EVALUATION OF THREE-ECHOCARDIOGRAM ON RIGHT CARDIAC FUNCTION OF PATIENTS WITH ATRIUM ATRIA SEPTAL DEFECTS

Objectives To evaluate RV volume and function in patients with ASD by three-dimensional echocardiography. Methods Three-dimensional echocardiography was performed in 58 patients with ASD and 32 healthy people (control group) to calculate RVEDV (Right ventricular end-diastolic volume), RVESV(Right ventricular end-systolic volume) and RVEF (Right ventricular ejection fraction). Results The RVEDV and RVESV (respectively [(101.74±25.17) vs (59.65±15.00) ml, P0.001]; [(56.81±16.77) vs (27.83±9.17) ml, P0.001] were enlarged in patients with ASD compared with that in normal subjects, resulting in a marked decrease of the RVEF [(44.82±4.51)% vs (54.11±5.89)%, P0.001] from normal values. Conclusions The right ventricular volume overload is higher and the RV function decreases in patients with ASD compared with those in normal subjects.