahmias J. PMID: 31076869.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    24. Patients with gunshot wounds to the torso differ in risk of mortality depending on treating hospital. Updates Surg. 2019 Sep; 71(3):561-567. Grigorian A, Nahmias J, Chin T, Allen A, Kuncir E, Dolich M, Joe V, Lekawa M. PMID: 31011998.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    25. Perforated Peptic Ulcer Surgery: Decreased Length of Stay but No Difference in Mortality with Laparoscopic Repair. Surg Laparosc Endosc Percutan Tech. 2018 Dec; 28(6):410-415. Gabriel V, Grigorian A, Schubl SD, Pejcinovska M, Won E, Lekawa M, Bernal N, Nahmias J. PMID: 30312196.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    26. Association of Heparin-Induced Thrombocytopenia With Bacterial Infection in Trauma Patients. JAMA Surg. 2018 10 01; 153(10):964-965. Grigorian A, Schubl S, Barrios C, Joe V, Dolich M, Lekawa M, Nahmias J. PMID: 29955756.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. Use of laparoscopic colectomy increasing in trauma: comparison of laparoscopic vs. open colectomy. Updates Surg. 2019 Mar; 71(1):105-111. Grigorian A, Pigazzi A, Nguyen NT, Schubl SD, Joe V, Dolich M, Lekawa M, Nahmias J. PMID: 30143986.
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    28. Decreased incidence of venous thromboembolism found in trauma patients with positive blood alcohol concentration on admission. Am J Drug Alcohol Abuse. 2019; 45(1):77-83. Grigorian A, Gambhir S, Al-Khouja L, Gabriel V, Schubl SD, Nastanski F, Lekawa M, Joe V, Nahmias J. PMID: 30084660.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    29. Pressure Ulcer in Trauma Patients: A Higher Spinal Cord Injury Level Leads to Higher Risk. J Am Coll Clin Wound Spec. 2017; 9(1-3):24-31.e1. Grigorian A, Sugimoto M, Joe V, Schubl S, Lekawa M, Dolich M, Kuncir E, Barrios C, Nahmias J. PMID: 30591898.
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    30. 911 Emergency Medical Services and Re-Triage to Level I Trauma Centers. J Am Coll Surg. 2018 01; 226(1):64-69. Kuncir E, Spencer D, Feldman K, Barrios C, Miller K, Lush S, Dolich M, Lekawa M. PMID: 29133262.
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    31. Racial Disparities in Access and Outcomes of Cholecystectomy in the United States. Am Surg. 2016 Oct; 82(10):921-925. Gahagan JV, Hanna MH, Whealon MD, Maximus S, Phelan MJ, Lekawa M, Barrios C, Bernal NP. PMID: 27779974.
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    32. Seatbelt sign as an indication for four-vessel computed tomography angiogram of the neck to diagnose blunt carotid artery and other cervical vascular injuries. Am Surg. 2013 Oct; 79(10):1001-4. Dhillon RS, Barrios C, Lau C, Pham J, Bernal N, Kong A, Lekawa M, Dolich M. PMID: 24160787.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    33. Risk factors for venous thromboembolism in critically ill nontrauma surgical patients who cannot receive chemical prophylaxis. Am J Surg. 2013 Sep; 206(3):300-6. Patel MS, Ewing T, Kong A, Nguyen D, Lau C, Barrios C, Cinat M, Dolich M, Lekawa M, Malinoski D. PMID: 23759695.
