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Left atrial septal pouch in a six-year-old child: echocardiographic and magnetic resonance view

Part of: Cardiac Morphology

Published online by Cambridge University Press:  15 November 2021

Salvatore Caputo Open the ORCID record for Salvatore Caputo [Opens in a new window] ,
Annalisa Silvestri  and
Guido Rocchi
Salvatore Caputo*
Affiliation:
Cardiology and Heart Failure Unit, Ospedali Riuniti Marche Nord Hospital, Fano, PU, Italy
Annalisa Silvestri
Affiliation:
Anesthesia and Critical Care Department, Ospedali Riuniti Marche Nord Hospital, Pesaro, PU, Italy
Guido Rocchi
Affiliation:
Cardiology and Heart Failure Unit, Ospedali Riuniti Marche Nord Hospital, Fano, PU, Italy
*
Author for correspondence: S. Caputo, MD, Cardiology and Heart Failure Unit, Ospedali Riuniti Marche Nord Hospital, Via Goffredo Mameli, 25, 61032, Fano, PU, Italy. Tel: +390721882392; Fax: +390721882390. E-mail: dr.caputo@gmail.com
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Abstract

In a 6-year-old child patient, transthoracic echocardiography revealed a large saccular structure (with anechogenic content) in the left atrium, near the fossa ovalis, and diagnosis of the left atrial septal pouch was made. The left atrial septal pouch is a kangaroo pouch-like structure on the left side of the interatrial septum, opened into the left atrial cavity without a connection between the left and right atria. It occurs when the foramen ovale is absent but the septum primum and septum secundum are only partially fused. The left atrial septal pouch is believed to be present in 47% of population. In many cases, the pocket on the atrial septum is small and it could not be detected by transthoracic echocardiography. Our description is uncommon because we diagnosed a very large septal pouch. Based on our knowledge, this is the youngest reported case of the left atrial septal pouch and the longest follow-up described in this type of congenital heart malformation.

Keywords

Left atrial septal pouchLASPinteratrial septumechocardiographychildrencardiac mass
Type
Brief Report
Information
Cardiology in the Young , Volume 32 , Issue 6 , June 2022 , pp. 998 - 1000
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Copyright
© The Author(s), 2021. Published by Cambridge University Press

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