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Related Experiment Videos

Propranolol and surgical anesthesia

J A Kaplan, R W Dunbar

    Anesthesia and Analgesia
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Patients on beta-blockers like propranolol can safely undergo anesthesia for non-cardiac surgery. Continuing propranolol therapy perioperatively is associated with minimal complications, including hypotension, and no deaths.

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    Area of Science:

    • Anesthesiology
    • Cardiology
    • Pharmacology

    Background:

    • Beta-adrenergic blockade therapy, particularly with propranolol, poses potential risks during anesthesia.
    • Managing patients on propranolol requires careful consideration of perioperative protocols.

    Purpose of the Study:

    • To evaluate the safety and complications of anesthetizing patients who are on preoperative propranolol therapy for non-cardiac operations.
    • To determine if propranolol needs to be discontinued before surgical anesthesia.

    Main Methods:

    • Retrospective review of 73 patients receiving propranolol for non-cardiac surgery.
    • Analysis of preoperative propranolol administration, anesthetic techniques, and intraoperative/postoperative complications.

    Main Results:

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    • 72% of patients took propranolol within 24 hours of surgery; 85% within 48 hours.
    • Anesthetic agents included enflurane, halothane, N2O-narcotic-relaxant, and spinal anesthesia.
    • Only three episodes of hypotension occurred, all responsive to standard management; no intraoperative or postoperative deaths were recorded.

    Conclusions:

    • Propranolol therapy does not necessitate discontinuation before surgical anesthesia if medically indicated.
    • Continuing propranolol perioperatively appears safe for patients undergoing non-cardiac surgery.
    • Careful anesthetic management can mitigate potential risks associated with beta-blockade.