QRS duration after pulmonary valve replacement in adults with repaired Tetralogy of Fallot: Prediction of ventricular arrhythmia and correlation with right ventricular size
Abstract:Objectives
The aim of this study is to analyze the relationship between QRS duration after pulmonary valve replacement (PVR) and ventricular arrhythmias (VA) in patients with repaired tetralogy of Fallot (ToF).
Background
ToF patients may face complications such as heart failure and VA after primary repair, often mitigated by PVR. Prior studies have shown a decrease in QRS duration and right ventricular (RV) size following PVR. It remains unclear whether a lack of QRS duration reduction identifies patients a… Show more
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