Dr. Guilherme H. Costa

Abhinav Humar, MD, is the clinical director of the Thomas E. Starzl Transplantation Institute and chief of UPMC Transplant Services. He received his medical degree from the University of Ottawa where he also completed his general surgical residency. He completed his surgical fellowship in transplantation at the University of Minnesota. Dr. Humar is a member of the American Society of Transplant Surgeons and the International Liver Transplantation Society with more than 600 abstracts accepted at national and international transplant meetings and has co-authored more than 200 manuscripts, 30 book chapters and two books. Dr. Humar’s clinical interests include living donor and split liver transplants and studies of hepatic regeneration. View Dr. Humar’s full list of publications from PubMed. Dr. Humar is rated as a Distinguished provider by MediFind in Liver Transplant. His top areas of expertise are Liver Failure, Fibrolamellar Carcinoma, Hepatitis, Liver Transplant, and Kidney Transplant.

Christopher Hughes, MD, FACS is the surgical director of the UPMC Liver Transplant Program and is certified in liver transplantation and hepatobiliary by the American Board of Surgery. He is an associate professor of surgery at the University of Pittsburgh School of Medicine. Dr. Hughes received his medical degree from the University of Tennessee College of Medicine where he also completed his residency in general surgery. He completed his fellowship in transplantation surgery at Mayo Clinic in Rochester, Minn. Dr. Hughes’s clinical interests include liver transplantation and hepatobiliary surgery with a focus on infectious disease in solid organ transplantation. View Dr. Hughes’s full list of publications from PubMed. Dr. Hughes is rated as a Distinguished provider by MediFind in Liver Transplant. His top areas of expertise are Liver Failure, Hepatitis, Visceromegaly, Liver Transplant, and Liver Embolization.

George V. Mazariegos, MD, FACS, specializes in pediatric transplant surgery at UPMC Children’s Hospital of Pittsburgh. He is certified by the American College of Surgeons and is chief of Pediatric Transplantation at UPMC while holding the title of Jamie Lee Curtis Chair in Transplantation Surgery. He received his medical degree from Northwestern University Medical School, completed his residency at Michigan State University, followed by fellowships at UPMC in critical care medicine, and the Thomas E. Starzl fellowship in transplantation, hepatic, and multivisceral transplantation. Dr. Mazariegos’ clinical interests include treatment of pediatric patients who have liver and intestinal disease that require transplantation or hepatobiliary surgery. He is a member of the Society of University Surgeons, the American Surgical Association, and the Pediatric Committee of the International Liver Transplant Society. He and colleagues recently founded the Starzl Network for Excellence in Pediatric Transplantation, a learning health system focused on accelerating innovation and patient centered care in pediatric transplantation. Dr. Mazariegos lives in Oakland with his wife and three children. View Dr. Mazariegos's full list of publications from PubMed. Dr. Mazariegos is rated as a Distinguished provider by MediFind in Liver Transplant. His top areas of expertise are Crigler-Najjar Syndrome, Biliary Atresia, Dihydrolipoamide Dehydrogenase Deficiency, Liver Transplant, and Small Bowel Resection.