We hypothesise that patients who receive propofol for maintenance of anaesthesia will report dreaming more often when they emerge from anaesthesia than patients who receive desflurane for maintenance of anaesthesia.
Patients commonly report that they have been dreaming when they emerge from anaesthesia. Data from observational studies and small randomised trials suggests that reports of dreaming are more commonly made after anaesthesia maintained with propofol than anaesthesia maintained with inhaled anaesthetic agents. We propose to randomise 300 healthy patients to receive a standardised general anaesthetic for surgery that includes either propofol or desflurane for maintenance. We will measure the raw and processed electroencephalogram during and after anaesthesia and interview patients about dreaming as soon as they emerge from anaesthesia.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
DOUBLE
Enrollment
300
target controlled infusion of propofol
Anaesthetic maintenance with desflurane
Royal Melbourne Hospital
Parkville, Victoria, Australia
Royal Perth Hospital
Perth, Western Australia, Australia
King Edward Memorial Hospital for Women
Subiaco, Western Australia, Australia
Waikato Hospital
Hamilton, New Zealand
Incidence of dreaming reported by patients interviewed immediately on emergence from anaesthesia using a standardised questionnaire
Time frame: recovery room stay
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