Aortic atresia occurring with complete transposition of the great arteries (ventriculoarterial discordance) has not previously been reported. A patient with this condition is described, who is alive and relatively well at the age of 6 years. This survival contrasts conspicuously with that of patients with the far commoner situation of aortic atresia with normally connected great arteries. It is suggested that this difference in longevity is a result of the greater ability of the left ventricle to supply both the systemic and pulmonary circulations.
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McGarry et al. (1980) studied this question.