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Department of Surgery

Surgery Faculty Research Interests


The research interests of our faculty members span the gamut of surgical subspecialties and research disciplines, including basic and translational research; clinical research, including investigator-initiated and industry-sponsored clinical trials; health services research, including quality and safety studies; and innovation and bioengineering. Listed below are the major areas of interest of our faculty members. For additional details, please see our current Surgical Research Catalog.


Faculty A-C


Iki Adachi, M.D.

  • Pediatric heart failure
  • Mechanical circulatory support
  • Myocardial recovery in children

Samir S. Awad, M.D., M.P.H.

  • Severe sepsis
  • Multisystem organ dysfunction
  • Outcomes

Swathi Balaji, Ph.D.

  • Mechanical tension
  • Murine models
  • Skin and lung fibrosis
  • Endothelial and endothelial progenitor cells


Omar Barakat, M.D.

  • Neuroendocrine tumors
  • Artificial liver


Neal Barshes, M.D.

  • Diabetic foot ulcers
  • Diabetic limb salvage
  • Infrainguinal bypass


Elizabeth Bonefas, M.D.

  • Breast cancer


Edward Buchanan, M.D.

  • Cleft lip and palate
  • Craniosynostosis
  • Craniofacial deformities


Bryan Burt, M.D.

  • Tumor immunology
  • Non-small cell lung cancer
  • Malignant pleural mesothelioma


Stacey Ann Carter, M.D.

  • Surgical Oncology
  • Breast Surgery
  • General Surgery


Philip W. Carrott, M.D.

  • Perioperative care and improvement
  • Clinical nutrition
  • Transplant donor management
  • Gastric ischemic conditioning prior to esophagectomy


Christy Chai, M.D.

  • Quality improvement
  • Psychoneuroimmunology
  • Preoperative optimization of cancer patients


Changyi 'Johnny' Chen, M.D., Ph.D.

  • Endothelial dysfunction and vascular disease
  • PLGA-PEI based nanotechnology
  • Pancreatic cancer


Louisa Chiu, M.D.

  • Benign biliary disease
  • Soft tissue lesions


Eugene Choi, M.D.

  • Metastasis
  • Cell signaling
  • Pancreatic cancer


Jayer Chung, M.D., M.Sc.

  • Diabetic foot
  • Lower extremity revascularization
  • Chronic critical limb ischemia


William E. Cohn, M.D.

  • Ventricular assist devices
  • Surgical instruments and devices


Lorraine D. Cornwell, M.D.

  • Thoracic oncology
  • Video-Assisted Thoracoscopic (VATS) lobectomy


Joseph S. Coselli, M.D.

  • Aortic valve disease
  • Connective tissue disorders – Marfan Syndrome
  • Thoracic aortic aneurysms and dissections


Ronald Cotton, M.D.

  • Hepatocellular carcinoma (HCC)
  • Genomic differences between Hepatitis B and Hepatitis C

Faculty D-K


Drew Davis, M.D.

  • Patient through-put in the emergency room setting


Xin-Hua Feng, Ph.D.

  • Tumorigenesis and metastasis
  • Stem cells and development
  • Cell signaling and protein modifications


William E. Fisher, M.D.

  • Pancreatic cancer
  • Gene sequencing
  • Clinical trials/outcomes/quality


O. Howard Frazier, M.D.

  • Ventricular assist devices
  • Mechanical circulatory support
  • Artificial heart


Nhu Thao Galvan, M.D., M.P.H.

  • Surgical Technique of Transplantation
  • Additive Bioengineering in Transplantation
  • Hepatobiliary Surgery


Ravi Kiran Ghanta, M.D.

  • Adult Cardiac Surgery
  • Heart Failure
  • Heart Transplantation
  • Aortic Surgery


Ramyar Gilani, M.D.

  • Vascular surgery and endovascular interventions
  • New paradigms in hemorrhage control
  • Blood vessel prosthesis implantation


Stephanie Gordy, M.D.

  • Surgical Sepsis
  • Critical Care Nutrition
  • Hemostatic Dressings
  • Spinal Cord Trauma and Timing of Tracheostomy
  • Advance Directives in the ICU
  • Post Rib Fracture Disability


John A. Goss, M.D.

  • Liver transplantation
  • Hepatobiliary surgery
  • Cirrhosis
  • Portal hypertension
  • Portosystemic shunts
  • Sugiura procedure
  • Intraoperative RFA


Shawn Groth, M.D.

  • Thoracic Surgery
  • Outcome Assessment (Health Care)
  • Translational Medical Research

Natasha Hansraj, M.D.

  • Limb salvage
  • Tibial intervention
  • Cerebrovascular disease

Jeffrey Stephen Heinle, M.D.

  • Cerebral and myocardial protection during cardiac surgery
  • Early extubation following congenital heart surgery
  • Congenital heart surgery


Juliet Holder-Haynes, M.D.

