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True anaphylaxis to suxamethonium chloride. A case report
British Journal of Anaesthesia
|June 1, 1978
Summary
A patient experienced a severe allergic reaction to suxamethonium chloride, despite previous uneventful administrations. Immunological studies confirmed a type I hypersensitivity, indicating prior sensitization to this muscle relaxant.
Area of Science:
- Anesthesiology
- Immunology
- Pharmacology
Background:
- Suxamethonium chloride is a common neuromuscular blocking agent used in anesthesia.
- Previous uneventful exposure to suxamethonium chloride does not preclude future hypersensitivity reactions.
Observation:
- A patient developed a severe anaphylactic reaction during anesthesia.
- The patient had received suxamethonium chloride without incident on four prior occasions.
Findings:
- Immunological investigations confirmed the reaction was a classical type I hypersensitivity.
- This indicates pre-existing sensitization to suxamethonium chloride.
Implications:
- Clinicians should be aware of the potential for delayed hypersensitivity to suxamethonium chloride.
- Preoperative screening or caution may be warranted in patients with a history suggestive of allergy.
- Type I hypersensitivity reactions to suxamethonium chloride require prompt recognition and management.