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Published on: December 23, 2022
Recent Development of Biodegradable Occlusion Devices for Intra-Atrial Shunts
Yi-Fan Li1, Ze-Wen Chen2, Zhao-Feng Xie1
1Department of Pediatric Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangdong Provincial Key Laboratory of South China Structural Heart Disease, 510100 Guangzhou, Guangdong, China.
Biodegradable occlusion devices offer a promising, biocompatible alternative for percutaneous closure of atrial septal defects (ASD) and patent foramen ovale (PFO). This review summarizes their design, materials, and experimental evaluations, highlighting future research directions.
Area of Science:
- Cardiology
- Biomaterials Science
- Medical Device Engineering
Background:
- Atrial septal defect (ASD) is a common congenital heart defect.
- Patent foramen ovale (PFO) affects up to 25% of the population.
- Percutaneous closure with occlusion devices is a leading treatment for ASD and PFO.
Purpose of the Study:
- To review biodegradable occlusion devices for ASD/PFO transcatheter closure.
- To summarize device design, materials, and biodegradability.
- To discuss experimental evaluations and future research directions.
Main Methods:
- Comprehensive literature review of biodegradable occlusion devices.
- Analysis of device design, material properties, and biodegradability.
- Evaluation of preclinical and clinical data for biodegradable occluders.
Main Results:
- Biodegradable devices show promise for improved biocompatibility and reduced long-term complications.
- Various materials and designs are being explored for biodegradable occluders.
- Experimental data, though limited, indicates potential efficacy.
Conclusions:
- Biodegradable occlusion devices represent a significant advancement in treating congenital heart defects like ASD and PFO.
- Further research is needed to optimize materials, designs, and long-term outcomes.
- Development of these devices is crucial for advancing minimally invasive cardiac interventions.
