Vasopressor Weaning

Before decreasing an infusion, confirm that MAP is greater than 65 mmHg on a stable vasopressor dose. The CLOVERS protocol targeted MAP 65 to 75 mmHg and initiated weaning only after MAP exceeded 65 mmHg on a stable dose; use recurrent MAP below 65 mmHg during tapering as a trigger to restore the prior effective dose and reassess the cause of instability. cdn clinicaltrialscdn clinicaltrials[PDF] Crystalloid Liberal or Vasopressors Early Resuscitation in Sepsis

Do not interpret a normal MAP alone as recovery from shock. Reassess the original hemodynamic defect and the current response to volume management before tapering: passive-leg-raise-induced stroke-volume change can identify fluid responsiveness, while capillary refill time provides a noninvasive peripheral perfusion target. These approaches support individualized resuscitation rather than empiric fluid administration for every hypotensive episode. Wolters KluwerWolters KluwerWhy Has Biomarker-Guided Fluid Resuscitation for... : Critical Care Explorations

In cardiogenic shock, conduct a daily readiness assessment that includes hemodynamic stability, aggregate vasoactive support, volume status, and whether the precipitating cause has been corrected or improved. Failure to stabilize on initial pharmacologic support should prompt consultation with, or transfer consideration to, a Level 1 cardiogenic-shock center for temporary mechanical circulatory support or advanced therapies. jaccjacc2025 Concise Clinical Guidance: An ACC Expert Consensus Statement on the Evaluation and Management of Cardiogenic Shock: A Report of the American College of Cardiology Solution Set Oversight Committee

For a patient who meets readiness criteria, reduce the active vasopressor by at least 25% of the stabilizing dose at intervals no longer than 4 hours, maintaining MAP at least 65 mmHg. This is a pragmatic protocolized method used in CLOVERS; it provides a concrete default when local ICU policy does not specify a taper rate. cdn clinicaltrialscdn clinicaltrials[PDF] Crystalloid Liberal or Vasopressors Early Resuscitation in Sepsis

Continue close arterial-pressure surveillance during each reduction. A hypotensive response is not simply a failed wean: it should prompt reassessment for persistent vasodilation, inadequate intravascular volume, or impaired cardiac output using the same hemodynamic framework that guided resuscitation. Passive-leg-raise stroke-volume testing and capillary refill reassessment can help distinguish a potentially fluid-responsive state from one requiring another strategy. Wolters KluwerWolters KluwerWhy Has Biomarker-Guided Fluid Resuscitation for... : Critical Care Explorations

Avoid using prolonged low-dose infusion as a substitute for reassessment of shock etiology. In cardiogenic shock, selection and dose of vasoactive therapy should reflect the dominant hemodynamic pattern; norepinephrine is a reasonable first choice for most hypotensive patients, whereas dobutamine and milrinone increase cardiac output but may lower or leave blood pressure unchanged. jaccjacc2025 Concise Clinical Guidance: An ACC Expert Consensus Statement on the Evaluation and Management of Cardiogenic Shock: A Report of the American College of Cardiology Solution Set Oversight Committee

In septic shock, norepinephrine remains the primary vasopressor and vasopressin is used as an adjunct to increase MAP or reduce norepinephrine dose. Guidance cited in the literature supports vasopressin up to 0.03 units/min for these purposes, but does not define a single norepinephrine threshold for initiating vasopressin; local practice therefore varies substantially. ScienceDirect+2ScienceDirectEffects of the discontinuation sequence of norepinephrine and vasopressin on hypotension incidence in patients with septic shock: A meta-analysis - ScienceDirectWolters KluwerVasopressor weaning in sepsis: Debate is being continued! : Journal of Anaesthesiology Clinical Pharmacologycdn clinicaltrials[PDF] VASSPR-Study protocol v1.1A (clean) - ClinicalTrials.gov

For patients receiving both agents, the discontinuation order is unsettled. A meta-analysis of nine studies involving 1,245 patients found a higher risk of hypotension when vasopressin was withdrawn before norepinephrine. Another systematic review and meta-analysis included five studies and 930 patients, but pooled ICU mortality was not significantly different between norepinephrine-first and vasopressin-first groups (risk ratio 1.11, 95% CI 0.79-1.56), nor was in-hospital mortality significantly different (risk ratio 1.22, 95% CI 0.86-1.74). ScienceDirect+1ScienceDirectEffects of the discontinuation sequence of norepinephrine and vasopressin on hypotension incidence in patients with septic shock: A meta-analysis - ScienceDirectPubMedIncidence of Hypotension after Discontinuation of Norepinephrine or Arginine Vasopressin in Patients with Septic Shock: a Systematic Review and Meta-Analysis - PMC

