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Bidirectional coronary venous return in the partial unroofed coronary sinus syndrome complicated by coronary sinus orifice atresia

Part of: Functionally Univentricular Heart Cardiac Morphology

Published online by Cambridge University Press:  05 March 2020

Dai Asada Open the ORCID record for Dai Asada [Opens in a new window]  and
Hisato Ito
Dai Asada*
Affiliation:
Department of Pediatrics, Kyoto Chubu Medical Center, Kyoto, Japan Department of Pediatric Cardiology and Nephrology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
Hisato Ito
Affiliation:
Department of Pediatrics, Kyoto Chubu Medical Center, Kyoto, Japan
*
Author for correspondence: D. Asada, Department of Pediatrics, Kyoto Chubu Medical Center; Department of Pediatric Cardiology and Nephrology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajiicho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto602-8566, Japan. Tel: +81 75 251 5832; Fax: +81 75 251 5833. E-mail: asadadai@koto.kpu-m.ac.jp
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Abstract

Unroofed coronary sinus syndrome complicated by coronary sinus orifice atresia is a rare congenital anomaly. There are two alternate exits for coronary venous return: unroofed coronary sinus and persistent left superior caval vein. The coronary venous direction could be bidirectional depending on the pressure balance between the left atrium and the systemic vein. This anomaly has the risk of heart failure, paradoxical embolism, and cyanosis.

Keywords

Unroofed coronary sinuscoronary sinus orifice atresiapersistent left superior caval veinbidirectional coronary venous return
Type
Brief Report
Information
Cardiology in the Young , Volume 30 , Issue 4 , April 2020 , pp. 582 - 584
Copyright
© The Author(s), 2020. Published by Cambridge University Press

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