International journal of cardiology
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We tested the hypothesis that diastolic ventricular interaction occurs after atrial switch operation for transposition of the great arteries (TGA) and that subpulmonary LV diastolic function is influenced by septal geometry. ⋯ Systemic RV diastolic dysfunction occurs after atrial switch operation and correlates with subpulmonary LV diastolic dysfunction. The observed diastolic ventricular interaction may potentially be mediated through alteration of septal geometry.