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The warming of local anesthetic agents to decrease discomfort.

L H Bloom, H G Scheie, M Yanoff

    Ophthalmic Surgery
    |July 1, 1984
    PubMed
    Summary
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    Preheating local anesthetic solutions for retrobulbar and facial nerve blocks significantly reduces patient pain. Warming the anesthetic before injection is a simple method to improve patient comfort during ophthalmic procedures.

    Area of Science:

    • Ophthalmology
    • Anesthesiology
    • Pain Management

    Background:

    • Retrobulbar and facial nerve blocks are common procedures in ophthalmology.
    • Patient discomfort during these injections can be a significant concern.
    • The temperature of injected solutions can influence pain perception.

    Purpose of the Study:

    • To evaluate the effect of preheating local anesthetic agents on patient discomfort during retrobulbar and facial nerve injections.
    • To determine if a simple warming technique can improve patient experience.

    Main Methods:

    • Local anesthetic agents were preheated to a specific temperature before administration.
    • Patient-reported discomfort was assessed using a standardized pain scale.
    • Comparisons were made between preheated and non-preheated anesthetic injections.

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    Main Results:

    • Preheating local anesthetic agents significantly decreased patient-reported discomfort.
    • The reduction in discomfort was notable for both retrobulbar and facial nerve blocks.
    • No adverse events were associated with the use of preheated anesthetic agents.

    Conclusions:

    • Preheating local anesthetic agents is an effective and safe method to reduce pain and improve patient comfort during retrobulbar and facial nerve blocks.
    • This simple intervention can enhance the patient experience in ophthalmic anesthesia.