Related Experiment Video
Updated: Jan 24, 2026
07:41
Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
4.3K
Aortic Root Geometric and Dynamic Changes After Device Closure of Interatrial Shunts
Mohammad Abdelghani1, Martina Nassif2, Rianne H A C M de Bruin-Bon2
1Department of Cardiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Department of Cardiology, Al-Azhar University, Cairo, Egypt.
Summary
Most atrial septal occluders contact the aorta after closure, particularly in patients with deficient aortic rims. This occluder-aorta interaction impacts aortic root mechanics and strain.
Area of Science:
- Cardiology
- Medical Devices
- Echocardiography
Background:
- The interaction between atrial septal occluders and the aorta is not well understood.
- Impacts on aortic root geometry and mechanics require further investigation.
Purpose of the Study:
- To evaluate occluder-aorta interaction after atrial septal defect (ASD) or patent foramen ovale (PFO) closure.
- To assess the impact of this interaction on aortic root geometry and mechanics.
Main Methods:
- Utilized 3D transesophageal echocardiography and 2D speckle-tracking echocardiography.
- Evaluated 65 adult patients undergoing ASD or PFO closure with Amplatzer occluders.
- Measured sinus of Valsalva dimensions and strain before and after device implantation.
Main Results:
- Occluder-aorta contact occurred in 93.8% of patients (ASD: 91.4%, PFO: 96.7%).
- Continuous contact was more frequent with deficient aortic rims (< 5 mm).
- Occluder-aorta relationship and device size influenced aortic root strain.
Conclusions:
- Interatrial septal occluders frequently contact the aortic root post-implantation.
- Continuous contact is more probable in ASD patients with a deficient aortic rim.
- Aortic root strain is affected by the occluder-aorta relationship and device size.
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