Intestine Team

Credentials:

MD:
Universidad Nacional de Panama School of Medicine, Panama City, Panama
Internship:
General Medicine, Social Security System Hospital Complex, Panama City, Panama and General Medicine, Integrated Health System of Province of Cocle Penonome, Province of Cocle, Panama
Residency:
Pediatrics, Hospital del Nino de Panama, Panama City, Panama and Pediatrics, Thomas Jefferson University, Philadelphia, PA
Fellowship:
Gastroenterology Clinical Fellowship, UCLA School of Medicine, Los Angeles, CA and Gastroenterology Advanced Clinical Fellowship, UCLA School of Medicine, Los Angeles, CA
Phone: 402.559.5000
Fax: 402.559.3434

Dr. Ruben Quiros joined the transplant team as Medical Director of Pediatric Liver and Intestinal Transplantation and Chief of Pediatric Gastroenterology, Hepatology and Nutrition in 2009. He received his medical degree from Universidad Nacional de Panama School of Medicine, Panama City, Panama and completed fellowships at the UCLA School of Medicine in both Clinical and Advanced Clinical Gastroenterology and Transplant Hepatology.

Prior to joining the University of Nebraska Medical Center, he served as Medical Director of Pediatric Liver and Intestinal Transplantation, Director of Pediatric Hepatology and Co-Director of Intestinal Rehabilitation and Transplant Center at Children's Memorial Hermann Hospital/University of Texas, Houston, TX.

Dr. Quiros specializes in the care of patients with liver disease, obesity-related liver disease, short bowel syndrome, Total Parental Nutrition and those in need of liver and intestinal transplantation. He is board certified in Pediatrics, Pediatric Gastroenterology and Transplant Hepatology.

Awards & Honors

  • 1986: Certificate of Merit - Association of Medical Students of the University of Panama
  • 1986-1987: Outstanding Intern (Internship I) , Cumulative Grade Score Average 94.8/100
  • 1987-1988: Outstanding Intern (Internship II) , Cumulative Grade Score Average 94.5/100
  • 1994-1995: Herman Roseblum Award, Pediatric Resident Graduate for Excellence, Thomas Jefferson University
  • 2007-2008: Dean's Teaching Excellence Award , University of Texas Health Science Center at Houston

Research

  • Treatment Of Nonalcoholic Fatty Liver Disease With Vitamin E Supplementation In Children. The main purpose of this study is to test the efficacy of vitamin E (a-tocopherol) supplementation on nonalcoholic fatty liver disease (NAFLD). GCRC-Baylor College of Medicine and University of Texas at Houston.
    Role: Principal Investigator

Publications, Most Recent:

Chapters:

  • Quiros-Tejeira RE. Overview of Hepatitis A virus infection in Children. In: UpToDate, Rose BD (Editor), UpToDate, Waltham, MA 2013.
  • Palomo PJ, Quiros-Tejeira RE, Wheelock L. Section 9 - Diagnostic Tests: Radiology Evaluation. In: The NASPGHAN Fellows Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition; Sondheimer JM & Waasdorp Hurtado C (Editors), Castle Connolly Graduate Medical Publishing, Ltd, New York, NY 2011: 487-492.
  • Quiros-Tejeira RE. Genetics & Metabolic Disorders of the Liver. In: Nestle Nutrition Institute Workshop LATAM, Vol. 2 (Pediatric Program) - Nutrition and Diseases of the Digestive Tract in Children; Larrosa-Haro A & Vasquez-Garibay EM (Editors), Nestle Nutrition Institute, USA 2011: 227-245 (Spanish).
  • Zapata F, Quiros-Tejeira RE, Fernandez C, Lester K, Chatterjee A, Hassink SG. Chapter 60 - New Directions in Childhood Obesity. In Obesity: Epidemiology, Pathophysiology, and Prevention (2nd Edition); Bagchi D & Preuss HG (Editors), Taylor & Francis Group, Boca Raton, FL 2012: 903-918.

