Department of Surgery faculty members, both physicians and scientists, are world-renown in their subspecialties. Faculty members are passionate in their clinical care and research practices, as well as being mentors for medical students and trainees. The department also invests significant funds to provide protected time and lab space for junior faculty to perform research.

Elizabeth Benjamin, MD, PhD
Elizabeth Benjamin, MD, PhD
Associate Professor of Clinical Surgery
2051 Marengo St. Off Campus Los Angeles

Electric Scooter Injury in Southern California Trauma Centers J Am Coll Surg. 2020 Mar 18. . View in PubMed

Transthyretin at Admission and Over Time as a Marker for Clinical Outcomes in Critically Ill Trauma Patients: A Prospective Single-Center Study World J Surg. 2020 Jan; 44(1):115-123. . View in PubMed

Selective nonoperative management of renal gunshot wounds J Trauma Acute Care Surg. 2019 Dec; 87(6):1301-1307. . View in PubMed

Invited Commentary Re: Early Chemical Thromboprophylaxis does not Increase the Risk of Intracranial Hematoma Progression in Patients with Isolated Severe Traumatic Brain Injury World J Surg. 2019 Nov; 43(11):2812-2813. . View in PubMed

Undertriaged trauma patients: Who are we missing? J Trauma Acute Care Surg. 2019 Oct; 87(4):865-869.. View in PubMed

Trauma Team Activation at a Level I Trauma Center in Southern California: Time of Day Matters Am Surg. 2019 Oct 01; 85(10):1142-1145. . View in PubMed

Pulse Pressure as an Early Warning of Hemorrhage in Trauma Patients J Am Coll Surg. 2019 Aug; 229(2):184-191. . View in PubMed

Gunshot wounds to the liver: No longer a mandatory operation J Trauma Acute Care Surg. 2019 Aug; 87(2):350-355. . View in PubMed

Motocross versus motorcycle injury patterns: A retrospective National Trauma Databank analysis J Trauma Acute Care Surg. 2019 Aug; 87(2):402-407. . View in PubMed

Old Age With a Traumatic Mechanism of Injury Should Be a Trauma Team Activation Criterion J Emerg Med. 2019 Aug; 57(2):151-155. . View in PubMed

Management of duodenal trauma: A retrospective review from the Panamerican Trauma Society J Trauma Acute Care Surg. 2019 Mar; 86(3):392-396. . View in PubMed

Timing of venous thromboprophylaxis in isolated severe pelvic fracture: Effect on mortality and outcomes Injury. 2019 Mar; 50(3):697-702. . View in PubMed

Initial evaluation of the efficacy and safety of in-hospital expandable hemostatic minisponge use in penetrating trauma J Trauma Acute Care Surg. 2019 Mar; 86(3):424-430. . View in PubMed

Falls in the Bathroom: A Mechanism of Injury for All Ages J Surg Res. 2019 02; 234:283-286. . View in PubMed

Intraoperative Consultations to Acute Care Surgery at a Level I Trauma Center Am Surg. 2019 Jan 01; 85(1):82-85. . View in PubMed

Flail Chest: Less Deadly than Originally Thought World J Surg. 2018 Dec; 42(12):3927-3931. . View in PubMed

Supermassive Transfusion: A 15-Year Single Center Experience and Outcomes Am Surg. 2018 Oct 01; 84(10):1617-1621. . View in PubMed

Preventable Complications and Deaths after Emergency Nontrauma Surgery Am Surg. 2018 Sep 01; 84(9):1422-1428. . View in PubMed

Severe traumatic brain injuries in children: Does the type of trauma center matter? J Pediatr Surg. 2018 Aug; 53(8):1523-1525.. View in PubMed

Severe Bleeding in Pelvic Fractures: Considerations in Planning Damage Control Am Surg. 2018 Feb 01; 84(2):267-272. . View in PubMed

Independent predictors of survival after traumatic atlanto-occipital dissociation J Trauma Acute Care Surg. 2018 08; 85(2):375-379. . View in PubMed

Detection of traumatic pancreatic duct disruption in the modern era Am J Surg. 2018 08; 216(2):299-303. . View in PubMed

The Age of Undertriage: Current Trauma Triage Criteria Underestimate The Role of Age and Comorbidities in Early Mortality J Emerg Med. 2018 08; 55(2):278-287. . View in PubMed

Early Seizure Prophylaxis in Traumatic Brain Injuries Revisited: A Prospective Observational Study World J Surg. 2018 06; 42(6):1727-1732. . View in PubMed

