Double-Outlet Right Ventricle

  • Hiromi Kurosawa
  • Anton E. Becker


Double-outlet right ventricle is defined as the condition in which the major part of both great arteries originates from the right ventricle [15]. The precise anatomy, however, may differ considerably from one case to the next. For full understanding, a descriptive approach to the outlet part of the heart is advisable. Several features should be taken into account. The position of the ventricular septal defect is described according to Lev et al. [16]. Thus, the defect is termed subaortic, subpulmonary, doubly committed, or noncommit-ted. However, the description is incomplete unless the muscular surroundings are considered as well. This includes the position of the outlet septum separating the aortic and pulmonary outflow tracts; the presence or absence of a ventriculoinfundibular fold, be it subaortic, subpulmonary, or both; and the trabecula septomarginalis. From a surgical point of view, particularly with regard to the atrioventricular conduction tissues, it is relevant whether the defect is perimembranous or muscular.


Tricuspid Valve Ventricular Septal Defect Atrioventricular Conduction Conduction Axis Membranous Septum 
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Copyright information

© Springer-Verlag Tokyo 1987

Authors and Affiliations

  • Hiromi Kurosawa
    • 1
  • Anton E. Becker
    • 2
  1. 1.Department of Pediatric Cardiovascular SurgeryThe Heart Institute of Japan, Tokyo Women’s Medical CollegeTokyoJapan
  2. 2.Department of Pathology, Academic Medical CenterUniversity of AmsterdamAmsterdamThe Netherlands

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