Are there different kinds of DORV?

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Are there different kinds of DORV?

Babies with DORV always have a ventricular septal defect (VSD), too. VSD is a hole in the septum, the wall between the two ventricles. Blood flows through the hole and between the ventricles. The other possible associated anomaly is pulmonary valve stenosis.

Healthcare providers classify DORV by the location of the hole:

  • DORV with subaortic VSD: The VSD is just under the aorta.
  • DORV with subpulmonary VSD (also called Taussig-Bing): The VSD is just under the pulmonary artery.
  • DORV with doubly committed VSD: There is a VSD under each of the great arteries.
  • DORV with non-committed (or remote) VSD: The VSD is not near the aorta or the pulmonary artery.

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