Factors affecting the caloric and protein intake over time in critically ill trauma patients J Surg Res. 2018 06; 226:64-71. . View in PubMed

Effect of door-to-angioembolization time on mortality in pelvic fracture: Every hour of delay counts J Trauma Acute Care Surg. 2018 05; 84(5):685-692. . View in PubMed

Air Versus Ground Transportation in Isolated Severe Head Trauma: A National Trauma Data Bank Study J Emerg Med. 2018 03; 54(3):328-334. . View in PubMed

Intracranial pressure monitoring in severe blunt head trauma: does the type of monitoring device matter? J Neurosurg. 2018 03; 128(3):828-833.. View in PubMed

Negative computed tomography can safely rule out clinically significant intra-abdominal injury in the asymptomatic patient after blunt trauma: Prospective evaluation of 1193 patients J Trauma Acute Care Surg. 2018 01; 84(1):128-132. . View in PubMed

Spleen-preserving distal pancreatectomy in trauma J Trauma Acute Care Surg. 2018 01; 84(1):118-122. . View in PubMed

Creatinine Kinase and Stimulant Abuse in Trauma Am Surg. 2018 Jan 01; 84(1):13-16. . View in PubMed

Decreased mortality in patients with isolated severe blunt traumatic brain injury receiving higher plasma to packed red blood cells transfusion ratios Injury. 2018 Jan; 49(1):62-66. . View in PubMed

Prehospital intubation for isolated severe blunt traumatic brain injury: worse outcomes and higher mortality Eur J Trauma Emerg Surg. 2017 Dec; 43(6):731-739. . View in PubMed

The effects of body mass index on complications and mortality after emergency abdominal operations: The obesity paradox Am J Surg. 2017 Nov; 214(5):899-903. . View in PubMed

Safety of early ambulation following blunt abdominal solid organ injury: A prospective observational study Am J Surg. 2017 Sep; 214(3):402-406. . View in PubMed

Intracranial pressure monitoring in severe traumatic brain injuries: a closer look at level 1 trauma centers in the United States Injury. 2017 Sep; 48(9):1944-1950. . View in PubMed

Peak creatinine kinase level is a key adjunct in the evaluation of critically ill trauma patients Am J Surg. 2017 Aug; 214(2):201-206. . View in PubMed

The impact of helmet use on outcomes after a motorcycle crash Injury. 2017 May; 48(5):1093-1097. . View in PubMed

Evidence of Stage Shift in Women Diagnosed With Ovarian Cancer During Phase II of the United Kingdom Familial Ovarian Cancer Screening Study J Clin Oncol. 2017 May 01; 35(13):1411-1420. . View in PubMed

Defining the gastroesophageal junction in trauma: Epidemiology and management of a challenging injury J Trauma Acute Care Surg. 2017 11; 83(5):798-802. . View in PubMed

Outcomes after traumatic injury in patients with preexisting psychiatric illness J Trauma Acute Care Surg. 2017 11; 83(5):882-887. . View in PubMed

Selective versus nonselective embolization versus no embolization in pelvic trauma: A multicenter retrospective cohort study J Trauma Acute Care Surg. 2017 09; 83(3):361-367. . View in PubMed

Splenic artery embolization versus splenectomy: Analysis for early in-hospital infectious complications and outcomes J Trauma Acute Care Surg. 2017 09; 83(3):356-360. . View in PubMed

Pharmacological Thromboembolic Prophylaxis in Traumatic Brain Injuries: Low Molecular Weight Heparin Is Superior to Unfractionated Heparin Ann Surg. 2017 09; 266(3):463-469. . View in PubMed

Brain Trauma Foundation Guidelines for Intracranial Pressure Monitoring: Compliance and Effect on Outcome World J Surg. 2017 06; 41(6):1543-1549. . View in PubMed

Erratum to: Brain Trauma Foundation Guidelines for Intracranial Pressure Monitoring: Compliance and Effect on Outcome World J Surg. 2017 06; 41(6):1542. . View in PubMed

Surgical outcomes after trauma pneumonectomy: Revisited J Trauma Acute Care Surg. 2017 05; 82(5):927-932. . View in PubMed

Severe injuries associated with skiing and snowboarding: A national trauma data bank study J Trauma Acute Care Surg. 2017 04; 82(4):781-786. . View in PubMed

