Alejandro Llanos Chea, M.D.

Associate Professor

Schools: Medical School
Departments: Pediatrics

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Education

Medical School: Universidad Peruana Cayetano Heredia/Peru (2009)
Residency: John H. Stroger Jr. Hospital of Cook County (2015), Pediatrics
Fellowship: Massachusetts General Hospital (2018), Pediatric Gastroenterology

Publications

Physiology of gastroesophageal reflux in the neonate: Pottorff A, Ortigoza EB, Sanghavi R, Llanos-Chea A Seminars in Perinatology 2026 Mar 50
Approach to Patients With Gastrointestinal Tract Infections and Food Poisoning: Ochoa TJ, Llanos-Chea A 2025 Jan 1-2 447-470.e10
Ineffective esophageal motility: Characterization and outcomes across pediatric neurogastroenterology and motility centers in the United States: Davis TA, Rogers BD, Llanos-Chea A, Krasaelap A, Banks D, Ambartsumyan L, Sanchez RE, Yacob D, Baker C, Rey AP, Desai C, Rottier A, Jayaraman M, Khorrami C, Dorfman L, El-Chammas K, Mansi S, Chiou E, Chumpitazi BP, Balakrishnan K, Puri NB, Rodriguez L, Garza JM, Saps M, Gyawali CP, Patel D Journal of pediatric gastroenterology and nutrition 2024 Sep 79 541-549
COVID-19 and the gastrointestinal tract in children: Riera-Canales C, Llanos-Chea A Current opinion in pediatrics 2023 Oct 35 585-589
Eosinophilic Esophagitis after Pediatric Hematopoietic Stem Cell Transplantation: Cheung D, Katz DT, Webster-Carrion A, Saad AG, Fifi A, Llanos-Chea A, Pillai AB Journal of pediatric gastroenterology and nutrition 2022 Dec 75 E117-E118
Probiotics for treatment of chronic constipation in children: Wallace C, Sinopoulou V, Gordon M, Akobeng AK, Llanos-Chea A, Hungria G, Febo-Rodriguez L, Fifi A, Fernandez Valdes L, Langshaw A, Saps M Cochrane Database of Systematic Reviews 2022 Mar 2022
Anorectal Disorders in the Era of Telemedicine: Katz DT, Saps M, Llanos-Chea A, Febo-Rodriguez L Journal of pediatric gastroenterology and nutrition 2022 Feb 74 E40-E41
Lymphoma in Pediatric-Onset Inflammatory Bowel Disease Treated with Infliximab Monotherapy: A Case Series: Llanos-Chea A, Shapiro JM, Winter RW, Jerger L, Menz T, Gibson M, Friedmann AM, Treaba D, Papamichael K, Cheifetz AS, Friedman S, Hamilton MJ, Winter HS Digestive Diseases and Sciences 2022 Jan 67 252-258
A Versatile Human Intestinal Organoid-Derived Epithelial Monolayer Model for the Study of Enteric Pathogens: Nickerson KP, Llanos-Chea A, Ingano L, Serena G, Miranda-Ribera A, Perlman M, Lima R, Sztein MB, Fasano A, Senger S, Faherty CS Microbiology Spectrum 2021 Sep 9 1-17
Utility of the Brussels Infant and Toddler Stool Scale (BITSS) and Bristol Stool Scale in non-toilet-trained children: A large comparative study: Velasco-Benitez CA, Llanos-Chea A, Saps M Neurogastroenterology and Motility 2021 Aug 33