الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Tetralogy of Fallot is the most common complex congenital cyanotic heart disease. Imaging modalities for follow up after operations have to keep up with the advancing surgical techniques. Complications following TOF repair as pulmonary regurge, RV failure and the need for pulmonary valve replacement significantly affect the quality of life. As the life expectancy of post-operative TOF patients has markedly improved, it became mandatory to accurately determine the adequate timing for intervention to resolve these complications. Transthoracic 2D echocardiography and MRI were done for 36 cases referred from pediatric cardiology department, Mansoura University Children Hospital. Right and left ventricular volumes (ESV, ESVI, EDV, EDVI, SV) and function (EF) were evaluated by MRI. Right ventricular size (EDD) and function (TAPSE) were evaluated by echocardiography. Pulmonary arteries diameters, RVOT, VSD patch, aortic root, pulmonary, tricuspid, aortic regurgitation, differential pulmonary flow and variable complications were evaluated. Comparison between MRI and echocardiography regarding evaluation of right ventricular size and function as well as evaluation of pulmonary regurge was done.