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*Assistant Professor of Anesthesiology, Department of Anesthesiology, UCLA School of Medicine, Los Angeles, California 90024. Accepted for publication: January 28, 1977
Professor of Anesthesiology, Department of Anesthesiology, UCLA School of Medicine, Los Angeles, California 90024. Accepted for publication: January 28, 1977
Resident in Anesthesiology, Department of Anesthesiology, UCLA School of Medicine, Los Angeles, California 90024. Accepted for publication: January 28, 1977
Research Nurse, Department of Anesthesiology, UCLA School of Medicine, Los Angeles, California 90024. Accepted for publication: January 28, 1977
||Statistician in Biomathematics, Department of Anesthesiology, UCLA School of Medicine, Los Angeles, California 90024. Accepted for publication: January 28, 1977
**Professor and Chairman, Department of Anesthesiology, Department of Anesthesiology, UCLA School of Medicine, Los Angeles, California 90024. Accepted for publication: January 28, 1977
Abstract
Morphine (5 and 10 mg), scopolamine (0.4 mg), and atropine (0.4 mg), alone and in combination, were studied as IV premedicants in 240 surgical patients. Relief of anxiety and sedation as compared to the patient's unpremedi-cated state were evaluated by the patient and a trained nurse observer, respectively, at 15 and 30 minutes after injection. Lack of recall was tested by the showing of memory cards at 15 and 30 minutes and by the recall of entering the operating room. Patient acceptance of the medications and recall were then evaluated 24 hours after injection. For relief of anxiety, sedation, and patient acceptance, scopolamine scored higher than atropine alone. Morphine with atropine or scopolamine scored higher than morphine alone, with morphine plus scopolamine scoring higher than morphine plus atropine. No lack of recall was seen in patients receiving atropine alone or with morphine. Slight lack of recall was seen with scopolamine and was not altered by the addition of morphine. Side effects were greatest with patients receiving morphine and greater with scopolamine than with atropine. Patients receiving scopolamine with general anesthesia tended to sleep longest in the recovery room.
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