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Related Experiment Videos

Premedication by controlled-release morphine.

B Kay, T E Healy

    Anaesthesia
    |June 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Controlled-release morphine (MST) did not reduce pre-operative anxiety but did decrease postoperative pain and sedation in patients undergoing cholecystectomy. Further research into MST

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    Area of Science:

    • Anesthesiology
    • Pharmacology
    • Surgical Care

    Background:

    • Pre-operative anxiety is a common concern in surgical patients.
    • Effective pain management post-cholecystectomy is crucial for recovery.

    Purpose of the Study:

    • To evaluate the efficacy of controlled-release morphine (MST 30 mg) in managing pre-operative anxiety.
    • To assess the impact of MST on anesthetic requirements, recovery, and postoperative pain.

    Main Methods:

    • Double-blind investigation involving 50 patients undergoing cholecystectomy.
    • Comparison between oral controlled-release morphine (MST 30 mg) and placebo.
    • Assessment of anxiety, sedation, anesthetic needs, recovery time, and postoperative pain.

    Main Results:

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    • Patients receiving MST showed increased sedation but no significant reduction in pre-operative anxiety.
    • No significant differences in anesthetic requirements during surgery were noted, though less supplemental anesthetic was needed in the MST group.
    • The MST group experienced significantly less postoperative pain and required analgesics later than the placebo group.

    Conclusions:

    • Oral controlled-release morphine (MST) effectively reduces postoperative pain and increases sedation after cholecystectomy.
    • MST does not significantly alleviate pre-operative anxiety in this patient population.
    • Further investigation is warranted regarding the prolonged recovery observed in the MST group.