Accuracy of low dose dobutamine,isosorbide dinitrate alone and in combination stress echocardiography for identifying viable myocardium in patients with old myocardial infarction and severe left ventricular dysfunction:compared with ~(99m)Tc-MIBI/~(18)FDG / 中华超声影像学杂志

(0.05)). The sensitivity and the agreement rate were best at dose of Dob 10 ?g?kg~(-1)?min~(-1) with (86.5)% and (86.5)% (Kappa(0.71)), respectively. When Isoket combined with Dob 3,5 ?g?kg~(-1)?min~(-1), the sensitivities and the agreement rates were both significantly improved than either one used (both P