Key result
Staged surgery for LV growth achieves biventricular repair and stable 3-year circulation in borderline LV.
Case Report (n=1)
No
A staged surgical approach can successfully promote left ventricular growth and enable biventricular repair in patients with hypoplastic left heart complex and unbalanced right dominant atrioventricular septal defect.
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Hypothesis-generating for staged LV growth in borderline cases; prospective trials needed before clinical adoption.
A patient with borderline left ventricle successfully underwent biventricular repair following a staged surgical approach to promote left ventricular growth. Despite initial concerns about left ventricle size, apex formation and adequate size of atrioventricular valve indicated potential for future growth. The patient demonstrated significant left ventricular growth, resulting in stable biventricular circulation and a favourable outcome over a three-year postoperative follow-up period.Clinical Registration Number: Institutional Review Board of Osaka City General Hospital, number 1902139.
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Araki et al. (2025) conducted a case report in Hypoplastic left heart complex and unbalanced right dominant atrioventricular septal defect (n=1). Staged surgical approach followed by biventricular repair was evaluated on Stable biventricular circulation and favourable outcome. A staged surgical approach focused on left ventricular growth successfully enabled biventricular repair and stable circulation over a 3-year follow-up in a patient with a borderline left ventricle.
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