Review Article
Vasopressors and Nutrition Therapy: Safe Dose for the Outset of Enteral Nutrition?
Table 2
Effect of vasopressors on digestive system circulation.
| Agent | Receptors | Effect |
| Dobutamine | Beta 1 | Increases cardiac output and blood flow to the mucosa | Dopamine | 1 a 4 mcg/kg/min: dopaminergic receptors 5 a 10 mcg/kg/min: beta 1 11 a 20 mcg/kg/min: alpha | Increases cardiac output, redistributes flow to the serous | Norepinephrine | Alpha and beta 1 | Increases splanchnic flow (up to certain doses) | Epinephrine | Alpha | Decreases splanchnic flow | Vasopressin | Direct vascular receptors | Generates intestinal vasoconstriction |
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