Key result
Ablation of left atrial appendage tachycardia mapped to the tip of the LAA using the CARTO system was successfully performed, highlighting the challenges of LAA perforation and thromboembolism risk.
Why the study?
Left atrial appendage tachycardias arising from the distal portion are rare and difficult to ablate due to high risks of perforation and thromboembolism.
Case Report (n=1)
Highlights the feasibility and challenges of mapping and ablating rare focal atrial tachycardias arising from the distal left atrial appendage.
Feasibility of CARTO-guided ablation for rare distal LAA tachycardia shown in case report; leaves open optimal mitigation of perforation and thromboembolism risks.
Left atrial appendage (LAA) tachycardia are rarely encountered in clinical practice (2.1% of focal atrial tachycardia). Out of these, the ones arising from the distal part of LAA are difficult to ablate due to higher risk of LAA perforation and thromboembolism. We hereby present a patient with LAA tachycardia mapped to the tip of LAA with the help of the CARTO system and ablated. This case highlights the inherent challenges faced in such a scenario.
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Deshpande et al. (2020) conducted a case report in Left atrial appendage (LAA) tachycardia (n=1). Ablation using CARTO system was evaluated. Ablation of left atrial appendage tachycardia mapped to the tip of the LAA using the CARTO system was successfully performed, highlighting the challenges of LAA perforation and thromboembolism risk.
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