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Design: Single-centre retrospective analysis.
Setting: A tertiary paediatric cardiology unit in the USA.
Patients: 149 patients with a diagnosis of dextro-transposition of the great arteries (d-TGA) who underwent an arterial switch operation (ASO) from January 1984 to January 2015 and had adequate follow-up data available. These included diagnoses of d-TGA without any other anomalies with an intact ventricular septum (d-TGA IVS) and d-TGA with other anatomical anomalies (complex d-TGA). Patients who presented with clinical symptoms and signs were excluded, as this study was solely to evaluate routine echocardiography in asymptomatic patients.
Intervention: Routine …
Contributors TR wrote the initial paper. AJF edited and revised the manuscript.
Provenance and peer review Not commissioned; internally peer reviewed.
Patient consent for publication Not required.