Ricardo A. Arbizu, MD, MS

Dr. Ricardo Arbizu is an Associate Professor of Pediatrics in the Division of Gastroenterology, Hepatology and Nutrition within the Department of Pediatrics at Baylor College of Medicine and a Gastroenterologist at Texas Children’s Hospital. He is also a member of the Neurogastroenterology and Motility Program where he cares for children and adolescents with gastrointestinal motility disorders.

As a clinician, he places patients and their families at the center of every medical decision, with the ultimate goal of helping children return to their normal activities. His approach to patient care emphasizes delivering the highest quality treatment by combining evidence-based practices, collaborating with multidisciplinary experts, and integrating his skills, experience, and clinical judgment with the latest advancements in medical research.

Dr. Arbizu is particularly focused on improving diagnostic and treatment strategies for complex motility disorders, striving to enhance both short-term relief and long-term quality of life for his patients. His research investigates how gastrointestinal motility testing can be utilized to guide treatment strategies and predict patient outcomes, with a commitment to advancing clinical practices that improve patient care and outcomes in pediatric gastroenterology.

Education

Organizations

Board Certifications

American Board of Pediatrics

American Board of Pediatric Gastroenterology, Hepatology and Nutrition

* Texas Children’s Hospital physicians’ licenses and credentials are reviewed prior to practicing at any of our facilities. Sections titled From the Doctor, Professional Organizations and Publications were provided by the physician’s office and were not verified by Texas Children’s Hospital.

Arbizu RA, Trauernicht S, Pinillos S, Nurko S, Rodriguez L. The Clinical Utility of Antroduodenal Manometry in the Evaluation of Children with Upper Gastrointestinal Symptoms. Journal of Pediatric Gastroenterology and Nutrition. 2023 Dec 1;77(6):734-740. doi: 10.1097/MPG.0000000000003956. Epub 2023 Sep 27. PMID: 37756372.

Arbizu RA, Rodriguez L. Electrogastrography, Breath Test, Ultrasonography, Transit Tests, SmartPill and Cine-MRI. Pediatric Neurogastroenterology: Gastrointestinal Motility and Functional Disorders in Children. 3rd ed. Ed. Christophe Faure et al. 2023. Waltham MA: Springer. 207-220.

Gershon EM, Rodriguez L, Arbizu RA. Hirschsprung's disease associated enterocolitis: A comprehensive review. World Journal of Clinical Pediatrics. 2023 Jun 9;12(3):68-76. doi: 10.5409/wjcp.v12.i3.68. PMID: 37342453

Arbizu RA, Amicangelo M, Rodriguez L, Nurko S. Can Propofol Be Used to Assess the Presence of the Rectoanal Inhibitory Reflex During Anorectal Manometry Studies? Journal of Pediatric Gastroenterology and Nutrition. 2022 Jan 1;74(1):33-37. doi: 10.1097/MPG.0000000000003283. PMID: 34478251.

Arbizu RA, Collins D, Wilson RC, Alekseyenko AV. Evidence for Differentiation of Colon Tissue Microbiota in Patients with and without Postoperative Hirschsprung's Associated Enterocolitis: A Pilot Study. Pediatric Gastroenterology, Hepatology and Nutrition. 2021 Jan;24(1):30-37. doi: 10.5223/pghn.2021.24.1.30. Epub 2021 Jan 8. PMID: 33505891

Arbizu RA, Nurko S, Heinz N, Amicangelo M, Rodriguez L. Same day versus next day antroduodenal manometry results in children with upper gastrointestinal symptoms: A prospective study. Neurogastroenterology & Motility. 2019 Mar;31(3):e13521. doi: 10.1111/nmo.13521. Epub 2018 Dec 11. PMID: 30537362.

Arbizu RA, Nurko S, Heinz N, Amicangelo M, Rodriguez L. Prospective evaluation of same day versus next day colon manometry results in children with medical refractory constipation.  Neurogastroenterology & Motility. 2017 Jul;29(7):10.1111/nmo.13050. doi: 10.1111/nmo.13050. Epub 2017 Mar 20. PMID: 28317231