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The bispectral index during an anaphylactic circulatory arrest
1Department of Anaesthesia, North Shore Hospital, Auckland, New Zealand.
Anaesthesia and Intensive Care
|October 24, 2001
Summary
A patient with Cushing's syndrome experienced anaphylaxis during anesthesia, leading to cardiac arrest. She recovered fully with no neurological deficits, with brain activity monitored by Bispectral Index throughout resuscitation.
Area of Science:
- Anesthesiology
- Critical Care Medicine
- Neurology
Background:
- Cushing's syndrome presents unique anesthetic challenges.
- Anaphylaxis during anesthesia induction is a rare but severe complication.
- Monitoring neurological function during resuscitation is crucial.
Observation:
- A 47-year-old female with Cushing's syndrome developed severe anaphylaxis upon anesthesia induction.
- Circulatory arrest occurred, requiring 25 minutes of chest compressions.
- Spontaneous cardiac output returned, and consciousness was regained after three hours.
Findings:
- The patient experienced a complete neurological recovery without deficits.
- Bispectral Index (BIS) monitoring showed values consistently above 40 during resuscitation.
- This suggests preserved cerebral function despite prolonged circulatory arrest.
Implications:
- The Bispectral Index may offer insights into cerebral function during resuscitation from anaphylaxis-induced cardiac arrest.
- Further research is warranted to explore BIS utility in similar critical events.
- Understanding anesthetic risks in patients with Cushing's syndrome is essential for patient safety.