Propofol infusion syndrome

Propofol Infusion Syndrome (PIS) is a rare, but potentially fatal, medical condition that can occur in patients receiving large doses of the anesthetic drug propofol for an extended period of time.

Symptoms

The syndrome is characterized by a sudden onset of rapid heart rate, high levels of acid in the blood (metabolic acidosis), muscle breakdown (rhabdomyolysis), and failure of the heart to pump enough blood (cardiac failure). Other symptoms may include high levels of potassium in the blood (hyperkalemia), high levels of fat in the blood (hyperlipidemia), and kidney failure (renal failure).

Causes

The exact cause of PIS is unknown, but it is thought to be related to the way propofol affects the body's metabolism. Propofol is a powerful sedative and anesthetic that is commonly used in intensive care units (ICUs) to sedate patients who are on a ventilator. It is also used for general anesthesia during surgery.

Diagnosis

Diagnosis of PIS is based on the presence of the characteristic symptoms in a patient who has been receiving propofol. There is no specific test for PIS, but blood tests may show high levels of acid, potassium, and fat in the blood.

Treatment

Treatment of PIS involves discontinuing the use of propofol and providing supportive care. This may include medications to treat the symptoms, dialysis to remove toxins from the blood, and mechanical ventilation to support breathing.

Prevention

Prevention of PIS involves careful monitoring of patients who are receiving propofol, especially those who are receiving high doses for an extended period of time.

See also

• Propofol
• Intensive care unit
• Metabolic acidosis
• Rhabdomyolysis
• Cardiac failure
• Hyperkalemia
• Hyperlipidemia
• Renal failure

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