الفهرس 
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Abstract
This study aimed to : The present study aimed to evaluate right ventricle function indices in patients on HD, and controls and correlation of these parameters with some clinical and laboratory findings. To achieve this target, the present study included 60 patients who were classified into 40 patients on HD, and 20 controls. They were subjected to careful history taking, thorough clinical examination, laboratory investigations and assessment of cardiac functions using convential echo and tissue doppler. In our study, HD group patients were older than control group. Diastolic blood pressure was higher in dialysis group than controls. Heart rates were significantly higher in dialysis patients as compared to controls. In the current study, comparison between the studied dialysis patients and controls regarding the echocardiographic parameters showed statistically significant differences. In the present study, we found significant deterioration of systolic and diastolic function of the RV in the dialysis group either using convential echo or tissue Doppler. Patients on HD presented higher right ventricular diameters and volumes than controls. Right ventricular ejection fraction was significantly reduced in HD patients as compared to control groups. TDI indices of diastolic and systolic function were significantly lower in patients undergoing HD. Ea velocity, measured at both lateral and septal tricuspid annulus, was significantly and progressively reduced in controls and HD patients, HD patients showed a prolonged isovolumic relaxation time. Similar findings were observed for the E/Ea ratio. TDI indices of systolic function showed that lateral and septal Sa velocities were progressively reduced among HD patients as compared to controls.