Abstracts, Most Recent:

  • Fischer R, Moustakes A, Talmon G, Mercer D, Quiros-Tejeira RE, Langnas A, Sarvetnick N. Intestinal Allograft Rejection Characterized by Elevations in Tumor Necrosis Factor-Alpha Levels. J Pediatr Gastroenterol Nutr 2011; 53(Suppl.1): E32-33. Presented at the annual meeting of the NASPGHAN in Orlando, FL October, 2011.
  • Lirio R, Trauernicht A, Chaplin R, Mercer D, Grant G, Quiros-Tejeira RE. Utility of Procalcitonin in Determining Infection in Pediatric Liver-Small Bowel Transplant and Intestinal Rehabilitation Patients. J Pediatr Gastroenterol Nutr 2012; 55(Suppl.1): E25. Presented at the annual meeting of the NASPGHAN in Boston, MA October, 2012.
  • Shelby S, Hammel J, Rangamani S, Kutty S, Danford D, Quiros-Tejeira RE. Comparative Efficacy of Maternal Skimmed Breast Milk and Alternative Low-Fat Formula in Post-Surgical Chylothorax. J Pediatr Gastroenterol Nutr 2012; 55(Suppl.1): E95-96. Presented at the annual meeting of the NASPGHAN in Boston, MA October, 2012.
  • Shelby S, Choudhry O, Killefer H, Quiros-Tejeira RE, Trauernicht, A. Inflammatory Bowel Disease Masquerading as Acute Infection with Rapid Multi‐System Involvement. E-publication (Clinical Vignette): www.jpgn.org. Presented at the annual meeting of the NASPGHAN in Boston, MA October 2012.
  • Lirio R, Fischer R, Zapata F, Dumitru I, Fletcher S, Antonson D, Hammel J, Mercer D, Grant W, Langnas A, Quiros‐Tejeira RE. Combined Heart‐Liver Transplant for Failing Fontan and Cardiac Cirrhosis. E-publication (Clinical Vignette): www.jpgn.org. Presented at the annual meeting of the NASPGHAN in Boston, MA October 2012.
  • Shelby S, Peng Q, Renner R, Li L, Scott C, Meckelburg M, Fletcher SE, Kugler J, Duncan KF, Quiros-Tejeira RE, Danford DA, Kutty S. Assessment of the Liver in Patients with Fontan Physiology using Ultrasonic Shear Wave Elastography. J Am Coll Cardiol. 2013; 61(10): E484. Presented at the 62nd Annual Scientific Meeting of the American College of Cardiology. San Francisco, CA. March 9-11, 2013.

Presentations, Most Recent:

