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Epicardial ablation of incessant left atrial appendage tachycardia in a case with tachycardiomyopathy

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Abstract

Atrial tachycardias originated at the left atrial appendage (LAA) are uncommon; often they are incessant and might induce tachycardiomyopathy, as discussed by Hillock et al. (Heart Rhythm;3(4):467–469, 2006). A case of a 21-year-old woman with incessant atrial tachycardia is presented, refractory to medical therapy, echocardiography showed global dilation with LV ejection fraction of 20%. After two failed endocardial ablations, an epicardial access was attempted. The earliest activation site was located at the tip of the epicardial aspect of the LAA. RFCA was successful at this site. The patient remains asymptomatic during a follow-up of 10 months; the ventricular function was completely recovered after 6 months (LVEF of 50%).

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References

  1. Hillock RJ, Singarayar S, Kalman JM, Sparks PB. Tale of two tails: the tip of the atrial appendages is an unusual site for focal atrial tachycardia. Heart Rhythm. 2006;3(4):467–9.

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  3. Hillock RJ, Singarayar S, Kalman JM, Sparks PB. Tachycardias arising from tip of atrial appendages. Heart Rhythm Vol 3, No 4, April 2006. https://doi.org/10.1016/j.hrthm.2005.12.013

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Authors and Affiliations

  1. Electrocardiology Department, National Institute of Cardiology Ignacio Chavez, Mexico City, Mexico

    Carla Losantos, David Barrón, Manlio F. Márquez, Jorge Gómez, Moises Levinstein & Santiago Nava

Authors
  1. Carla Losantos
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  2. David Barrón
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  3. Manlio F. Márquez
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  4. Jorge Gómez
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  5. Moises Levinstein
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  6. Santiago Nava
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Corresponding author

Correspondence to Santiago Nava.

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The patient gave her written informed consent to publish her case.

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This case report did not have conflict of interest.

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Losantos, C., Barrón, D., Márquez, M.F. et al. Epicardial ablation of incessant left atrial appendage tachycardia in a case with tachycardiomyopathy. J Interv Card Electrophysiol 62, 495–497 (2021). https://doi.org/10.1007/s10840-021-01015-w

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  • DOI: https://doi.org/10.1007/s10840-021-01015-w

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