Anatomic classification of truncus arteriosus

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Presentation transcript:

Anatomic classification of truncus arteriosus Anatomic classification of truncus arteriosus. Collett and Edwards' class I is similar to Van Praagh's A1 with the appearance of a partial main pulmonary artery (MPA) segment arising from the common trunk. Collett and Edwards' classes II and III are almost indistinguishable from each other and similar to the Van Praagh A2, with the pulmonary arteries coming directly off the ascending aorta, without an MPA segment. Van Praagh A3 is defined by absence of 1 pulmonary artery, usually arising from a patent ductus arteriosus (PDA). A4 has a hypoplastic or interrupted aortic arch with the PDA supplying the descending aorta. (Reproduced with permission from Fyler DC. Truncus arteriosis. In: Fyler DC, ed. Nadas' Pediatric Cardiology. Philadelphia, PA: Hanley and Belfus; 1992:676. Copyright Elsevier. As adapted with permission from Hernanz-Schulman M, Fellows KE. Persistent truncus arteriosis: Pathologic, diagnostic and therapeutic considerations. Semin Roentgenol. 1985;20:121. Copyright Elsevier.) Source: Chapter 9. Conotruncal Abnormalities, Pediatric Practice: Cardiology Citation: Gleason M, Rychik J, Shaddy R. Pediatric Practice: Cardiology; 2012 Available at: http://accesspediatrics.mhmedical.com/DownloadImage.aspx?image=/data/books/glea1/glea1_c009f009.png&sec=41025339&BookID=525&ChapterSecID=41023849&imagename= Accessed: January 09, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved

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