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Updated: Jan 9, 2026

Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement
Published on: January 20, 2022
Harmony Transcatheter Pulmonary Valve Housing Compression: Bench Testing and Case Report
Mary Breige O'Donnell-Smith1, Daniel S Levi2,3, Gentian Lluri3
1Division of Pediatric Cardiology, University of Washington School of Medicine, Seattle Children's Hospital, Seattle, Washington, USA.
This case study demonstrates the successful use of the Harmony valve in a patient with a failing surgical bioprosthesis and coronary artery compression. The valve
Area of Science:
- Cardiology
- Interventional Cardiology
- Biomedical Engineering
Background:
- A 45-year-old male with congenital pulmonary valve stenosis developed pulmonary regurgitation after surgical bioprosthesis placement.
- Coronary artery compression (left anterior descending) occurred during balloon valvuloplasty, precluding balloon-expandable valve implantation.
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