Clinical case of Cor triatriatum in a patient with CHA2DS2VASc 1-point atrial fibrillation

Abstract: Cor triatriatum sinistrum (CTS) is a rare congenital cardiac anomaly with an incidence of 0.1% of all hereditary heart diseases, and its finding is more infrequent in adulthood. It is characterized by presenting a left atrium divided into two chambers by a fibromuscular membrane that may have or not have fenestrations. It has been reported that severe obstruction is indicated by maximum Doppler velocity greater than 2 m/s or a trans-membranous pressure > 10 mmHg. In this article, we present the case of a 68-year-old male patient, who presented de novo an atrial fibrillation episode in the context of infectious disease, with a transesophageal echocardiogram showing CTS and a CHA2DS2VASc score of 1 point, raising the question of whether it should be anticoagulated, given that the evidence in this setting is limited.

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Bibliographic Details
Main Authors: Múnera E,Ana G, Rodríguez Z,Juan S, Correa V,Natalia, Bermúdez M,Jorge A
Format: Digital revista
Language:English
Published: Asociación Nacional de Cardiólogos de México A.C. 2022
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S2954-38352022000100021
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Summary:Abstract: Cor triatriatum sinistrum (CTS) is a rare congenital cardiac anomaly with an incidence of 0.1% of all hereditary heart diseases, and its finding is more infrequent in adulthood. It is characterized by presenting a left atrium divided into two chambers by a fibromuscular membrane that may have or not have fenestrations. It has been reported that severe obstruction is indicated by maximum Doppler velocity greater than 2 m/s or a trans-membranous pressure > 10 mmHg. In this article, we present the case of a 68-year-old male patient, who presented de novo an atrial fibrillation episode in the context of infectious disease, with a transesophageal echocardiogram showing CTS and a CHA2DS2VASc score of 1 point, raising the question of whether it should be anticoagulated, given that the evidence in this setting is limited.