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Right ventricular speckle tracking echocardiography is discussed as a potential tool for decision-making in patients with repaired tetralogy of Fallot, who face an estimated sudden cardiac death incidence of 0.2% per year.
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Right ventricular speckle tracking echocardiography is discussed as a potential tool for decision-making in patients with repaired tetralogy of Fallot who are at risk for RV dysfunction and arrhythmias.
EPE, Lisboa, PortugalAvailable online 14 December 2016 Surgical correction of tetralogy of Fallot (TOF) has evolved in recent years from correction after childhood to early surgery, even in the neonatal period.Before and after correction the right ventricle is mainly affected, experiencing persistent pressure and/or volume overload and intrinsic or acquired right ventricular (RV) myopathy.On follow-up, these patients can present RV enlargement, dysfunction and fibrosis, all with significant clinical impact, such as exercise limitation, RV failure and a substrate for lethal ventricular arrhythmias and sudden cardiac death (SCD). 1 A combination of varying degrees of long-standing pulmonary regurgitation and residual stenosis has been identified as a major issue after TOF correction that over time triggers RV remodeling, affecting ventricular synchrony and coupling and also impairing left ventricular function.2 In long-term follow-up, arrhythmias are a common problem in more than 30% of patients with repaired TOF, sometimes causing adverse outcomes and even SCD, which has an estimated incidence of 0.2% per year in these
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Fátima F. Pinto (2017) conducted an editorial in Tetralogy of Fallot. Right ventricular speckle tracking echocardiography was evaluated. Right ventricular speckle tracking echocardiography is discussed as a potential tool for decision-making in patients with repaired tetralogy of Fallot, who face an estimated sudden cardiac death incidence of 0.2% per year.
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