• N Laquay, S Prieur, B Greff, P Meyer, and G Orliaguet.
• Département d'anesthésie réanimation, samu de Paris, hôpital Necker-Enfants-Malades, AP-HP, université Paris Descartes, 149, rue de Sèvres, 75743 Paris cedex 15, France.
• Ann Fr Anesth Reanim. 2010 May 1;29(5):377-86.

ObjectivePropofol is commonly used for sedation of children or adult patients in intensive care unit as an alternative to benzodiazepines for the long-term sedation of mechanically ventiled patient. However, the life-threatening complication of propofol-infusion syndrome (PRIS) may in some case occur. The objective of this article is to review the clinical features, physiopathology and management of PRIS.Data SourcesA PubMed database research in English and French languages published until December 2008. Keywords were propofol, propofol infusion syndrome (PRIS), rhabdomyolysis, heart failure, arrhythmias, metabolic acidosis, brain injury, sedation, intensive care.Data SynthesisPRIS is a rare and potentially lethal complication, especially if there's no early identification of the syndrome. The physiopathology of PRIS mechanism remains unclear, however a dysfunction of mitochondrial respiratory chain could be involved and potential genetic factor may account. Clinical features consist of arrhythmias, metabolic acidosis, lipemia, rhabdomyolisis, myoglobinuria. PRIS has been described classically in children and adults undergoing a long term infusion with propofol (more than 48 hours) at doses higher than 4 mg/kg per hour. However, it can be observed with lower doses and after shorter duration of sedation. Steroids, vasopressors and low carbohydrate intake act as triggering factors. Early recognition of the syndrome improve patient's outcome. Propofol infusion must be avoided in susceptible patients and another sedative agent should be considered. When using prolonged sedation with propofol, arrhythmia and serum triglyceridemia level should be monitored.Copyright 2010 Elsevier Masson SAS. All rights reserved.

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