Acute Liver Failure Transfer Criteria

Arrange immediate transfer to a liver transplant center for a patient without established chronic liver disease who has acute hepatocellular injury, an INR of at least 1.5, and hepatic encephalopathy. This combination defines acute liver failure and identifies patients at risk for rapidly progressive cerebral edema, intracranial hypertension, multiorgan failure, or death without hepatic recovery or emergency transplantation. BMJ+2BMJHepatic encephalopathy: Part 2, inpatient management | Frontline GastroenterologyWileyManaging the patient with acute liver failure - Clinical Liver DiseaseWileyAcute Liver Failure (ALF) in Pregnancy - Deep Blue Repositories

Call the receiving transplant center as soon as encephalopathy is recognized rather than waiting for deep coma, a completed etiologic workup, or fulfillment of prognostic criteria. Liver transplantation is the definitive treatment for acute liver failure when regeneration does not occur, and prognostic assessment is most useful when performed early enough to preserve transplant opportunity. BMJ+2BMJHepatic encephalopathy: Part 2, inpatient management | Frontline GastroenterologyScienceDirectLiver Transplantation for Acute Liver Failure- Indication, Prioritization, Timing, and Referral - ScienceDirectScienceDirectHow to decide when to list a patient with acute liver failure for liver transplantation? Clichy or King’s College criteria, or something else? - ScienceDirect

Use the highest level of transport and destination capability compatible with the patient's trajectory. Patients with worsening mental status, hemodynamic instability, respiratory compromise, renal failure, or concern for cerebral edema require ICU-to-ICU transfer with airway and hemodynamic support available during transport. Acute liver failure management differs from cirrhosis-associated encephalopathy because rapidly developing hyperammonemia can cause cerebral edema and intracranial hypertension. BMJ+2BMJHepatic encephalopathy: Part 2, inpatient management | Frontline GastroenterologyWileyLiver intensive care for the general intensivistbjanaesthesiaManagement of acute liver failure in intensive care

Patients with severe acute liver injury should undergo serial assessment of INR and neurologic status because progression to INR at least 1.5 with encephalopathy changes the diagnosis to acute liver failure and requires emergency transfer. A rising INR or new confusion, asterixis, somnolence, or impaired arousal should trigger same-day discussion with a transplant center even while repeat testing and etiologic evaluation continue. Wiley+2WileyManaging the patient with acute liver failure - Clinical Liver DiseaseWileyAcute Liver Failure (ALF) in Pregnancy - Deep Blue RepositoriesbjanaesthesiaManagement of acute liver failure in intensive care

Treat worsening hepatic encephalopathy as a time-sensitive escalation marker. In acute liver failure, hyperammonemia may culminate in cerebral edema and intracranial hypertension; centers with advanced liver ICU capability can provide neuroprotective monitoring, osmotic therapy for intracranial-pressure surges, continuous renal replacement therapy, therapeutic plasma exchange, and emergency transplantation. BMJ+1BMJHepatic encephalopathy: Part 2, inpatient management | Frontline GastroenterologyWileyLiver intensive care for the general intensivist

Use etiology to lower the threshold for early transfer, not to delay it. Acetaminophen-related acute liver failure, hepatitis A-associated acute liver failure, and ischemic liver injury have reported transplant-free survival above 60% in one multicenter experience, whereas idiosyncratic drug reactions, hepatitis B, Budd-Chiari syndrome, autoimmune hepatitis, and indeterminate acute liver failure had reported transplant-free survival of only 15% to 20%. These outcome differences support early transplant-center involvement for etiologies with lower expected spontaneous recovery. ScienceDirectScienceDirectHow to decide when to list a patient with acute liver failure for liver transplantation? Clichy or King’s College criteria, or something else? - ScienceDirect

For known or suspected acetaminophen ingestion, obtain a serum acetaminophen concentration immediately when presentation is at least 4 hours after ingestion; concentrations obtained earlier than 4 hours may be misleading. If ingestion occurred within a few hours of presentation, administer activated charcoal immediately before N-acetylcysteine to reduce systemic absorption. Do not delay N-acetylcysteine or transfer planning while awaiting transfer logistics. dailymed nlm nihdailymed nlm nihACETAMINOPHEN AND CODEINE PHOSPHATE TABLETS, USP300 mg/30 mg and 300 mg/60 mg

Acetaminophen-associated injury can progress to acute liver failure despite initially incomplete history or low perceived risk. Acetaminophen doses exceeding 4,000 mg/day, particularly use of multiple acetaminophen-containing products, are associated with acute liver failure; risk is higher with underlying liver disease or alcohol ingestion. Obtain a complete medication reconciliation that includes prescription analgesics, over-the-counter cold products, and combination opioids. dailymed nlm nihdailymed nlm nihACETAMINOPHEN AND CODEINE PHOSPHATE TABLETS, USP300 mg/30 mg and 300 mg/60 mg