  • Adult and adolescent obesity


Larry H. Hollier, M.D.

  • Reconstructive surgery
  • Mandibular fractures
  • Distraction osteogenesis


Cary Hsu, M.D.

  • Cancer biology
  • Cancer immunotherapy
  • Clinical outcomes


Amy Dao Huynh-Tran, D.D.S.

  • Children with developmental differences
  • Pediatric plastic surgery


Atif Iqbal, M.D.

  • Health-science research
  • Outcomes research
  • Colorectal cancer research


Prasun Jalal, M.D.

  • Hepatitis
  • Liver transplantation
  • Liver cancer
  • Fatty Liver Disease
  • Gastroenterology


Peter Jindra, Ph.D.

  • Anti-HLA antibodies
  • Hematopoietic stem sell transplantation
  • microRNA in the immune system


Sundeep Keswani, M.D.

  • Fetal Diagnosis and Therapy
  • Wound Healing
  • Regenerative Medicine


Saira A. Khaderi, M.D., M.P.H.

  • Hepatitis
  • Hepatocellular carcinoma
  • Portopulmonary HTN
  • Project ECHO
  • Liver transplant outcomes


Alice King, M.D.

  • Fetal surgery
  • Congenital lung malformation
  • Congenital diaphragmatic hernia


Pawel Jan Kolodziejski, M.D.

  • Pulmonary hypertension
  • Proteasomes
  • Nitric oxide


Panagiotis Kougias, M.D.

  • Endovascular treatment abdominal aortic aneurysms
  • Systems re-design and health care delivery optimization
  • Carotid endarterectomy and stenting


SreyRam Kuy, M.D., M.H.S.

  • Quality
  • Healthcare policy
  • Outcomes



Faculty L-O


David S. Lee, M.D.

  • Advanced Laparoscopy
  • Anti-reflux surgery


Timothy C. Lee, M.D.

  • ECMO
  • Congenital diaphragmatic hernia
  • Gastroschisis


Scott A. Lemaire, M.D.

  • Aortic aneurysm
  • Thoracic aortic surgery
  • Aortic dissection


Brian D. Lepow, D.P.M.

  • Diabetic foot
  • Wound care
  • Foot/ankle surgery
  • Peripheral Vascular Disease
  • Limb salvage and reconstructive surgery


George V. Letsou, M.D.

  • Off-pump coronary artery bypass surgery
  • Coronary artery disease
  • Heart failure


Kaiyi 'Kelly' LI, Ph.D.

  • DNA Repair
  • Mechanisms for cancer formation
  • Personalized cancer treatment


Kenneth K Liao, M.D., Ph.D.

  • Valve surgery
  • Heart transplantation
  • Ventricular assist devices


Xia Lin, Ph.D.

  • Cancer
  • Diabetes
  • TGF-beta


Gabriel Loor, M.D., FACC

  • Heart and Lung Transplant
  • Mechanical assist devices
  • Ex-vivo lung perfusion (EVLP)
  • Coronary artery revascularization
  • Arrythmia surgery
  • Thoracic Endovascular Aortic Repair (TEVAR)
  • Percutaneous valve replacement (TAVR)
  • Aortic dissection repair
  • Aortic aneurysm repair


Michele Loor, M.D.

  • Surgical critical care
  • Surgical infections
  • Enterocutaneous fistulas


Monica E. Lopez, M.D.

  • Pediatric surgical clinical outcomes


Jian-Ming Lu, M.D.

  • Nanoparticle drug delivery
  • Cardiovascular disease
  • Pancreatic Cancer
  • Oxidative stress, Free radicals and Antioxidants


Konstantinos Makris, M.D.

  • Benign foregut diseases
  • Endocrine Surgery


Nader Massarweh, M.D., M.P.H.

  • Health services
  • Health policy
  • Surgical quality improvement
  • Cancer outcomes

Samer Mattar, M.D.

  • Metabolic surgery
  • Clinical outcomes
  • Radiofrequency energy
  • Cryotherapy

Megumi Mathison, Ph.D.

  • Cardiovascular disease
  • Cardiac regeneration
  • Cardiac cellular reprogramming


Mark Mazziotti, M.D.

  • Minimally-invasive pectus excavatum repair
  • Advanced minimally-invasive and robotic general pediatric surgery
  • Choledochal cyst laparoscopic excision


Allen L Milewicz, M.D.

  • Skeletal malformations of the chest
  • Hepatobiliary disorders


Joseph L. Mills Sr., M.D.

  • Noninvasive diagnosis
  • Vein graft stenosis
  • Intimal hyperplasia and limb-salvage
  • Diabetes mellitus


Laura Monson, M.D.

  • Clinical outcomes
  • Quality of life
  • Cleft lip and palate


Miguel Montero-Baker, M.D.

  • Critical limb ischemia
  • Endovascular
  • Implantable technology


Bindi Naik-Mathuria, M.D.

