Dra. Alexia Santos

Especialidad: Cardiología Pediátrica
País: Estados Unidos / Panamá / El Salvador

Educación superior y especialidad:

  • Título de Medica – Universidad Francisco Marroquín, Guatemala, Centro America
  • Pediatria General – University of Illinois at Chicago
  • Cardiologia Pediatrica – Nationwide Childrens Hospital – Ohio State University
  • Especialidad en imagen cardiovascular avanzada – Medical University of South Carolina
  • Maestria en Salud Publica – University of Illinois at Chicago

Experiencia laboral:

  • 2022-presente…Profesora Asociada, University of Texas, Memorial Hermann Hospital
  • 2007-2022  Profesora Asistente, Baylor College of Medicine, Texas Children’s Hospital
  • Instructora Clinic, Medical University of South Carolina 2006-2007


  • American Heart Association
  • American Society of Echocardigraph
  • American College of Cardiology
  • Texas Medical Board
  • Colegio de Medicos y cirujanos de Guatemala

Distinciones y publicaciones:

Invited Lectures

  • Fetal Arrhythmias
    National Symposium of Fetal Ultrasound.  Monterrey, Mexico October 2022
  • Pediatric Cardiology Pearls for the General Pediatrician. October 2022 Quito, Ecuador
  • “Ecocardiografía fetal en el Segundo Trimestre”. July 2022
    Primer Seminario Internacional de Ultrasonido en Medicina Fetal. Monterrey, Mexico
  • Pediatric Echocardiography – Overview and Clinical Applications. March 2022
    Ultrasound training at the Patrick Payton Health Centre. Arusha, Tanzania
  • “Manejo del Niño Crítico post Cirugía del Corazón” August 2021
    XXI Congreso Internacional de Pediatria de la SEEP Pichincha, Ecuador
  • Diagnostic Potpourri of Diagnostic November 2020
    Fetal and Pediatric Echocardiography National Congress of Neonatology and Pediatrics El Salvador, Central America
  • POCUS Workshop Texas Children’s Hospital February 2020
  • Ventilation and Point of Care Ultrasound (POCUS) November 2019
    Pediatric Critical Care Summit of the Americas
  • The Hybrid Approach to Single Ventricle Palliation. January 2007
    Baylor College of Medicine


  • Katherine Hwu, Eric Chiou, Stephanie Sisley, Ann Scheimann, Alexia Santos. ZEPHYR. Clinical Trial Protocol AZP01-CL1-003, Millendo Therapeutics.  A Phase 2b/3 study to evaluate the safety, tolerability, and effects of Livoletide (AZP-531), an unacylated ghrelin analog, on food-related behaviors in patients with Prader-Willi syndrome.  Approximately 25 sites in Europe and North America.
  • Josh Kailin, Alexia B Santos, Betul Yilmaz Furtum, Kristen Sexson Tejtel, Reginal Lantin-Hermoso.  Isolated Coarctation of the Aorta in the Fetus: A Diagnostic Challenge.  Echocardiography.  2017 Dec;34(12):1768-1775. Doi: 10.1111/echo.13578.
  • McKenzie EDKhan MSSamayoa AXVener DSIshak YMSantos ABHeinle JSFraser CD Jr.  The Blalock-Taussig Shunt Revisited: A Contemporary Experience.
  • J Am Coll Surg. 2013 Feb 12. pii: S1072-7515(12)01432-9.
  • Dean McKenzie MD, Muhammad S. Khan MD, Andres X. Samayoa MD, Daniel S. Vener BS, Youstina M. Ishak BS, Alexia B. Santos MD, Jeffrey S. Heinle MD, Charles D Fraser Jr MD. The Blalock-Taussig Shunt Revisited: A Contemporary Experience. Presented as oral presentation at the 2012 Annual Meeting of the Southern Surgical Association December 2-5, 2012, Palm Beach, Florida, USA.
  • Morris S, Choi G, Santos A, Lantin-Hermoso R, Xie M, Wu J, Doucet J, Ge S.  Comparison of 2D Qualitative and 3D Quantitative Echocardiographic Methods in Evaluation of Cardiac Function in Children with Single Ventricle Defects.  J Am Soc Echocardiogr 22(5):607, 2009.
  • Santos A, Lantin-Hermoso R, Ayres N, Ge S. Utility of fetal full volume three-dimensional echocardiography.  J Am Soc Echocardiogr 21(5):569, 2008.
  • Santos A, Galantowicz M, Feltes T, Hoffman T. Abstract 2629: The Hybrid Comprehensive Stage 2 Palliation: Peri-Operative Results.  Circulation.  2006;114:II_545.
  • Santos AB, Velasco RF, Blanco RA, Berganza ER, Andretta GE: “Serum Leptin Levels, Body Mass Index and Tricipital Skin Fold: A Comparison between Obese and Normal Weight Children from Guatemala”.  XX Central American and Caribbean, Congress of Pediatrics.  Panama, 1998.


  • TCH Book of Congenital Heart Disease. May 2020
    Chapter in Aortopulmonary Shunts and Ductal Stents