Abstract
A clinical evaluation of etomidate for outpatient cystoscopy was embarked upon. Unpremedicated patients were given fentanyl 1 microgram/kg followed by etomidate 0.3 mg/kg. Anaesthesia was maintained with intermittent etomidate in 2-4 mg doses. Patients were interviewed personally later the same day, and by questionnaire three to four weeks later. The trial was discontinued after 20 cases because of an unacceptable incidence of side effects. Venous pain occurred in 68% of patients and 50% had redness, pain or swelling related to the injection site, in some cases lasting up to three weeks after anaesthesia. Skeletal movements occurred in 50% of patients; 30% experienced respiratory upset, one sufficiently severe to necessitate abandoning the technique. Nausea and vomiting occurred in 40% and 25% had disturbing emergence psychoses.
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