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    34. Which central venous catheters have the highest rate of catheter-associated deep venous thrombosis: a prospective analysis of 2,128 catheter days in the surgical intensive care unit. J Trauma Acute Care Surg. 2013 Feb; 74(2):454-60; discussion 461-2. Malinoski D, Ewing T, Bhakta A, Schutz R, Imayanagita B, Casas T, Woo N, Margulies D, Barrios C, Lekawa M, Chung R, Bukur M, Kong A. PMID: 23354238.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    35. A comparison of thoracic CT and abdominal CT for the identification of thoracic blunt trauma. Am J Surg. 2012 Dec; 204(6):927-31; discussion 931-2. Pinette W, Barrios C, Pham J, Kong A, Dolich M, Lekawa M. PMID: 23231934.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCTClinical Trials
    36. Risk for contrast-induced nephropathy in elderly trauma patients. Am Surg. 2012 Oct; 78(10):1114-7. Finigan R, Pham J, Mendoza R, Lekawa M, Dolich M, Kong A, Bernal N, Lush S, Barrios C. PMID: 23025953.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    37. The current role of magnetic resonance imaging for diagnosing cervical spine injury in blunt trauma patients with negative computed tomography scan. Am Surg. 2012 Oct; 78(10):1156-60. Kaiser ML, Whealon MD, Barrios C, Kong AP, Lekawa ME, Dolich MO. PMID: 23025962.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    38. Predictors of hazardous drinking behavior in 1,340 adult trauma patients: a computerized alcohol screening and intervention study. J Am Coll Surg. 2012 Oct; 215(4):489-95. Ewing T, Barrios C, Lau C, Patel MS, Cui E, Garcia SD, Kong A, Lotfipour S, Lekawa M, Malinoski D. PMID: 22683248.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    39. Risk factors for venous thromboembolism in critically ill trauma patients who cannot receive chemical prophylaxis. Injury. 2013 Jan; 44(1):80-5. Malinoski D, Ewing T, Patel MS, Jafari F, Sloane B, Nguyen B, Barrios C, Kong A, Cinat M, Dolich M, Lekawa M, Hoyt DB. PMID: 22047757.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    40. Implementation of a cost-saving algorithm for pelvic radiographs in blunt trauma patients. J Trauma. 2011 Sep; 71(3):582-4. Barleben A, Jafari F, Rose J, Dolich M, Malinoski D, Lekawa M, Hoyt D, Cinat M. PMID: 21908996.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    41. The natural history of upper extremity deep venous thromboses in critically ill surgical and trauma patients: what is the role of anticoagulation? J Trauma. 2011 Aug; 71(2):316-21; discussion 321-2. Malinoski DJ, Ewing T, Patel MS, Nguyen D, Le T, Cui E, Kong A, Dolich M, Barrios C, Cinat M, Lekawa M, Salim A. PMID: 21825933.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    42. Test characteristics of focused assessment of sonography for trauma for clinically significant abdominal free fluid in pediatric blunt abdominal trauma. Acad Emerg Med. 2011 May; 18(5):477-82. Fox JC, Boysen M, Gharahbaghian L, Cusick S, Ahmed SS, Anderson CL, Lekawa M, Langdorf MI. PMID: 21569167.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    43. Risk factors for traumatic injury findings on thoracic computed tomography among patients with blunt trauma having a normal chest radiograph. Arch Surg. 2011 Apr; 146(4):459-63. Kaiser ML, Whealon MD, Barrios C, Dobson SC, Malinoski DJ, Dolich MO, Lekawa ME, Hoyt DB, Cinat ME. PMID: 21502456.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    44. Ability of a chest X-ray and an abdominal computed tomography scan to identify traumatic thoracic injury. Am J Surg. 2010 Dec; 200(6):741-4; discussion 744-5. Barrios C, Pham J, Malinoski D, Dolich M, Lekawa M, Cinat M. PMID: 21146014.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    45. A multidisciplinary organ donor council and performance improvement initiative can improve donation outcomes. Am Surg. 2010 Oct; 76(10):1059-62. Kong AP, Barrios C, Salim A, Willis L, Cinat ME, Dolich MO, Lekawa ME, Malinoski DJ. PMID: 21105609.