Clinical value of real-time three-dimentional echocardiography in the evaluation of left atrial volume and systolic function in patients with essential hypertension

Objective To explore the clinical value of real-time three-dimentional echocardiography (RT-3DE) in the evaluation of left atrial volume and function in patients with essential hypertension(EH).Methods One hundred and twenty two subjects were involved in this study,including 40 EH patients with normal left atrial (group A),40 EH patients with increscent left atrial (group B) and 40 healthy subjects (control group).RT-3DE technology was applied to measure the maximum left atrial volume(LAVmax),the minimum left atrial volume(LAVmin),the left atrial volume change value,left atrial ejection fraction (LAEF),left atrial active ejection fraction (LAAEF) and left atrial passive ejection fraction (LAPEF).Results The LAAEF in group A was increased but LAPEF was decreased as compared to those in the control group (P﹤0.05). The LAVmax,LAVmin, LAEF,LASV and LAAEF in group B were increased but LAPEF was decreased as compared to those in the control group (P﹤0.05). The LAVmax,LAVmin and LASV in group A were bigger than those in group B (P﹤0.05).Conclusion RT-3DE technology can accurately and reliably assess the left atrial volume and function and correctly reflect the left ventricular diastolic dysfunction in patients with primary hypertension,which providing evidence for the diagnosis of left ventricle diastole function.