Abstract:Background: Vasoactive drugs are routinely used clinically to alter mean arterial blood pressure (MAP) and cardiac output (CO) and to maintain organ perfusion. However, the effect of such drugs on microvascular visceral blood flow (MiBF) is not fully understood. We aimed to track changes in renal MiBF, using the well-validated technique of Contrast Enhanced Ultrasound (CEUS), across a range of MAP and CO generated via the vasoactive drugs, phenylephrine and ephedrine.Methods: Baseline cardiovascular measuremen… Show more
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