Key result
Arterial switch operation normalizes borderline RV function at 6 months in a TGA/VSD neonate.
Why the study?
Previous studies have mostly focused on left ventricular function after corrective surgery for TGA, leaving limited research on the recovery of postoperative right ventricular dysfunction.
Design
Case report
Follow-up
6 months postoperatively
Authors
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May support ASO feasibility in TGA/VSD with borderline RV; leaves open need for prospective data on selection.
Case Report (n=1)
No
A borderline right ventricle is not an absolute contraindication to the arterial switch operation in patients with TGA/VSD, though it requires careful postoperative management and long-term follow-up.
Chao et al. (2026) conducted a case report in Complete transposition of the great arteries complicated with ventricular septal defect (TGA/VSD) and hypoplastic right ventricle (n=1). Arterial switch operation (ASO) was evaluated on Normalization of right ventricular function. Arterial switch operation in a neonate with TGA/VSD and a borderline right ventricle resulted in successful recovery and normalization of right ventricular function at 6 months.
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