RILEY HEART CENTER
The interventional cardiologists at Riley Children’s Health have expertise in using the latest invasive, catheter-based procedures to diagnose and treat congenital heart conditions. Our skilled specialists provide essential anatomic evidence during diagnostic procedures to direct cardiovascular surgical interventions. They also repair heart conditions such as patent ductus arteriosus (PDA), atrial septal defect and ventricular septal defect that allow both children and adults to avoid open heart surgery. INTERVENTIONAL CARDIOLOGY
Riley Children’s treats infants with some severe forms of congenital heart disease with pulmonary artery flow restrictors. Our interventional cadiologists modify a microvascular plug in order to allow a small amount of blood to flow through the device. The flow restrictors are then placed in the pulmonary arteries of small infants. This minimally invasive procedure protects the lungs, allowing time for babies to grow and become stronger before open heart surgery.
TOP DISTINCTIONS
Interventional Cardiology Procedures: 2025
■ One of only six pediatric cardiac catheterization labs in the nation accredited in
49% Interventional cardiology
cardiovascular catheterization by the Intersocietal Accreditation Commission (IAC) – Only IAC-accredited catheterization lab in Indiana – Recognized by IAC in complex adult congenital heart disease,
14% Biopsy/Treatment
Cardiac Catheterization Volume: 2021 – 2025
37% Diagnostic
CO-DIRECTOR Ryan D. Alexy, MD Associate Professor of Clinical Pediatrics, IU School of Medicine Connect with Dr. Alexy on Doximity.
698 736 689 706
pediatric cardiovascular catheterization and valve interventions
594
Interventions by Type: 2025
2021
2022
2023
2024
2025
27 Coarctation procedure
■ Riley Heart Center meets the criteria of a “Comprehensive Care Center,” a top-tier designation based on updated pediatric heart surgery national standards *
20
Transcatheter Pulmonary Valve Replacement (TPVR, Isolated) Volume: 2021 – 2025
ASD closure
TPVR procedures with a major post-procedure adverse event or death: 0% **
52 PDA closure
CO-DIRECTOR Michael M. Ross, MD Associate Professor of Clinical Pediatrics, IU School of Medicine Connect with Dr. Ross on Doximity.
** 2020 – 2025
13
Transcatheter pulmonary valve replacement
14
13
13
11
6
3 board certified physicians
12 Pulmonary valvuloplasty
See full team member list >
2021
2022
2023
2024
2025
4 Aortic valvuloplasty
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T 317.944.8906
* Recommendations for centers performing pediatric heart surgery in the United States
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