Norepinephrine Dosing and Titration Guidelines

Initial Dosing and Titration Strategy

The American College of Gastroenterology recommends starting norepinephrine at a lower dose in patients with cirrhosis and hepatorenal syndrome, with a gradual increase of 0.5 mg/h, and a maximum dose of 3 mg/h 1
The European Society of Intensive Care Medicine recommends targeting a mean arterial pressure (MAP) of 65 mmHg as the primary endpoint for septic shock, with norepinephrine titration to maintain MAP between 65-100 mmHg sufficient for vital organ perfusion 2, 3

The American Association for the Study of Liver Diseases recommends using more gradual titration (0.5 mg/h increments every 4 hours) with a maximum of 3 mg/h in cirrhosis patients, and considering vasopressin earlier as a second-line agent 1, 3

The Society of Critical Care Medicine recommends monitoring hemodynamic response continuously during titration using arterial line monitoring, and assessing end-organ perfusion markers: urine output, lactate levels, skin perfusion (temperature, capillary refill) 1, 2, 4

The European Society of Intensive Care Medicine recommends adding vasopressin 0.03 units/min (not to exceed 0.03-0.04 units/min) to either raise MAP or allow reduction of norepinephrine dose, and considering hydrocortisone 50 mg IV every 6 hours (or 200 mg continuous infusion) for refractory shock requiring high-dose vasopressors 2, 3

The American College of Medical Toxicology recommends always administering norepinephrine through a central venous line whenever possible to prevent tissue necrosis from extravasation, and ensuring adequate volume resuscitation is occurring concurrently 4