Circulation, Vol 59, 173-178, Copyright © 1979 by American Heart Association
G Thiene, V Gallucci, FJ Macartney, S Del Torso, PA Pellegrino and RH Anderson
The anatomy of 58 specimens of aortic outflow tract atresia was studied.
All cases had situs solitus and levocardia, 37 had atrioventricular (AV)
concordance, two had common inlet to a right ventricle and 19 had mitral
atresia. The great arteries were normally interrelated in all cases.
Fifty-one cases had an intact ventricular septum, while seven presented
with a ventricular septal defect (VSD). Of the seven with VSD, in two it
was associated with a common AV orifice draining exclusively into the right
ventricle in the presence of a rudimentary left ventricular chamber. In one
case a small VSD accompanied combined mitral and aortic atresia. In the
other four cases the left ventricles and mitral valves were fairly normal
in size; the VSD was subpulmonary in three cases, due to
infundibuloventricular malalignment, and perimembranous in one. These last
four cases are of particular interest since they could be amenable to
surgical correction. Possible approaches to surgical treatment and
morphologic features pertinent to them are described and discussed.
ARTICLES
Anatomy of aortic atresia. Cases presenting with a ventricular septal defect
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