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Lookup NU author(s): Professor Bob Anderson
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© Cambridge University Press 2017 Objectives: Arterial switch operation is the treatment of choice in infants with transposed arterial trunks. It is technically challenging to perform in patients having usual atrial arrangement and concordant atrioventricular connections but having a left-sided aorta. Correction in this setting requires surgical expertise and precision. Here we review our experience with such patients. Methods: Between January, 2002 and October, 2013, the arterial switch operation was performed in 20 patients in the combination emphasised above. Patient records were analysed in detail for coronary arterial patterns, and for the techniques used for transfer of the coronary arteries and reconstruction of the great arteries. Outcomes were recorded in terms of in-hospital survival and left ventricular function at the most recent follow-up. Results: All patients survived the procedure. Ages ranged from 3 days to 18 months, with a median of 75 days; the weight of the patients ranged from 3 to 8.8 kg, with a median of 3.85 kg. The LeCompte manoeuvre was performed in only nine patients. The mean cardiopulmonary bypass time was 157.5±24.9, with a median of 161 minutes, and the mean aortic cross-clamp time was 101.2±23.8, with a median of 102 minutes. Subsequently, two patients died: the first due to a sudden onset of ventricular fibrillation and the second during a crisis of severe pulmonary hypertension. At the last follow-up, which ranged from 23 to 41 months, with a mean of 38.04±2.32 and a median of 38.4 months, all 18 survivors were in NYHA class I, with none requiring cardiac medications and all having normal bi-ventricular function without residual defects. Conclusion: With appropriate technical modifications, patients with concordant atrioventricular and discordant ventriculo-arterial connections with a left-sided aorta can undergo successful anatomical repair.
Author(s): Talwar S, Anderson RH, Ramakrishnan P, Bhoje A, Gupta S, Choudhary SK, Airan B
Publication type: Article
Publication status: Published
Journal: Cardiology in the Young
Year: 2017
Volume: 27
Issue: 9
Pages: 1771-1777
Print publication date: 01/11/2017
Online publication date: 11/07/2017
Acceptance date: 09/05/2017
ISSN (print): 1047-9511
ISSN (electronic): 1467-1107
Publisher: Cambridge University Press
URL: https://doi.org/10.1017/S1047951117001238
DOI: 10.1017/S1047951117001238
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