Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Patients with dementia are thought to be more sensitive to anesthesia, although volatile anesthetic requirement has not specifically been evaluated in this population. We tested the hypothesis that patients with dementia having non-cardiac surgery have a lower ratio of bispectral index (BIS) to minimal alveolar concentration (MAC) during the five minutes immediately preceding incision, thus exhibiting deeper hypnotic levels at a given MAC fraction. ⋯ Our results do not support the hypothesis that patients with dementia are more sensitive to volatile anesthetics than patients without dementia.
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Letter Case Reports
Unanticipated expanding neck mass under general anesthesia.