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Time Course of Diastolic and Systolic Function Improvement After Pulmonary Valve Replacement in Adult Patients With Tetralogy of Fallot

Alexander van Straten, MD^_*,_*, Hubert W. Vliegen, MD, PhD, Hildo J. Lamb, MD, PhD^_*, Stijntje D. Roes, MD^_*,, Ernst E. van der Wall, MD, PhD, Mark G. Hazekamp, MD, PhD and Albert de Roos, MD, PhD^_*

^_* Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands
Department of Cardiothoracic Surgery, Leiden University Medical Center, Leiden, the Netherlands

View larger version (18K): [in a new window]   Figure 1 Examples of flow curves of blood flow through pulmonary (A) and tricuspid (B) valve. The pulmonary flow curve shows severe pulmonary regurgitation and a small amount of end-diastolic forward flow in the main pulmonary artery (EDFF), the latter being a marker of restriction of the right ventricle. The tricuspid flow curve shows a normal flow pattern with the early filling, peak flow rate (Epfr), slightly higher than the atrial contraction, peak flow rate (Apfr), and no tricuspid regurgitation. Avol = atrial contraction, volume; Evol = early filling, volume.