For non-acetaminophen acute liver failure, consider intravenous acetylcysteine during early-stage disease because it improves transplant-free survival in early non-acetaminophen acute liver failure. This is adjunctive treatment and does not replace transfer, ICU monitoring, or transplant assessment. BMJ+1BMJHow to manage: acute liver failure - Frontline GastroenterologyScienceDirectLiver Transplantation for Acute Liver Failure- Indication, Prioritization, Timing, and Referral - ScienceDirect

If encephalopathy is present, prioritize airway protection, serial neurologic assessment, and transfer to an ICU environment capable of detecting and treating cerebral edema. Continuous renal replacement therapy and therapeutic plasma exchange are described ammonia-lowering approaches in acute liver failure; their availability is a practical reason to transfer early rather than attempt prolonged management in a nontransplant setting. BMJBMJHepatic encephalopathy: Part 2, inpatient management | Frontline Gastroenterology

At the transplant center, assess likelihood of spontaneous recovery repeatedly rather than relying on a single laboratory value. King’s College criteria, lactate after fluid resuscitation in acetaminophen-related acute liver failure, MELD-based approaches, and dynamic models are used for prognosis, but prognostic criteria are imperfect—particularly for identifying patients who will survive without transplantation. ScienceDirect+2ScienceDirectPrognostic models in acute liver failure-historic evolution and newer updates “prognostic models in acute liver failure” - ScienceDirectScienceDirectHow to decide when to list a patient with acute liver failure for liver transplantation? Clichy or King’s College criteria, or something else? - ScienceDirectScienceDirectAbility of King's College Criteria and Model for End-Stage Liver Disease Scores to Predict Mortality of Patients With Acute Liver Failure: A Meta-analysis - ScienceDirect

A post-resuscitation serum lactate can add prognostic information in acetaminophen-induced acute liver failure. Its clinical role is to strengthen risk assessment alongside established criteria after adequate fluid resuscitation, not to provide a stand-alone reason to withhold transfer from a patient with established acute liver failure. ScienceDirectScienceDirectHow to decide when to list a patient with acute liver failure for liver transplantation? Clichy or King’s College criteria, or something else? - ScienceDirect

Early referral protects the window for high-urgency listing and transplantation. In adults with acute liver failure, overall 21-day survival improved from 67.1% to 75.3% across two 8-year eras, while transplant-free survival improved from 45.1% to 56.2%, reflecting advances in critical care and transplantation but not eliminating the need for rapid specialty transfer. acpjournals+1acpjournalsOutcomes in Adults With Acute Liver Failure Between 1998 and 2013ScienceDirectLiver Transplantation for Acute Liver Failure- Indication, Prioritization, Timing, and Referral - ScienceDirect

First, confirm whether the patient has acute liver failure: acute liver injury, INR at least 1.5, and encephalopathy in the absence of established chronic liver disease. If present, contact a liver transplant center immediately and request ICU acceptance. Wiley+2WileyManaging the patient with acute liver failure - Clinical Liver DiseaseWileyAcute Liver Failure (ALF) in Pregnancy - Deep Blue RepositoriesScienceDirectLiver Transplantation for Acute Liver Failure- Indication, Prioritization, Timing, and Referral - ScienceDirect

Second, document the trajectory for the accepting team: timing of symptom onset, change in mental status, serial INR values, suspected acetaminophen exposure and level timing, medication and toxin exposures, alcohol use, pregnancy status, and known chronic liver disease. Etiologic distinction matters because outcome and transplant-free survival differ across acetaminophen, viral, ischemic, drug-induced, autoimmune, vascular, and indeterminate presentations. dailymed nlm nih+2dailymed nlm nihACETAMINOPHEN AND CODEINE PHOSPHATE TABLETS, USP300 mg/30 mg and 300 mg/60 mgWileyFIGO guideline on liver disease and pregnancy - Nana - 2025 - International Journal of Gynecology & Obstetrics - Wiley Online LibraryScienceDirectHow to decide when to list a patient with acute liver failure for liver transplantation? Clichy or King’s College criteria, or something else? - ScienceDirect

Third, treat immediately actionable causes while transport is arranged. For suspected acetaminophen exposure, obtain the appropriately timed level, give activated charcoal when presentation is within a few hours, and begin N-acetylcysteine. For early non-acetaminophen acute liver failure, consider acetylcysteine. dailymed nlm nih+1dailymed nlm nihACETAMINOPHEN AND CODEINE PHOSPHATE TABLETS, USP300 mg/30 mg and 300 mg/60 mgBMJHow to manage: acute liver failure - Frontline Gastroenterology

Fourth, communicate neurologic and organ-support needs before departure. New or progressive encephalopathy, hyperammonemia-related concern for cerebral edema, renal support needs, or hemodynamic instability should prompt transfer directly to a liver ICU/transplant center rather than an intermediate ward-level destination. BMJ+2BMJHepatic encephalopathy: Part 2, inpatient management | Frontline GastroenterologyWileyLiver intensive care for the general intensivistbjanaesthesiaManagement of acute liver failure in intensive care