fifty-four patients with systemic sepsis and signs of circulatory shock were prospectively investigated immediately before and after 1 of 3 therapeutic interventions chosen to increase systemic oxygen delivery ( do2 ) : colloidal fluid loading ( group i , n = 20 ) , blood transfusion ( group ii , n = 17 ) , or catecholamine infusion ( dopamine or dobutamine , group iii , n = 17 ) .
C0007412
catecholamine
C0012963
dobutamine