Early pancreatic dysfunction after resection in trauma: An 18-year report from a Level I trauma center J Trauma Acute Care Surg. 2017 03; 82(3):528-533. . View in PubMed

J Trauma Acute Care Surg. 2017 03; 82(3):470-480. . View in PubMed

Non-iatrogenic esophageal injury: a retrospective analysis from the National Trauma Data Bank World J Emerg Surg. 2017; 12:19. . View in PubMed

The Role of Radio Frequency Detection System Embedded Surgical Sponges in Preventing Retained Surgical Sponges: A Prospective Evaluation in Patients Undergoing Emergency Surgery Ann Surg. 2016 Oct; 264(4):599-604. . View in PubMed

Intraosseous Infusion as a Bridge to Definitive Access Am Surg. 2016 Oct; 82(10):876-880. . View in PubMed

Do Antiplatelet and Anticoagulation Agents Matter after Repair of Traumatic Arterial Injuries? Am Surg. 2016 Oct; 82(10):968-972.. View in PubMed

Insulin-Treated Patients with Diabetes Mellitus Undergoing Emergency Abdominal Surgery Have Worse Outcomes than Patients Treated with Oral Agents World J Surg. 2016 Jul; 40(7):1575-82. . View in PubMed

Penetrating Neck Injury: What's In and What's Out? Ann Emerg Med. 2016 May; 67(5):578-80.. View in PubMed

Ovarian cancer screening and mortality in the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS): a randomised controlled trial Lancet. 2016 Mar 05; 387(10022):945-956. . View in PubMed

Isolated blunt severe traumatic brain injury in Bern, Switzerland, and the United States: A matched cohort study J Trauma Acute Care Surg. 2016 Feb; 80(2):296-301. . View in PubMed

The prognostic value of neutrophil-to-lymphocyte ratio on mortality in critically ill trauma patients J Trauma Acute Care Surg. 2016 11; 81(5):882-888. . View in PubMed

Isolated blunt pancreatic trauma: A benign injury? J Trauma Acute Care Surg. 2016 11; 81(5):855-859.. View in PubMed

The impact of pre-injury controlled substance use on clinical outcomes after trauma J Trauma Acute Care Surg. 2016 11; 81(5):913-920. . View in PubMed

The diagnostic yield of commonly used investigations in pelvic gunshot wounds J Trauma Acute Care Surg. 2016 10; 81(4):692-8. . View in PubMed

A high-volume trauma intensive care unit can be successfully staffed by advanced practitioners at night J Crit Care. 2016 06; 33:4-7. . View in PubMed

The utility of chest X-ray as a screening tool for blunt thoracic aortic injury Injury. 2016 Jan; 47(1):32-6. . View in PubMed

Air in the Belly: A Discussion of Abdominal Compartment Syndrome Ann Emerg Med. 2016 Jan; 67(1):17-9. . View in PubMed

Negative Finding From Computed Tomography of the Abdomen After Blunt Trauma JAMA Surg. 2015 Dec; 150(12):1194-5. . View in PubMed

Deep organ space infection after emergency bowel resection and anastomosis: The anatomic site does not matter J Trauma Acute Care Surg. 2015 Nov; 79(5):805-11. . View in PubMed

Isolated Blunt Duodenal Trauma: Simple Repair, Low Mortality Am Surg. 2015 Oct; 81(10):961-4. . View in PubMed

Candida Score as a Predictor of Worse Outcomes and Mortality in Severely Injured Trauma Patients with Positive Candida Cultures Am Surg. 2015 Oct; 81(10):1067-73. . View in PubMed

Serum transthyretin is a predictor of clinical outcomes in critically ill trauma patients Surgery. 2015 Aug; 158(2):438-44. . View in PubMed

2015 Aug; 79(2):188-92; discussion 192-3. . View in PubMed

Tourniquet use for civilian extremity trauma J Trauma Acute Care Surg. 2015 Aug; 79(2):232-7;quiz 332-3. . View in PubMed

Risk Algorithm Using Serial Biomarker Measurements Doubles the Number of Screen-Detected Cancers Compared With a Single-Threshold Rule in the United Kingdom Collaborative Trial of Ovarian Cancer Screening J Clin Oncol. 2015 Jun 20; 33(18):2062-71. . View in PubMed

Early versus delayed same-admission laparoscopic cholecystectomy for acute cholecystitis in elderly patients with comorbidities J Trauma Acute Care Surg. 2015 Apr; 78(4):801-7. . View in PubMed

