Differences between early versus late correction of Tetralogy of Fallot (TOF) in cardiac Magnetic Resonance (CMR)
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POSTER PRESENTATION
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Differences between early versus late correction of Tetralogy of Fallot (TOF) in cardiac Magnetic Resonance (CMR) Matthias Grothoff*, Janine Hoffmann, Kai Boegershausen, Matthias Gutberlet From 2011 SCMR/Euro CMR Joint Scientific Sessions Nice, France. 3-6 February 2011 Introduction Tetralogy of Fallot can be repaired with low mortality and most patients reach adulthood. Nevertheless the optimal timing of surgery remains controversial. Purpose To evaluate differences between early versus late correction of Tetralogy of Fallot (TOF) in cardiac Magnetic Resonance (CMR). Methods CMR was performed in 55 patients (20 male) using a 1.5T scanner. RV-volumes and pulmonary-regurgitantfractions (PRF) were calculated from standard cinesequences and flow-sensitive gradient-echo images, respectively. Scar tissue was quantified from Delayed Enhancement (DE) imaging. Patients were divided into two groups depending age at total repair (group 1≤1year, n=25; group2>1years, n=30). Results In 50 patients (91%) RV image quality was diagnostic for quantification of RV DE. Patients of group 2 demonstrated with a significantly higher RV DE (p
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