Isabel Cristina Rojas Santamaria, MD
Pediatric Gastroenterologist
Assistant 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
- Alpha-1 Antitrypsin Deficiency (A1AT)
- Ascites
- Biliary Atresia
- Celiac Disease
- Chronic Abdominal Pain (Stomach Ache)
- Cirrhosis
- Colic
- Colon Polyps
- Colorectal Cancer
- Constipation
- Crigler-Najjar Syndrome
- Cyclic Vomiting Syndrome (CVS)
- Diarrhea
- Dubin-Johnson Syndrome
- Dysphagia (Swallowing Disorder)
- Encopresis
- Esophageal Strictures
- Failure to Thrive (FTT)
- Familial Adenomatous Polyposis (FAP)
- Fecal (Bowel) Incontinence
- Feeding Disorder
- Functional Abdominal Pain Syndrome (FAPS)
- GI Bleeding
- Gastroenteritis
- Gastroesophageal Reflux Disease (GERD)
- Gilbert's Disease
- Helicobacter Pylori (H. Pylori) Infection
- Hemochromatosis
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hirschsprung's Disease
- Intrahepatic Cholestasis Liver Diseases
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Liver (Hepatic) Tumors
- Liver Failure
- Malabsorption
- Metabolic Liver Disease
- Microscopic Colitis (Lymphocytic Colitis or Collagenous Colitis)
- Necrotizing Enterocolitis (NEC)
- Non-alcoholic Fatty Liver Disease (NAFLD) and Non-Alcoholic Steatohepatitis (NASH)
- Peptic Ulcer
- Rumination Syndrome
- Viral Hepatitis
- Vomiting and Nausea
- Wilson's Disease
Treatments
Departments and Programs
-
Research Interests
- Capsule endoscopy
- Cholestasis
- Pathophysiology of itching from liver disease
- Portal hypertension
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Publications
- Capsule Endoscopy and Small Bowel Enteroscopy. Isabel Rojas, Bradley Barth Pediatric Gastrointestinal and Liver Disease 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
- 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
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Professional Activities
- Collaborative Group of the Americas on Inherited Gastrointestinal Cancer
- International Society for Gastrointestinal Hereditary Tumours
- North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
- North Texas Latin American Physicians Association
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Awards and Honors
- D Magazine Best Pediatric Specialist 2020
- Intern best board review performance, Department of Pediatrics, University of Oklahoma