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Follow-up of our patients with transposition of the great arteries and arterial switch operation; comparison of simple and complex transposition cases

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Author(s): Osman Akdeniz | Canan Ayabakan | Uygar Yörüker | Kürşad Tokel | Özlem Sarısoy | Rıza Türköz | Can Vuran | Bülent Sarıtaş | Çağrı Günaydın | Emre Özker

Journal: Anadolu Kardiyoloji Dergisi
ISSN 1302-8723

Volume: 11;
Issue: 8;
Start page: 726;
Date: 2011;
Original page

Keywords: Transposition of the great arteries | arterial switch | ventricular septal defect

ABSTRACT
Objective: 1. Follow-up data of patients with simple transposition of great arteries (TGA) and TGA with ventricular septal defect (VSD), who had arterial switch operation (ASO) are compared. 2. Factors affecting mortality and morbidity after ASO are described.Methods: Seventy-six patients, who had an ASO between April 2007 and August 2010 were studied retrospectively. The patients with intact ventricular septum (IVS) (n=36) were in Group1, and those with VSD (n=40) in Group 2. The pre and postoperative clinical and echocardiographic variables and intensive care unit (ICU) outcomes were compared among groups using Mann-Whitney U, Pearson correlation and logistic regression tests.Results: The mean age at operation was 44.1 days, weight was 3.6±0.98 kg. Patients were followed for 15.5±11.21 months. The aortic cross-clamp (AoCC) and cardiopulmonary bypass (CPB) times were higher in patients with VSD (p=0.001, p=0.004). Patients in Group 1 had longer inotropic agent infusion (p=0.001). Length of stay in ICU was similar in two groups (p>0.05). There was no correlation between the length of stay in ICU and age, weight, CPB time, AoCC time. Aortic regurgitation was more frequent in Group 2 (p=0.02). During follow-up, 12 patients died (15.7%), and 8 patients had a revision operation (10.5%) (diaphragmatic plication in 4, pulmonary artery reconstruction in 1, recoarctation operation in 3 patients). Mortality was similar in groups (p>0.05).Conclusion: Arterial switch operation provides anatomical correction in TGA. Appropriate timing and good perioperative planning facilitates low morbidity and mortality in patients with VSD as in patients with simple TGA.
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