
Juan Carlos Alejos MD
Pediatric Heart Failure and Heart Transplantation
Clinical Professor
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200 Medical PlazaSuite 224Los Angeles, CA 90095
Phone+1 310-267-7673
Fax+1 310-267-7673
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Summary
- Dr. Juan Alejos is a pediatric cardiologist based in Los Angeles, CA, with subspecialties in pediatric heart failure and heart transplantation. He completed his medical education and training at UCLA and the University of Michigan. He is a professor at UCLA Medical Center-Santa Monica and holds various leadership positions, including roles at Rady Children's Hospital and the Pediatric Cardiac Catheterization Lab. His expertise includes pulmonary hypertension, pediatric cardiac catheterization, and heart failure/transplant. Dr. Alejos has contributed to multiple publications on pediatric heart transplants and has been involved in clinical trials. His honors include listings in Best Doctors from America and Who’s Who in America.
Education & Training
UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Pediatric Cardiology, 1990 - 1993
UCLA David Geffen School of Medicine/UCLA Medical CenterResidency, Pediatrics, 1987 - 1990
University of Michigan Medical SchoolClass of 1987
University of Michigan Regent’s ScholarBS, Biomedical Science, 1983
University of MichiganBS, Premedical-Medical
Certifications & Licensure
CA State Medical License 1989 - 2028
American Board of Pediatrics Pediatric Cardiology
Awards, Honors, & Recognition
- Best Doctors America 2011-2012 Database, 2012
- Huffington Post Game Changer 2011
- National Academy of Inventors University of Cincinnati, 2010
Clinical Trials
- Role of Intraoperative Thymoglobulin in Decreasing Ischemia-Reperfusion Injury in Pediatric Heart Transplant Recipients Start of enrollment: 2008 Jul 01
Publications & Presentations
PubMed
- Insights from daratumumab use in highly sensitized pediatric heart transplant candidates and recipients: A single-center institutional experience and outcomes.Majid Husain, Carrie Butler, Ashley M Fan, Nancy J Halnon, Leigh C Reardon
JHLT Open. 2025-11-01 - Everolimus and Low-Dose Tacrolimus After Heart Transplant in Children: A Randomized Clinical Trial.Christopher S Almond, Kevin P Daly, Erin L Albers, Juan C Alejos, Rebecca Ameduri
JAMA. 2025-10-21 - 2 citationsA new algorithm DEtectS critical Congenital Heart Disease at different altitudes: ANDES-CHD study.Katia Bravo-Jaimes, Tania Vasquez-Loarte, Jose Rojas-Camayo, Monica Medina, Christian R Mejia
Journal of Perinatology. 2024-03-01
Journal Articles
- Use of OKT3 for Acute Myocarditis in Infants and Children.Ahdoot J, Galindo A, Alejos JC, George B, Burch C, Marelli D, Sadeghi A, Laks H, Journal of Heart and Lung Transplantation
- The Yield of Endomyocardial Biopsy as a Screen for Cellular Rejection in Pediatric Heart Transplant Patients.Levi DS, DeConde AS, Burch C, Alejos JC, Wetzel G, Pediatric Transplantation 2004, 8(1):22-28
- Predictors of Graft Longevity in Pediatric Heart Transplantation.Leman NR, Levi, DS, Alejos JC, Wetzel GT, Pediatric Cardiology 2005, Nov-Dec;26(6):762-7
Books/Book Chapters
Abstracts/Posters
- Predictors of Pulmonary Hypertensive Complications after Heart Transplantation in Pediatric Patients with Restrictive Cardiomyopathy.Shindo T, Alejos JC, Halnon NJ, 30th International Society for Heart Lung Transplantation meeting, Chicago, IL
- Neoplasia and PTLD Following Pediatric Heart Transplantation- Incidence and Outcome.Odim J, Kunitake H, Mendoza F, Alejos J, Plunkett M, Alikhani A, Laks H, ASTS Conference, Miami, FL
- Monitoring of CD4 Cell Activity in Stable and Rejecting Pediatric Heart Transplant Patients.Perens GS, Williams RJ, Reiss J, Korin Y, Reed EF, Alejos JC, Halnon NJ, World Transplant Congress, Boston, Massachusetts
Lectures
- Coronary Artery Abnormalities in Children.Yonsei University in Seoul, Korea at Yonsei Medical Center
- Cardiac Catheterization: Evaluation and Intervention for Patients with Single Ventricle.Yonsei University in Seoul, Korea at Yonsei Medical Center
- Selection and Management of Patients for Heart Transplantation.“Innovations in Pediatric Cardiac Surgery and Cardiology” conference at UCLA Medical Center
Other
- Effects of body temperature on accuracy of continuous cardiac measurements.Luchette FA, Porembka DT, Davis Jr K, Branson RD, James L, Hurst JM, Johannigman JA, Campbell RS
- A comparison of the imposed work of breathing with endotracheal and tracheostomy tubes in a lung model.Davis K Jr, Branson RD, Porembka DT
- Echocardiographic evaluation of bupivacaine cardiotoxicity.Coyle DE, Porembka DT, Sehlhorst CS, Wan L, Behbehani MM
Press Mentions
UCLA Pediatric Heart-Transplant Program Performs Historic 500th ProcedureSeptember 25th, 2022
I'm Aware That I'm Rare: Juan Alejos, MD (Hearts with Hope)October 24th, 2017
200 Hearts Mended and CountingSeptember 17th, 2017
Other Languages
- Spanish
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