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Updated: Jun 6, 2025
Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets
Published on: May 11, 2015
Transcatheter Pulmonary Flow Restrictors: Current Trends and Future Perspectives
Elaheh Malakan Rad1, Ziyad M Hijazi2,3
1Pediatric Interventional Cardiology, Children's Medical Center (Pediatric Center of Excellence) and Fetal and Pediatric Cardiovascular Research Center, Tehran University of Medical Sciences, Tehran, Iran.
Transcatheter Pulmonary Flow Restrictors (TPFRs) manage pulmonary blood flow in congenital heart disease. This review highlights their design, complications, and future directions for improved patient outcomes.
Area of Science:
- Cardiovascular Medicine
- Biomaterials Engineering
- Pediatric Cardiology
Background:
- Transcatheter Pulmonary Flow Restrictors (TPFRs) are crucial for managing pulmonary blood flow in congenital heart disease.
- A comprehensive understanding of TPFR diversity and critical features is lacking.
Purpose of the Study:
- To review existing knowledge on TPFRs.
- To identify key design and development aspects.
- To highlight research gaps and future directions.
Main Methods:
- Conducted an exhaustive literature search across multiple databases.
- Utilized search terms related to transcatheter and percutaneous pulmonary artery banding.
Main Results:
- 82 patients received TPFR implants between 2005-2024, including various device types.
- Microvascular plugs were most common and successful, but associated with complications like pulmonary overflow and migration.
- TPFRs categorized by duration; need for safe removal, migration prevention, and adaptability to growth.
Conclusions:
- Long-term outcomes and biodegradable/smart biomaterials require further investigation.
- Collaborative efforts are essential for advancing TPFR technology.
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