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    46. The clinical significance of occult thoracic injury in blunt trauma patients. Am Surg. 2010 Oct; 76(10):1063-6. Kaiser M, Whealon M, Barrios C, Dobson S, Malinoski D, Dolich M, Lekawa M, Hoyt D, Cinat M. PMID: 21105610.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    47. Standard prophylactic enoxaparin dosing leads to inadequate anti-Xa levels and increased deep venous thrombosis rates in critically ill trauma and surgical patients. J Trauma. 2010 Apr; 68(4):874-80. Malinoski D, Jafari F, Ewing T, Ardary C, Conniff H, Baje M, Kong A, Lekawa ME, Dolich MO, Cinat ME, Barrios C, Hoyt DB. PMID: 20386282.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    48. Utility of thoracic computed tomography after blunt trauma: when is chest radiograph enough? Am Surg. 2009 Oct; 75(10):966-9. Barrios C, Malinoski D, Dolich M, Lekawa M, Hoyt D, Cinat M. PMID: 19886146.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    49. Traffic law knowledge disparity between Hispanics and non-Hispanic whites in California. J Emerg Med. 2011 Jun; 40(6):687-95. Anderson KL, Patel CV, Vaca F, Anderson CL, Mendoza R, Barton RL, Lekawa ME, Hoonpongsimanont W, Lotfipour S. PMID: 19748200.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    50. Elevated serum pancreatic enzyme levels after hemorrhagic shock predict organ failure and death. J Trauma. 2009 Sep; 67(3):445-9. Malinoski DJ, Hadjizacharia P, Salim A, Kim H, Dolich MO, Cinat M, Barrios C, Lekawa ME, Hoyt DB. PMID: 19741384.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    51. Successful management of occult pneumothorax without tube thoracostomy despite positive pressure ventilation. Am Surg. 2008 Oct; 74(10):958-61. Barrios C, Tran T, Malinoski D, Lekawa M, Dolich M, Lush S, Hoyt D, Cinat ME. PMID: 18942622.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    52. Sperm granuloma of the inguinal vas deferens mimicking recurrent incarcerated inguinal hernia. Urology. 2007 Jun; 69(6):1209.e1-3. Deane LA, Suding PN, Lekawa ME, Narula N, McDougall EM. PMID: 17572223.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    53. Posttraumatic paradoxical fat embolism to the brain: a case report. J Trauma. 2005 Feb; 58(2):372-4. Nastanski F, Gordon WI, Lekawa ME. PMID: 15706203.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    54. Frameless stereotaxy to facilitate anterolateral thoracolumbar surgery: technique. Neurosurgery. 2005 Jan; 56(1 Suppl):110-6; discussion 110-6. Chappell ET, Pare L, Dolich MO, Lekawa ME, Salepour M. PMID: 15799798.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    55. Serial abdominal closure technique (the "SAC" procedure): a novel method for delayed closure of the abdominal wall. Am Surg. 2003 Feb; 69(2):102-5. Kafie FE, Tessier DJ, Williams RA, Podnos YD, Cinat M, Lekawa M, Wilson SE. PMID: 12641347.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    56. Nosocomial infections in the surgical intensive care unit: a difference between trauma and surgical patients. Am Surg. 1999 Oct; 65(10):987-90. Wallace WC, Cinat M, Gornick WB, Lekawa ME, Wilson SE. PMID: 10515549.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    57. Pedestrian-motor vehicle trauma: an analysis of injury profiles by age. J Am Coll Surg. 1996 Jan; 182(1):17-23. Kong LB, Lekawa M, Navarro RA, McGrath J, Cohen M, Margulies DR, Hiatt JR. PMID: 8542084.
      View in: PubMed   Mentions: 14     Fields:    Translation:HumansPHPublic Health
    58. The laparoscopic learning curve. Surg Laparosc Endosc. 1995 Dec; 5(6):455-8. Lekawa M, Shapiro SJ, Gordon LA, Rothbart J, Hiatt JR. PMID: 8611992.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    59. Surgical intensive care in the nonagenarian. No basis for age discrimination. Arch Surg. 1993 Jul; 128(7):753-6; discussion 756-8. Margulies DR, Lekawa ME, Bjerke HS, Hiatt JR, Shabot MM. PMID: 8317956.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
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