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Left ventricular remodeling index (LVRI) was assessed in patients with hypertensive heart disease (HHD) and coronary artery disease (CAD) by real-time three-dimensional echocardi-ography (RT3DE).RT3DE data of 18 patients with HHD,20 patients with CAD and 22 normal con-trols (NC) were acquired.Left ventricular end-diastolic volume (EDV) and left ventricular end-diastolic epicardial volume (EDVepi) were detected by RT3DE and two-dimensional echocar-diography Simpson biplane method (2DE).LVRI (left ventricular mass/EDV) was calculated and compared.The results showed that LVRI measurements detected by RT3DE and 2DE showed sig-nificant differences inter-groups (P0.05),but significant difference in HHD and CAD intra-group (P