Key result
Norwood and Glenn operations without atrial septectomy allowed spontaneous septal closure, facilitating left ventricular growth and biventricular conversion in hypoplastic left heart complex.
Demonstrates the feasibility of left ventricular growth and subsequent biventricular conversion in borderline hypoplastic left heart complex when atrial septectomy is avoided during initial palliation.
Supports individualized palliation in borderline cases; hypothesis-generating and should not change practice without prospective data.
We present the case of a child with borderline hypoplastic left heart complex who initially received Norwood and Glenn operations without atrial septectomy and was later converted to a biventricular circulation after progressive growth of the left ventricle as assessed by serial echocardiography and cardiac magnetic resonance imaging.
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Zhu et al. (2022) studied this question. Norwood and Glenn operations without atrial septectomy allowed spontaneous septal closure, facilitating left ventricular growth and biventricular conversion in hypoplastic left heart complex.
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