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Inferior and right-sided juxtaposition of the left atrial appendage with an unexpected type of inter-atrial communication

Published online by Cambridge University Press:  12 March 2015

Anne E. Sarwark ,
Robert H. Anderson  and
Diane E. Spicer
Anne E. Sarwark*
Affiliation:
Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois, United States of America
Robert H. Anderson
Affiliation:
Institute of Genetic Medicine, Newcastle University, Newcastle-on-Tyne, United Kingdom
Diane E. Spicer
Affiliation:
Division of Pediatric Cardiology, University of Florida, Gainesville, Florida, United States of America
*
Correspondence to: A. E. Sarwark, Division of Cardiovascular-Thoracic Surgery, Ann & Robert H. Lurie Children’s Hospital of Chicago, 225 East Chicago Avenue, Chicago, IL 60611, United States of America. Tel: +312 227 4240; Fax: +312 227 9643; E-mail: asarwark@luriechildrens.org
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Abstract

We have re-investigated an unusual cardiac specimen with juxtaposition of the atrial appendages. The original description dates to 1962, when the autopsy was performed at the Children’s Memorial Hospital in Chicago, now Ann & Robert H. Lurie Children’s Hospital of Chicago. The heart was subsequently stored in the Farouk S. Idriss Cardiac Registry at the same institution. The specimen shows usual atrial arrangement, but with the morphologically left appendage juxtaposed in a rightward manner, passing behind the heart rather than through the transverse sinus so as to reach its location inferior to the morphologically right appendage. The heart also demonstrated an inter-atrial communication between the cavities of the juxtaposed left appendage and the morphologically right atrium. We provide a detailed description of the morphology, and provide images of this lesion, which to the best of our knowledge has not previously been described.

Keywords

Functionally univentricular heartinter-atrial communicationanatomically corrected malpositionleft atrioventricular valvar atresia
Type
Brief Reports
Information
Cardiology in the Young , Volume 26 , Issue 1 , January 2016 , pp. 179 - 182
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Copyright
© Cambridge University Press 2015 

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