Translocation of aberrant left subclavian artery and resection of Kommerell diverticulum during the concomitant repair of intracardiac anomalies.

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To assess the safety and efficacy of the translocation of the aberrant left subclavian artery (LSCA) and resection of the Kommerell diverticulum during the concomitant repair of intracardiac anomalies for paediatric patients who had a right-sided aortic arch.A retrospective review of paediatric patients who were diagnosed right-sided aortic arch, aberrant LSCA, Kommerell diverticulum and intracardiac anomalies between 2015 and 2019 was conducted. Patients who underwent translocation of the aberrant LSCA, diverticulum resection and concomitant intracardiac repair were included.Eight patients underwent translocation of aberrant LSCA, diverticulum resection, ligamentum division and concomitant repair of the associated intracardiac anomalies. All patients were male. The median age was 1.3 years (range 0.4-5.5 years) and the median weight was 10.0 kg (range 6.1-21.0 kg). The most commonly combined intracardiac anomaly was a ventricular septal defect. Seven patients (87.5%) had preoperative respiratory or gastrointestinal symptoms. There was no early mortality and no postoperative complications. During the median follow-up of 23 months (range 4-43 months), no patient had residual respiratory or gastrointestinal symptoms. A postoperative computed tomography scan was performed in 3 patients, all of which showed patent LSCA-left carotid artery anastomosis.Translocation of the aberrant LSCA and resection of the Kommerell diverticulum can be safely performed during the concomitant repair of intracardiac anomalies for paediatric patients. This approach could eliminate residual respiratory and gastrointestinal symptoms, and prevent reintervention in the future.

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