P673Improvement of arterial stiffness and myocardial deformation in patients with poorly controlled diabetes mellitus type 2 after optimization of antidiabetic medicationP674Clinical presentation, echocardiographic findings and complications in patients with typical and atypical form of takotsubo cardiomyopathyP675Left ventricular mass/end-diastolic volume ratio with tridimensional echocardiography in newly-diagnosed hypertensive patients: which relation between left ventricular geometry and stroke volume?P676Endothelial dysfunction: the link between arterial hypertension, diabetes mellitus and heart diseaseP677Dynamic of changes of arterial stiffness evaluated by cardio-ankle vascular index(CAVI) during the growth and development of childr