Comparison of exercise electrocardiography and dobutamine echocardiography with invasively assessed myocardial fractional flow reserve in evaluation of severity of coronary arterial narrowing.
This study compares side-by-side exercise electrocardiography and dobutamine echocardiography with an invasively assessed index of myocardial flow (pressure-derived myocardial fractional flow reserve). The data show that ST-segment depression > or = 0.1 mV and the occurrence of new wall motion abnormalities during dobutamine infusion reflect a similar impairment of myocardial blood flow.
Bartunek
J
J
Cardiovascular Center, Aalst, Belgium.
Van Schuerbeeck
E
E
de Bruyne
B
B
D002316:Cardiotonic Agents; D003326:Coronary Circulation; D003327:Coronary Disease / Q000175:diagnosis*; D004280:Dobutamine; D004452:Echocardiography; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006439:Hemodynamics; D006801:Humans; D007262:Infusions, Intravenous; D008297:Male; D008875:Middle Aged; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index
D002316:Cardiotonic Agents; D004280:Dobutamine