  • Pediatric trauma
  • Pediatric oncology
  • Congenital anorectal malformations and gastrointestinal anomalies


Bijan Najafi, Ph.D., MSc.

  • Wearable technology
  • Movement science
  • Digital health


Jed G. Nuchtern, M.D.

  • Neuroblastoma in infants
  • Tumor progression
  • Cancer target discovery


Christine A. O'Mahony, M.D.

  • Liver transplantation
  • Bile duct resections
  • Intraoperative RFA
  • Kidney transplantation
  • Portosystemic shunts
  • Hepatobiliary surgery


Claire F. Ozaki, M.D.

  • Acute Care Surgery
  • General Surgery

Faculty P-Z


Ourania Preventza, M.D.

  • Surgical outcomes
  • Aortic surgery
  • Valvular and thoracic aortic disease


Abbas Rana, M.D.

  • Liver transplantation
  • Bile duct resections
  • Intraoperative RFA
  • Kidney transplantation
  • Portosystemic shunts
  • Hepatobiliary surgery


Edward Reece, M.D.

  • Carpal Tunnel Release
  • Hand surgery
  • Brachial Plexus surgery
  • Complex Reconstruction
  • Aesthetic surgery
  • Lower extremity surgery
  • Breast Reconstruction
  • Facial Plastic surgery
  • Laser Resurfacing
  • Facial Reconstruction


Robert Taylor Ripley, M.D.

  • BH3 profiling
  • Metabolomics
  • Thoracic oncology


Yesenia Rojas-Khalil, M.D.

  • Colon and rectal cancer
  • Inflammatory bowel disease
  • Pelvic floor disorders


Todd K. Rosengart, M.D.

  • Gene therapy
  • Cellular reprogramming
  • Angiogenesis


Sohail Shah, M.D.

  • Pediatric surgery outcomes
  • Patient-centered outcomes
  • Healthcare delivery


Hu-Ying Shen, Ph.D.

  • Vascular biology
  • Vascular disease
  • Diabetes

Crystal S. Shin, Ph.D.

  • Drug delivery
  • Nanomedicine
  • Biopolymer engineering


Eric J. Silberfein, M.D.

  • Natural history of solid organ tumors
  • Therapy of solid organ malignancy
  • Cancer in minority populations


Gagan K. Sood, M.D.

  • Ascites
  • Cirrhosis
  • Hepatitis
  • Hepatocellular carcinoma
  • Non-alcoholic fatty liver disease
  • Portal hypertension
  • Wilson's disease


Robert Ellis Southard, M.D.

  • Trauma
  • Immune function
  • Infection


Risë Stribling, M.D.

  • Abdominal paracentesis
  • Acute and chronic liver disease
  • Cirrhosis
  • Hepatitis
  • Liver transplantation
  • Hepatocellular carcinoma


James W. Suliburk, M.D.

  • Mobile Technology
  • Clinical outcomes
  • Patient safety and quality in underserved populations


Norman L. Sussman, M.D.

  • Acute liver failure
  • Artificial liver support
  • Cirrhosis
  • Hepatitis


Alastair Thompson, M.D.

  • DCIS 
  • Triple Negative Breast Cancer 
  • Clinical translational trials

Galina Toniva, M.D.

  • Myocardial depression in septic shock


Barbara Wells Trautner, M.D., Ph.D.

  • Urinary tract infections
  • Healthcare-associated infections
  • Antimicrobial stewardship


George Van Buren, II, M.D.

  • Pancreatic cancer
  • Gastrointestinal malignancies
  • Whipple procedure


Sanjeev Vasudevan, M.D.

  • Pediatric surgical oncology
  • Neuroblastoma
  • Pediatric liver cancer
  • p53 regulation, and MYCN tumorigenesis


R. Mario Vera, M.D.

  • Trauma surgery
  • General surgery
  • Acute care surgery
  • Critical care


John M. Vierling, M.D.

  • Acute liver failure
  • Alcoholic and non-alcoholic fatty liver diseases
  • Alpha-1-antitrypsin deficiency
  • Hepatitis
  • Cholangiocarcinoma
  • Cirrhosis
  • Hepatocellular carcinoma
  • Wilson's disease


Adam Vogel, M.D.

  • Pediatric general surgery
  • Pediatric thoracic surgery


David Wesson, M.D.

  • Pediatric trauma
  • Pediatric injury prevention
  • GI disorders


Chad T. Wilson, M.D.

  • Trauma
  • Clinical Outcomes
  • Education
  • Disparities
  • Surgical Global Health


John Wirthlin, D.D.S., M.S.D.

  • Craniofacial development
  • Pre-surgical infant orthopedics
  • Cleft lip and palate orthodontics


Sarah E. Woodfield, Ph.D.

  • Pediatric liver cancer


Qizhi 'Cathy' Yao, M.D., Ph.D.

  • HIV vaccines
  • Pancreatic cancer pathogenesis
  • Nanoparticle targeted delivery