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  • Title: [Treatment of Fallot tetralogy with a transannular patch. Six years follow-up].
    Author: Galicia-Tornell M, Reyes-López A, Ruíz-González S, Bolio-Cerdán A, González-Ojeda A, Fuentes-Orozco C.
    Journal: Cir Cir; 2015; 83(6):478-84. PubMed ID: 26233467.
    Abstract:
    BACKGROUND: Primary repair of Fallot tetralogy has been performed successfully for the last 45 years. It has low surgical mortality (< 5%), with excellent long-term results. However, there are delayed adverse effects: progressive right ventricular dilation and dysfunction, arrhythmia, and sudden death. In our centre, Fallot tetralogy is the most common form of cyanotic congenital heart disease (including transannular patch) and accounts for 7.5% of all cardiovascular surgical procedures. The mid-term follow-up results are reported. MATERIAL AND METHODS: Case series. The study included patients who had complete repair of Fallot tetralogy with transannular patch from January 2000 to December 2009. An analysis was performed on the clinical variables, morbidity and mortality. RESULTS: There were 52 patients in the study, with mean age 4 ± 2 years. Perioperative mortality in 6 patients, with 5 associated with residual right ventricular obstruction and, 1 associated with further surgery. The survival rate was 88% (46) patients, with a follow-up 75 ± 26 months. Late morbidity occurred in 14, due to right ventricular dysfunction in 11, recurrent distal obstruction in 2, and residual ventricular septal defect in 1. Associated risk factors were severe pulmonary insufficiency (p=0.001); QRS > 160 ms, p=0.001); cardiothoracic > 0.60 index, (p=0.048), and tricuspid regurgitation (p=0.001). CONCLUSIONS: There was reasonable long-term survival and excellent quality of life after total correction of Fallot tetralogy; however, progressive right ventricular dysfunction requires continuous monitoring, as well as the choice of optimal timing of pulmonary valve replacement.
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