• Br J Anaesth · Apr 1999

    Clinical Trial

    Patient-controlled sedation using propofol in elderly patients in day-case cataract surgery.

    • P R Janzen, A Christys, and M Vucevic.
    • Leeds Teaching Hospitals Trust, UK.
    • Br J Anaesth. 1999 Apr 1;82(4):635-6.

    AbstractPatient-controlled sedation (PCS) with propofol has been used successfully as an adjunct to local anaesthetic procedures. We studied a group of elderly patients (mean age 75.4 yr) undergoing cataract surgery and attempted to increase patient acceptability and comfort of local anaesthesia. Propofol was self-administered in a dose of 0.25 mg kg-1 for patients more than 60 yr of age, with a lockout period of 3 min. A total of 14 of 20 patients used PCS; eight of 20 used the PCS only once and another six had three tries or less. Despite this, 18 of 20 patients claimed they found the PCS useful. However, while it is possible to administer PCS successfully to elderly patients undergoing cataract surgery and produce a decrease in the level of anxiety, we found it unacceptable because of head movement in two patients. These patients received only two and three divided doses, to a maximum of 29 and 30 mg, respectively. There were no other adverse events.

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