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Background: Patients with right isomerism have accompanying complex congenital heart disease, which is characterized by pulmonary atresia and total anomalous pulmonary venous return. Balanced regulation of the systemic and pulmonary circulation is essential for successful management, especially for cases complicated with necrotizing enterocolitis (NEC). Case presentation: A 6-day-old male neonate with a single ventricle, pulmonary atresia, patent ductus arteriosus (DA), and total anomalous pulmonary venous return associated with right isomerism was admitted because of dyspnea, cyanosis, and melena. The patient presented circulatory incompetence due to excessive pulmonary blood flow, resulting in NEC. The patient underwent DA banding and colectomy following continuous intravenous infusion of prostaglandin E1 at six days. Subsequently, his condition improved, reaching a systemic oxygen saturation of around 80%. He underwent a bidirectional Glenn procedure and closure of colectomy at the ages of 5 and 6 months, respectively. Conclusion: DA banding can be an alternative to placing an aortopulmonary shunt, which is conventional in patients with ductus-dependent pulmonary circulation, because DA banding is feasible without cardiopulmonary bypass.

Background: Patients with right isomerism have accompanying complex congenital heart disease, which is characterized by pulmonary atresia and total anomalous pulmonary venous return. Balanced regulation of the systemic and pulmonary circulation is essential for successful management, especially for cases complicated with necrotizing enterocolitis (NEC). Case presentation: A 6-day-old male neonate with a single ventricle, pulmonary atresia, patent ductus arteriosus (DA), and total anomalous pulmonary venous return associated with right isomerism was admitted because of dyspnea, cyanosis, and melena. The patient presented circulatory incompetence due to excessive pulmonary blood flow, resulting in NEC. The patient underwent DA banding and colectomy following continuous intravenous infusion of prostaglandin E1 at six days. Subsequently, his condition improved, reaching a systemic oxygen saturation of around 80%. He underwent a bidirectional Glenn procedure and closure of colectomy at the ages of 5 and 6 months, respectively. Conclusion: DA banding can be an alternative to placing an aortopulmonary shunt, which is conventional in patients with ductus-dependent pulmonary circulation, because DA banding is feasible without cardiopulmonary bypass.

Background: Patients with right isomerism have accompanying complex congenital heart disease, which is characterized by pulmonary atresia and total anomalous pulmonary venous return. Balanced regulation of the systemic and pulmonary circulation is essential for successful management, especially for cases complicated with necrotizing enterocolitis (NEC). Case presentation: A 6-day-old male neonate with a single ventricle, pulmonary atresia, patent ductus arteriosus (DA), and total anomalous pulmonary venous return associated with right isomerism was admitted because of dyspnea, cyanosis, and melena. The patient presented circulatory incompetence due to excessive pulmonary blood flow, resulting in NEC. The patient underwent DA banding and colectomy following continuous intravenous infusion of prostaglandin E1 at six days. Subsequently, his condition improved, reaching a systemic oxygen saturation of around 80%. He underwent a bidirectional Glenn procedure and closure of colectomy at the ages of 5 and 6 months, respectively. Conclusion: DA banding can be an alternative to placing an aortopulmonary shunt, which is conventional in patients with ductus-dependent pulmonary circulation, because DA banding is feasible without cardiopulmonary bypass.

Background: Patients with right isomerism have accompanying complex congenital heart disease, which is characterized by pulmonary atresia and total anomalous pulmonary venous return. Balanced regulation of the systemic and pulmonary circulation is essential for successful management, especially for cases complicated with necrotizing enterocolitis (NEC). Case presentation: A 6-day-old male neonate with a single ventricle, pulmonary atresia, patent ductus arteriosus (DA), and total anomalous pulmonary venous return associated with right isomerism was admitted because of dyspnea, cyanosis, and melena. The patient presented circulatory incompetence due to excessive pulmonary blood flow, resulting in NEC. The patient underwent DA banding and colectomy following continuous intravenous infusion of prostaglandin E1 at six days. Subsequently, his condition improved, reaching a systemic oxygen saturation of around 80%. He underwent a bidirectional Glenn procedure and closure of colectomy at the ages of 5 and 6 months, respectively. Conclusion: DA banding can be an alternative to placing an aortopulmonary shunt, which is conventional in patients with ductus-dependent pulmonary circulation, because DA banding is feasible without cardiopulmonary bypass.