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Background: Device embolization is a recognized complication of left atrial appendage occlusion (LAAO) procedures, with outcomes depending on the location of the embolized device and patient management.
Case Summary: A 70-year-old male with atrial fibrillation underwent LAAO due to high bleeding risk. Postoperative surveillance revealed an Amplatzer Amulet device embolized in the transverse arch of the aorta. The patient remained asymptomatic, and transcatheter retrieval was planned. A percutaneous approach was used with the ONOCOR system and snare devices with successful retrieval. The patient recovered without complications and remained stable at follow-up.
Discussion: Device embolization often presents challenges, with clinical outcomes varying by location and timing of diagnosis. Minimally invasive transcatheter retrieval has proven effective in most cases. We discuss a successful application of the ONOCOR retrieval system for an Amulet device embolization.
Take-home Message: Transcatheter retrieval is a safe and effective option in most cases of LAAO device embolization.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12371375 | PMC |
http://dx.doi.org/10.1016/j.jaccas.2025.104557 | DOI Listing |
JACC Case Rep
September 2025
Division of Pediatric Cardiology, Department of Pediatrics, Congenital Heart Center, University of Florida, Gainesville, Florida, USA.
Left atrial (LA) decompression is often performed in patients on venoarterial extracorporeal membrane oxygenation to help offload the left ventricle. Atrial septal stents may be used to ensure the adequacy of LA decompression; however, if there is cardiopulmonary recovery and extracorporeal membrane oxygenation support is no longer needed, the stents require removal. We describe 3 pediatric patients who required venoarterial extracorporeal membrane oxygenation support and atrial septal stent placement who underwent successful transcatheter removal of the stents after cardiac recovery.
View Article and Find Full Text PDFJACC Case Rep
August 2025
Department of Cardiology, Deborah Heart and Lung Center, Browns Mills, New Jersey, USA. Electronic address:
Background: Device embolization is a recognized complication of left atrial appendage occlusion (LAAO) procedures, with outcomes depending on the location of the embolized device and patient management.
Case Summary: A 70-year-old male with atrial fibrillation underwent LAAO due to high bleeding risk. Postoperative surveillance revealed an Amplatzer Amulet device embolized in the transverse arch of the aorta.
Cardiol Rev
August 2025
From the Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
Transcatheter aortic valve replacement (TAVR) is a crucial intervention for patients with severe aortic stenosis. There is limited data regarding the occurrence of coronary events post-TAVR and the adverse outcomes. This study aimed to establish the prevalence, mortality rate, and predictive factors of acute coronary syndrome (ACS) post-TAVR.
View Article and Find Full Text PDFJACC Case Rep
August 2025
Division of Cardiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Background: Transcatheter left atrial appendage occlusion (LAAO) is a low-risk procedure with a <1.0% risk of malposition.
Case Summary: An 80-year-old man with atrial fibrillation intolerant to apixaban underwent implantation of a 24 mm Watchman FLX device (Boston Scientific), which immediately shifted, exposing uncovered metal in the left atrium.
EuroIntervention
August 2025
Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark.
Percutaneous left atrial appendage closure (LAAC) is increasingly used as a valuable intervention to prevent cardioembolic stroke among patients with atrial fibrillation who are poor candidates for long-term anticoagulation. The safety of the procedure has significantly improved over time; nevertheless, device embolisation remains a severe complication that still occurs in around 0.1% of cases.
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