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Reducing the need for intubation in plastic surgery.

L E Gates, E N Hamacher, D Simonson

    AANA Journal
    |April 1, 1991
    PubMed
    Summary
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    Ketamine-based intravenous sedation offers a safe alternative for many plastic surgery procedures, reducing the need for general endotracheal anesthesia. This technique provides anesthesia and hemostasis with decreased blood loss and faster recovery.

    Area of Science:

    • Anesthesiology
    • Plastic Surgery

    Background:

    • General endotracheal anesthesia is commonly used for plastic surgery but has drawbacks, including patient acceptance issues.
    • Alternative anesthetic techniques are sought to improve patient experience and reduce risks.

    Purpose of the Study:

    • To evaluate the safety and efficacy of a ketamine-based intravenous sedation technique for plastic surgery procedures.
    • To compare the ketamine-based technique with traditional general endotracheal anesthesia.

    Main Methods:

    • Patients receive a dissociative state via sedatives, narcotics, and a subanesthetic ketamine dose (0.5 mg/kg).
    • Local anesthesia with dilute lidocaine and epinephrine (0.25%) is infiltrated for anesthesia and hemostasis.
    • Sedation is maintained with periodic titration of additional sedative and narcotic agents.

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    Main Results:

    • The technique reduces the need for intubation and associated hazards.
    • Significantly decreased blood loss was observed due to the dilute epinephrine solution.
    • Reduced recovery times and the ability for patients to respond to commands were noted.

    Conclusions:

    • Ketamine-based dissociative intravenous sedation combined with dilute local anesthetic is a viable alternative for plastic surgery.
    • This technique offers advantages such as reduced blood loss, faster recovery, and improved patient-surgeon rapport.
    • Potential disadvantages include respiratory depression and hypoxia, requiring careful monitoring.