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Related Experiment Videos

A fresh look at magnesium trisilicate.

J D Holdsworth

    The Journal of International Medical Research
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Magnesium trisilicate effectively raises stomach pH above 3.0 within minutes, reducing aspiration risk in pregnant patients before anesthesia. Proper administration is crucial to prevent regurgitation hazards during induction.

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    Gut·1986

    Area of Science:

    • Anesthesiology
    • Pharmacology
    • Obstetrics

    Background:

    • Confusion exists regarding optimal magnesium trisilicate (Mg2Si2O5(OH)2·nH2O) antacid use in pregnant women before general anesthesia.
    • Gastric emptying rates and labor status influence antacid effectiveness and aspiration risk.

    Purpose of the Study:

    • To evaluate the efficacy of magnesium trisilicate as a pre-anesthetic antacid in pregnant women.
    • To determine the optimal dosing and administration timing for magnesium trisilicate.

    Main Methods:

    • Chemical analysis of magnesium trisilicate's pH-altering capabilities.
    • Clinical assessment of its effectiveness in a large patient series.

    Main Results:

    • Magnesium trisilicate rapidly increases stomach pH to >3.0 within two minutes, even in small doses.

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  • Clinically, it demonstrated near-complete effectiveness in a large series of patients.
  • Inadequate mixing with stomach contents poses an acid regurgitation hazard.

    • Conclusions:

    • Magnesium trisilicate is a highly effective antacid for pregnant women undergoing general anesthesia.
    • Proper administration, ensuring adequate mixing, is critical to mitigate aspiration risks.
    • Further consideration of patient factors like labor status and analgesia is warranted.