The AVP II was highly effective for closing PDAs in smaller babies with varying morphologies and is safe when used in small sized patients with relatively low risk of complications. More studies are warranted to clarify the risks of ADO II AS.
Hammock mitral valve (MV), also known as anomalous mitral arcade, is a rare congenital anomaly. We report a case of a 10-month-old child who presented with congestive heart failure and was found to have severe mitral stenosis (MS) secondary to a hammock MV anomaly. Detailed advanced imaging with cardiac MRI and three-dimensional (3D) echocardiography favorably navigated a customized valve-sparing surgical reconstruction of the congenitally abnormal MV. Repair of a hammock MV is technically difficult with a guarded prognosis. Surgical experience is extremely limited and variable outcomes are reported. A rare case of severe MS secondary to hammock MV deformity with successful surgical repair and review of worldwide literature are presented.
Anomalous origin of one pulmonary artery from the ascending aorta is a rare congenital anomaly. Even more rarely reported is its presence in conjunction with persistent pulmonary hypertension of the newborn (PPHN). We present a case of a full-term infant, initially thought to have PPHN and later found to have anomalous origin of the right pulmonary artery from the ascending aorta. We discuss our management concept which included use of PgE1 infusion to restore fetal circulation prior to surgical treatment in this unique clinical scenario.
Right ventricle dependent coronary circulation (RVDCC) in pulmonary atresia with intact ventricular septum (PA/IVS) is associated with significant mortality risk in the immediate post-operative period following the initial stage of surgical palliation. Prognosis remains guarded during the interstage period towards conversion to the superior cavopulmonary shunt physiology. Current literature is scarce regarding this specific patient population. Cardiac troponin-I is widely used as a marker of coronary ischemia in adults, but its use for routine monitoring of neonatal myocardial tissue injury due to supply/demand perfusion mismatch is, yet to be determined. We sought to evaluate the clinical correlation of cTnl perioperative use in a PA/IVS RVDCC case and assess its interplay with established clinical, echocardiographic, and laboratory variables in guiding a real-time (dynamic) management strategy following systemic-to-pulmonary shunt palliation.
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