Cardiac cyclic variation of integrated backscatter in hypertension and dialysis patients (original) (raw)

Journal of nephrology

Abstract

Cyclic variation of myocardial-integrated backscatter (CV-IB) offers a non-invasive myocardial contractile performance assessment. There is limited data concerning CV-IB in end-stage renal disease (ESRD) patients. Forty essential hypertensive (EH) patients (mean age 51+/-8 yrs) and 24 ESRD patients (mean age 49+/-14 yrs) were compared to 10 healthy controls (mean age 45+/-10 yrs). A 2D-Doppler echocardiography with digitized imaging was performed to characterize myocardial ultrasonic tissue by CV-IB between systole and diastole at the interventricular septum (IVS) and left ventricular (LV) posterior wall (PW). There was no significant difference between age and sex among groups. Systolic and diastolic blood pressures (BP) were both higher in EH patients (157/96 mmHg in EH, 129/81 mmHg in ESRD and 115/77 mmHg in controls, p<0.001). Left ventricular mass index (LVMI) was higher in EH and ESRD patients than in controls (respectively, 119+/-37, 130+/-46, 87+/-12 g/m2, p<0.05), whi...

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