The clinical literature is conflicting at the patient-level and trial level: a small randomized trial stopped early after enrolling 85 patients reported nearly threefold more hypotension at 1 hour with norepinephrine-first than vasopressin-first tapering, whereas a cohort of more than 500 patients found no difference in hypotension within 24 hours. Use the sequence that allows incremental reduction with immediate MAP rescue; do not claim a proven survival advantage for either sequence. Wolters KluwerWolters KluwerVasopressor weaning in sepsis: Debate is being continued! : Journal of Anaesthesiology Clinical Pharmacology

Midodrine is an oral alpha-1 agonist approved for orthostatic hypotension and increasingly used off-label to facilitate intravenous vasopressor liberation in sepsis and other resolving shock states. A pragmatic sepsis trial is evaluating enteral midodrine 10 mg three times daily, underscoring that its role in sepsis-associated hypotension remains under active study rather than established routine care. BMJBMJMidodrine for Sepsis Treatment and Early Vasopressor Weaning (MID-STEP): protocol for a pragmatic randomised clinical trial | BMJ Open

Trial regimens have included midodrine 20 mg three times daily in patients on stable vasopressors for more than 24 hours and 10 mg three times daily in smaller weaning studies. However, a prospective randomized trial using fixed-dose 20 mg every 8 hours did not expedite vasopressor discontinuation, whereas retrospective experience with every-6-hour dosing suggested more frequent reduction in intravenous vasopressor requirements within 24 hours. These conflicting data do not establish a preferred dose or schedule for ICU weaning. Wolters Kluwer+1Wolters KluwerHemodynamic Effects of an Increased Midodrine Dosing... : Critical Care ExplorationsWolters KluwerAdjunctive Midodrine Therapy for... : Critical Care Medicine

If midodrine is used, document its off-label intent, use it only after enteral absorption is feasible and the patient is otherwise in a resolving phase, and monitor for bradycardia. Do not delay escalation of intravenous support or definitive treatment of recurrent shock in order to continue an oral-agent trial. BMJ+1BMJMidodrine for Sepsis Treatment and Early Vasopressor Weaning (MID-STEP): protocol for a pragmatic randomised clinical trial | BMJ OpenWolters KluwerAdjunctive Midodrine Therapy for... : Critical Care Medicine

Droxidopa is another emerging off-label enteral option; systematic-review findings suggest it may facilitate vasopressor weaning, but dosing and study approaches vary. It should therefore be reserved for individualized specialist-directed use rather than protocolized first-line liberation. Wiley+1WileyReview Article Droxidopa in Critical Care - Wiley Online LibraryWileyDroxidopa in Critical Care: A Systematic Review of an Emerging Off ...

When MAP cannot be maintained at 65 mmHg after a dose reduction, restore the last effective vasopressor dose and reassess whether the patient is fluid responsive using passive leg raise with stroke-volume measurement. A positive dynamic response supports a fluid-responsive physiology; a nonresponsive result argues against routine additional fluid and requires reassessment of vascular tone and cardiac output. Wolters Kluwer+1Wolters KluwerWhy Has Biomarker-Guided Fluid Resuscitation for... : Critical Care Explorationscdn clinicaltrials[PDF] Crystalloid Liberal or Vasopressors Early Resuscitation in Sepsis

For septic shock on norepinephrine and vasopressin, recurrent hypotension after stopping either agent should be managed as a hemodynamic event rather than attributed solely to the sequence. The literature shows discordant sequence findings and no demonstrated ICU or in-hospital mortality difference, so the next action is restoration of adequate pressure and renewed assessment of the underlying physiology. Wolters Kluwer+1Wolters KluwerVasopressor weaning in sepsis: Debate is being continued! : Journal of Anaesthesiology Clinical PharmacologyPubMedIncidence of Hypotension after Discontinuation of Norepinephrine or Arginine Vasopressin in Patients with Septic Shock: a Systematic Review and Meta-Analysis - PMC

For cardiogenic shock with persistent or rising vasoactive needs despite initial pharmacologic treatment, contact a Level 1 cardiogenic-shock center and consider transfer for temporary mechanical circulatory support and advanced therapies. Daily reassessment should include whether the causal lesion or insult has been corrected and whether total pharmacologic support is falling. jaccjacc2025 Concise Clinical Guidance: An ACC Expert Consensus Statement on the Evaluation and Management of Cardiogenic Shock: A Report of the American College of Cardiology Solution Set Oversight Committee