Related Experiment Videos
Elevated porphyrins following propofol anaesthesia in acute intermittent porphyria
Anaesthesia
|November 1, 1994
Insights
Propofol anesthesia in patients with acute intermittent porphyria (AIP) led to increased urinary porphyrins post-surgery. Despite elevated levels, the patient showed no adverse clinical effects, suggesting careful monitoring is needed.
Area of Science:
- Anesthesiology
- Metabolic Disorders
- Clinical Pharmacology
Background:
- Acute intermittent porphyria (AIP) is a rare genetic disorder affecting heme biosynthesis.
- Propofol is a commonly used anesthetic agent with a generally favorable safety profile.
- The potential impact of propofol on porphyrin metabolism in AIP patients requires careful consideration.
Observation:
- A patient diagnosed with acute intermittent porphyria underwent a minor orthopedic procedure.
- Anesthesia was induced and maintained using propofol.
- Perioperative monitoring included assessment of urinary porphyrin levels.
Findings:
- Postoperative urinary porphyrin levels in the patient were significantly elevated compared to preoperative baseline values.
- The patient remained clinically well throughout the postoperative period, with no overt signs of an acute porphyric attack.
- This suggests a potential metabolic effect of propofol on porphyrin excretion in AIP.
Implications:
- Caution is advised when administering propofol to patients with acute porphyrias.
- Further research is warranted to elucidate the precise mechanism of propofol's effect on porphyrin metabolism.
- Clinical vigilance and monitoring of porphyrin levels may be beneficial in AIP patients receiving propofol anesthesia.
Abstract:
A patient with acute intermittent porphyria was anaesthetised with propofol for a minor orthopaedic procedure. Postoperative urinary porphyrins were markedly raised compared to pre-operative values, although the patient remained clinically well. Caution should continue to be exercised when propofol is used in patients with acute porphyrias.