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Table 1 Peking criteria for the definition of severe postreperfusion syndrome in liver transplantation

From: Elevated effluent potassium concentrations predict the development of postreperfusion hyperkalemia in deceased liver transplantation: a retrospective cohort study

Criteria Definition Time of diagnosis
Significant arrhythmias
Bradyarrhythmia Decrease of HR ≥ 15% Early reperfusion period
New-onset arrhythmias Hemodynamically significant arrhythmias (hyperkalemia-related or others) Early reperfusion period
Cardiac arrest Loss of spontaneous heartbeat and requires cardiac massage Early reperfusion period
Refractory hypotension
Severe hypotension Decreased MAP unresponsive to an accumulated bolus of 1 µg/kg EP Early reperfusion period
Persistent hypotension Decrease of MAP ≥ 30% for ≥ 5 min regardless of the dosage of EP Early reperfusion period
New-onset vasoplegia NE ≥ 0.5 µg/kg/min, MAP < 50 mmHg, normal or elevated CO, and low SVR Late reperfusion period
Prolonged vasopressor treatment Postreperfusion hypotension requiring prolonged NE infusion to ICU At the end of the surgery
  1. The presence of one or more of the seven criteria indicates severe postreperfusion syndrome. CO: cardiac output, EP: epinephrine, HR: heart rate, NE: norepinephrine, ICU: intensive care unit, MAP: mean arterial pressure, SVR: systemic vascular resistance