Hearts late after fontan operation have normal mass, normal volume, and reduced systolic function
A magnetic resonance imaging study
Andreas Eicken, MD*,*,
Sohrab Fratz, MD*,
Christine Gutfried, MD*,
Gunter Balling, MD*,
Markus Schwaiger, PhD ,
Rüdiger Lange, PhD ,
Raymonde Busch, MS ,
John Hess, PhD* and
Heiko Stern, PhD*
* Department of Pediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum, Technische Universität, München, Germany
Department of Nuclear Medicine, Technische Universität, München, Germany
Department of Thoracic and Cardiovascular Surgery, Deutsches Herzzentrum, Technische Universität, München, Germany
Institute of Medical Statistics and Epidemiology, Technische Universität, München, Germany

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Figure 1 End-systolic myocardial mass/body surface area in g/m2. Comparison of patients after Fontan operation with control subjects (p = NS). Box plots express median, 25% and 75% quartiles, minimum, maximum, and outliers (>1.5 interquartile length values). White rectangles = Fontan; striped rectangles = control. p = 0.12.
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Figure 2 End-diastolic ventricular volume/body surface area in ml/m2. Comparison of patients after Fontan operation with control subjects (p = NS). Box plots express median, 25% and 75% quartiles, minimum, maximum, and outliers (>1.5 interquartile length values). White rectangles = Fontan; striped rectangles = control. p = 0.29.
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Figure 3 Ventricular ejection fraction (EF) in percent. Comparison of patients after Fontan operation with control subjects (p < 0.0001). Box plots express median, 25% and 75% quartiles, minimum, maximum, and outliers (>1.5 interquartile length values). White rectangles = Fontan; striped rectangles = control. p < 0.0001.
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