Isabel Cristina Rojas Santamaria, MD
Pediatric Gastroenterologist
Associate Professor at UT Southwestern Medical Center
- Languages Spoken:
- English
Education and Training
- Medical School
- Colegio Mayor/Nuestra Senora del Rosario (1994)
- Residency
- University of Oklahoma College of Medicine -Tulsa (2008), Pediatrics
- Fellowship
- UT Southwestern - Children's Medical Center (2012), Pediatric GI/Nutrition
- Graduate School
- Fundacion Universitaria De Ciencias De La Salud (1996)
- Board Certification
- American Board of Pediatrics/Gastroenterology
Conditions
- Abdominal migraines
- Achalasia
- Alagille syndrome (ALGS)
- Alpha-1 antitrypsin deficiency (A1AT)
- Ascites
- Biliary atresia
- Celiac disease
- Chronic abdominal pain (stomach ache)
- Cirrhosis
- Colic
- Colon polyps
- Colorectal cancer (CRC)
- Constipation
- Crigler-Najjar syndrome
- Cyclic vomiting syndrome (CVS)
- Diarrhea
- Dubin-Johnson syndrome
- Dysphagia (swallowing disorder)
- Encopresis
- Esophageal stricture
- Failure to thrive (FTT)
- Familial adenomatous polyposis (FAP)
- Fecal incontinence
- Feeding disorder (PFD)
- Functional abdominal pain syndrome (FAPS)
- Gastroenteritis (stomache flu)
- Gastroesophageal reflux disease (GERD)
- Gastrointestinal (GI) bleeding
- Gilbert's syndrome
- Glycogen storage disease (GSD)
- Hemochromatosis
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hirschsprung's disease
- Intrahepatic cholestasis liver disease
- Irritable bowel syndrome (IBS)
- Lactose intolerance
- Liver (hepatic) tumors
- Liver failure
- Malabsorption
- Metabolic liver disease
- Microscopic colitis (lymphocytic colitis or collagenous colitis)
- Nausea and vomiting
- Necrotizing enterocolitis (NEC)
- Non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH)
- Pediatric H. pylori infection
- Peptic ulcer
- Rumination syndrome (merycism)
- Viral hepatitis
- Wilson's disease
Treatments
Departments and Programs
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Research Interests
- Pathophysiology of itching from liver disease
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Publications
Publications
- Capsule Endoscopy and Small Bowel Enteroscopy. Isabel Rojas, Bradley Barth Pediatric Gastrointestinal and Liver Disease 2020
- CD252 (OX40L)+ Antigen Presenting Cells are Present in the Active EoE Esophageal Epithelium. Lu D, Xue Y, Goyal A, Troendle DM, Parrish C, Bird A, Medina AL, Melo D, Barth B, Patel A, Rodriguez-Baez N, Rojas I, Sathe M, Spechler SJ, Souza RF, Gill M, Cheng E Gastroenterology 2020
- Efficacy of mTOR inhibitors in Juvenile Polyposis of Infancy. Yerlioglu D, Taylor H, Phen C, Ballauff A, Nedelkopoulou N, Spier I, Loverdos I, Busoni VB, Heise J, Dale P, De Meij T, Sweet K, Cohen M, Fox VL, Mas E, Aretz S, Eng Ch, Buderus S, Thomson M, Rojas I, Holm Uhlig, H NEJM 2020
Books
- Elevated Aminotransferases. In The NASPGHAN Fellows Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition, J. Sondheimer, C. Hurtado, eds. Rojas IC, Rodriguez-Baez N (2011). New York, Castle Connolly Graduate Medical Publishing, Ltd.
- Wilson Disease. In The NASPGHAN Fellows Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition, J. Sondheimer, C. Hurtado, eds. Rojas IC, Rodriguez-Baez N (2011). New York, Castle Connolly Graduate Medical Publishing, Ltd.
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Professional Activities
- American Association for the Study of Liver Diseases (2013)
- North America Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) (2009)
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Awards and Honors
- D Magazine Best Pediatric Specialist (2020)
- Intern best board review performance, Department of Pediatrics, University of Oklahoma (2005)
