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| http://dx.doi.org/10.1016/j.hrcr.2021.08.013 | DOI Listing |
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A Giant Left Atrial Appendage Aneurysm With Incessant Atrial Tachycardia.
J Cardiovasc Electrophysiol
December 2024
Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China.
Introduction: Left atrial appendage aneurysm (LAAA) is a rare congenital cardiac anomaly that involves the progressive dilatation of the left atrial appendage (LAA), predisposing the patient to serious complications such as atrial tachyarrhythmias, life-threatening systemic thromboembolism, and cardiac dysfunction.
Methods And Results: We described a case of a 36-year-old woman with incessant atrial tachycardia (AT) originating from LAAA, which surgical intervention successfully terminated AT after attempted ablation failed. The AT terminated after the LAA was excised.
Catheter ablation for focal atrial tachycardias during pregnancy: A systematic review.
Int J Cardiol
October 2024
Department of Clinical Electrophysiology & Cardiac Pacing, Centro Cardiologico Monzino, IRCCS, Milan, Italy; Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.
Article Synopsis
- - The study examines the use of catheter ablation (CA) as a treatment for focal atrial tachycardia (AT) in pregnant women, highlighting the risks of medical interventions and the potential benefits of CA, particularly with non-fluoroscopic navigation systems.
- - A systematic literature search reviewed 278 papers, ultimately including 15 studies with 24 patients; the results showed an impressive acute success rate of 95.8% with CA, and a significant number of procedures were performed without fluoroscopy.
- - The findings suggest that CA is a viable option for treating incessant AT during pregnancy, with minimal long-term recurrence; however, further large-scale studies are needed to better assess its safety and effectiveness.
Pacemaker-mediated reentrant arrhythmia facilitated by an atrial-tracking leadless pacemaker.
J Cardiovasc Electrophysiol
September 2024
Department of Medicine, Division of Cardiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
Article Synopsis
- Pacemaker-mediated tachycardia (PMRA) can occur in patients with dual chamber pacemakers and is particularly noted in those with intact ventriculoatrial conduction.
- A 91-year-old female with new cardiomyopathy received an AV synchronous leadless pacemaker, which led to frequent atrial and ventricular pacing issues, identified as PMRA due to changes in heart rates.
- The study highlights that PMRA may be overlooked in patients with leadless pacemakers, emphasizing the need for further research on its management and impact.
Incessant Atrial Tachycardia From the Left Atrial Appendage Treated With Appendage Ligation.
JACC Case Rep
July 2024
Intermountain Medical Center, Murray, Utah, USA.
A previously healthy man presented in shock due to incessant tachycardia. He ultimately required extracorporeal membrane oxygenation for support and clipping of his appendage for arrhythmia control. This case highlights the importance of early recognition of cardiogenic shock, aggressive hemodynamic support, and a multidisciplinary approach to managing these challenging arrhythmias.
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