  • "Genetic and Metabolic Disorders" presented at the Liver Session II Workshop LATAM-NESTLE Nutrition Institute. November 6, 2010. Cancun, Mexico.
  • "Intestinal Rehabilitation and Transplantation: Where Are We Now? presented at Pediatric Grand Rounds Neonatal-Perinatal Section at The University of Oklahoma Health Sciences Center. December 9, 2010. Oklahoma City, OK.
  • "Cholestasis in Parenteral Nutrition: Are Omega-3 the Answer?" presented at the IV Colombian and Caribbean Congress: Digestive Disease in Children. April 8, 2011. Santa Marta, Colombia.
  • "Questions to Answer in Short Bowel Syndrome" presented at the IV Colombian and Caribbean Congress: Digestive Disease in Children. April 8, 2011. Santa Marta, Colombia.
  • "Liver Transplantation in AGS: Indications & Outcomes" presented at the 5th International Symposium on Alagille Syndrome (AGS 2011). June 25, 2011. Chicago, IL.
  • "Renal Health in AGS: From Infancy through Adulthood" presented at the 5th International Symposium on Alagille Syndrome (AGS 2011). June 25, 2011. Chicago, IL.
  • "Fatty Liver Disease in Children" presented at the 12th Annual International Hot Topics in Liver Disease Conference. The St. Regis Houston. October 15, 2011. Houston, TX.
  • "Hepatitis Autoimmune" presented at the XVIII Meeting of the Latin American Society for Pediatric Gastroenterology, Hepatology and Nutrition (LASPGHAN). November 17, 2011. Punta Cana, Dominican Republic.
  • "Plenary Sesion 8 in Gastroenterology" Moderator at the XVIII Meeting of the Latin American Society for Pediatric Gastroenterology, Hepatology and Nutrition (LASPGHAN). November 19, 2011. Punta Cana, Dominican Republic.
  • "Molecular & Serological Tests in Viral Hepatitis" presented at the XVIII Meeting of the Latin American Society for Pediatric Gastroenterology, Hepatology and Nutrition (LASPGHAN). November 19, 2011. Punta Cana, Dominican Republic.
  • "Neonatal Cholestasis" presented at the III Central American Congress of Neonatology. November 22, 2011. San Salvador, El Salvador.
  • "Inflammatory Bowel Disease in Pediatrics" presented at the IV MesoAmerican & Caribbean Congress of Pediatrics. November 22, 2011. San Salvador, El Salvador.
  • "Update in Non-Alcoholic Steatohepatitis in Children" presented at the IV MesoAmerican & Caribbean Congress of Pediatrics. November 23, 2011. San Salvador, El Salvador.
  • "Fatty Liver" presented at the Pediatric Gastroenterology and Nutrition Module at the XXXII National Congress of Pediatrics. April 28th, 2012. Mexico City, Mexico.
  • "Metabolic Diseases" presented at the Pediatric Gastroenterology and Nutrition Module at the XXXII National Congress of Pediatrics. April 28th, 2012. Mexico City, Mexico.
  • "Hepatic Steatosis: Clinical Cases" presented at the VIII Symposium of Pediatric Gastroenterology, Nutrition and Endoscopy. September 7, 2012. Bucaramanga, Colombia.
  • "Interpretation of Liver Function Tests: Clinical Cases" presented at the VIII Symposium of Pediatric Gastroenterology, Nutrition and Endoscopy. September 7, 2012. Bucaramanga, Colombia.
  • "Neonatal Cholestasis: Clinical Cases" presented at the VIII Symposium of Pediatric Gastroenterology, Nutrition and Endoscopy. September 7, 2012. Bucaramanga, Colombia.
  • "Pediatric GERD/H. Pylori" presented at Doctors Hospital at Renaissance 4th Annual Medical Education Conference. September 22, 2012. South Padre Island, Texas.
  • "Nutritional Support in Pediatric Liver & Intestinal Transplantation" presented at the I International Congress of Pediatric Clinical Nutrition. April 12, 2013. Bogota, Colombia.
  • "Lessons to Avoid Hepatic Injury in Pediatric Intestinal Rehabilitation" presented at the lll Conference of Pediatric Gastroenterology & Nutrition - Region V Chile. April 13, 2013. Vina del Mar, Chile.
  • "Non-Alcoholic Steatohepatitis: Influence of Diet and Genes" presented at the lll Conference of Pediatric Gastroenterology & Nutrition - Region V Chile. April 13, 2013. Viña del Mar, Chile.

Professional Organization Memberships:

  • 1986-Present: Association of Medical Students of the University of Panama (Honorary Member)
  • 1986-Present: National Medical Association of Panama
  • 1993-Present: Panamanian Pediatric Society
  • 1993-Present: American Academic of Pediatrics - AAP (Fellow - FAAP)
  • 1994-Present: American Medical Association - AMA (Fellow)
  • 1995-Present: Jefferson Medical College Alumni Association
  • 1998-Present: North American Society for Pediatric Gastroenterology, Hepatology and Nutrition(NASPGHAN)
  • 2002-Present: International Liver Transplantation Society (ILTS)
  • 2002-Present: American Gastroenterological Association (AGA)
  • 2003-Present: The American Association for the Study of Liver Disease (AASLD)
  • 2004-Present: American Society of Transplantation (AST)
  • 2005-Present: American Association for the Advancement of Science (AAAS)
  • 2005-Present: American Board of Hospital Physicians (Fellow - FABHP)
  • 2005-Present: American College of Ethical Physicians
  • 2005-Present: International Pediatric Transplant Association (IPTA)
  • 2009-Present: Association of Pediatric Program Directors (APPD)
  • 2011-Present: American Society for Parenteral & Enteral Nutrition (ASPEN)

Other Memberships:

  • 2004- Present: Alagille Syndrome Alliance (National)
  • 2009-Present: Cronh's & Colitis Foundation of America (CCFA) - Omaha Chapter
  • 2010-Present: NASPGHAN - Obesity Task Force
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