Paraplegic and quadriplegic patients undergoing emergency abdominal surgery: sicker presentations, worse outcomes J Trauma Acute Care Surg. 2015 Apr; 78(4):808-15; quiz 893-4. . View in PubMed

Nonsuicidal self-injury-related foreign bodies in the emergency department Semin Ultrasound CT MR. 2015 Feb; 36(1):80-7. . View in PubMed

Prothrombin complex concentrate in trauma patients Am J Surg. 2015 Feb; 209(2):413-7. . View in PubMed

Management of patients with evisceration after abdominal stab wounds Am Surg. 2014 Oct; 80(10):984-8. . View in PubMed

Subtotal cholecystectomy and open total cholecystectomy: alternatives in complicated cholecystitis Am Surg. 2014 Oct; 80(10):953-5. . View in PubMed

The use of the anatomic 'zones' of the neck in the assessment of penetrating neck injury Am Surg. 2014 Oct; 80(10):970-4. . View in PubMed

Impact of smoking on trauma patients Ulus Travma Acil Cerrahi Derg. 2014 Jul; 20(4):248-52. . View in PubMed

PLoS One. 2014; 9(6):e100021. . View in PubMed

Biomarker-based ovarian carcinoma typing: a histologic investigation in the ovarian tumor tissue analysis consortium Cancer Epidemiol Biomarkers Prev. 2013 Oct; 22(10):1677-86. . View in PubMed

In vitro three-dimensional modeling of fallopian tube secretory epithelial cells BMC Cell Biol. 2013 Sep 27; 14:43. . View in PubMed

Hormone-receptor expression and ovarian cancer survival: an Ovarian Tumor Tissue Analysis consortium study Lancet Oncol. 2013 Aug; 14(9):853-62. . View in PubMed

Results of annual screening in phase I of the United Kingdom familial ovarian cancer screening study highlight the need for strict adherence to screening schedule J Clin Oncol. 2013 Jan 01; 31(1):49-57. . View in PubMed

Epigenetic analysis leads to identification of HNF1B as a subtype-specific susceptibility gene for ovarian cancer Nat Commun. 2013; 4:1628. . View in PubMed

Annual outpatient hysteroscopy and endometrial sampling (OHES) in HNPCC/Lynch syndrome (LS) Arch Gynecol Obstet. 2012 Dec; 286(6):1555-62. . View in PubMed

Diathermy-induced injury may affect detection of occult tubal lesions at risk-reducing salpingo-oophorectomy Int J Gynecol Cancer. 2012 Jun; 22(5):881-8. . View in PubMed

Modelling genetic and clinical heterogeneity in epithelial ovarian cancers Carcinogenesis. 2011 Oct; 32(10):1540-9. . View in PubMed

The emerging role of T cell immunoglobulin mucin-1 in the mechanism of liver ischemia and reperfusion injury in the mouse Hepatology. 2010 Apr; 51(4):1363-72. . View in PubMed

Senescent fibroblasts promote neoplastic transformation of partially transformed ovarian epithelial cells in a three-dimensional model of early stage ovarian cancer Neoplasia. 2010 Apr; 12(4):317-25. . View in PubMed

Acute care surgery after renal transplantation Am Surg. 2009 Oct; 75(10):882-6. . View in PubMed

Groin herniorrhaphy in patients with cirrhosis and after liver transplantation Am Surg. 2009 Oct; 75(10):962-5. . View in PubMed

The pharmacological chaperone 1-deoxygalactonojirimycin increases alpha-galactosidase A levels in Fabry patient cell lines J Inherit Metab Dis. 2009 Jun; 32(3):424-40. . View in PubMed

Blunt thoracic aortic injury Am Surg. 2008 Oct; 74(10):1033-7. . View in PubMed

Oxidation of ovarian epithelial cancer cells by hypochlorous acid enhances immunogenicity and stimulates T cells that recognize autologous primary tumor Clin Cancer Res. 2008 Aug 01; 14(15):4898-907. . View in PubMed

J Am Coll Surg. 2008 May; 206(5):1009-16; discussion 1016-8. . View in PubMed

Liver transplantation criteria for hepatocellular carcinoma should be expanded: a 22-year experience with 467 patients at UCLA Ann Surg. 2007 Sep; 246(3):502-9; discussion 509-11. . View in PubMed

Successful non-invasive ventilatory support in a patient with regimen-related toxicity during allogeneic bone marrow transplantation Bone Marrow Transplant. 1999 Apr; 23(8):833-4. . View in PubMed

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