AIMS The study set out to assess the relative contributions of donor heart rate, respiration and recipient atrial contraction on the mean of pulsed wave transmitral Doppler flow indices in orthotopic heart transplant recipients. This would provide information on the theoretical usefulness of pacemaker synchronization of recipient atrial contraction, as well as on the validity of certain strateg...

AIMS Diastolic heart failure is a frequent entity but difficult to diagnose. N-terminal pro-B type natriuretic peptide (NT-proBNP) was therefore investigated as a possible non-invasive parameter to diagnose isolated diastolic dysfunction. METHODS AND RESULTS Sixty-eight symptomatic patients with isolated diastolic dysfunction and preserved left ventricular ejection fraction (LVEF) (> or =50%)...

In order to identify left ventricular diastolic function in patients with betathalassemia major and normal systolic function by noninvasive M-mode and Doppler echocardiography, an analytic study was designed in a university hospital in Sari. We have studied 44 patients (23 men and 21 women), mean age 15.48±2.16 (range 12 to 20) and 43 age and sex matched control subjects. Peak flow velocit...

Left ventricular diastolic dysfunction is a main feature of diabetic heart disease. The aim of this prospective study was to evaluate the relation of hemoglobin A1c and diastolic function in type 1 diabetes mellitus. We examined echocardiographic studies of 25 patients with type 1 diabetes without clinical evidence of heart disease and 25 healthy ageand sex-matched normal individuals. In patien...

  Background: Attention deficit hyperactivity disorder (ADHD) is one of the most common psychiatric disorders in children. Children with ADHD usually have low blood pressure and weight disorders. Therefore, the present randomized clinical trial was conducted to evaluate the effect of Dietary Approaches to Stop Hypertension (DASH) on weight and blood pressure of children with ADHD. Methods: In ...

Although rotational parameters by speckle tracking echocardiography (STE) have been previously compared to sonomicrometry and cardiac magnetic resonance imaging, few have examined the relationship between left ventricular (LV) rotational mechanics and intraventricular measures of load-independent contractility, LV stiffness, or ventriculoarterial coupling. The aim of this study was to compare t...

OBJECTIVE The objective of this study was to evaluate the effect of myocardial hypertrophy on systolic and diastolic properties of the left ventricle in children. BACKGROUND In children with myocardial hypertrophy, ejection phase indices are invariably increased. However, indices of force-generation, e.g., end-systolic elastance and invasive indices of diastolic properties, have been studied ...

BACKGROUND Various conventional methods are used for functional evaluation and risk stratification in heart failure. A combined index of global myocardial performance called the Tei index has been described. The aim of this study was to evaluate the correlation of the Tei index with other conventional indices of systolic and diastolic function among Nigerians with hypertensive heart failure. ...