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Related Experiment Videos

Phenytoin infusion in severe pre-eclampsia.

R M Slater, F L Wilcox, W D Smith

    Lancet (London, England)
    |June 20, 1987
    PubMed
    Summary

    High-dose intravenous phenytoin sodium effectively provided anticonvulsive prophylaxis for pre-eclampsia and eclampsia patients. The treatment demonstrated a good safety profile with therapeutic plasma phenytoin levels maintained throughout the study period.

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    Area of Science:

    • Obstetrics and Gynecology
    • Pharmacology
    • Neurology

    Background:

    • Pre-eclampsia and eclampsia are severe hypertensive disorders in pregnancy.
    • Anticonvulsive prophylaxis is crucial for managing these conditions and preventing seizures.
    • Phenytoin is a commonly used anticonvulsant medication.

    Purpose of the Study:

    • To evaluate the efficacy and safety of high-dose intravenous phenytoin sodium for anticonvulsive prophylaxis in patients with pre-eclampsia and eclampsia.
    • To monitor plasma phenytoin levels during and after infusion in this patient population.

    Main Methods:

    • Intravenous phenytoin sodium was administered as a high-dose infusion (8-18 mg/kg).
    • The study included 2 patients with eclampsia and 24 patients with moderate to severe pre-eclampsia.

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  • Plasma phenytoin levels were measured at 30 min, 6 h, 12 h, and 24 h post-infusion.

    • Main Results:

    • No major maternal or neonatal side-effects were observed.
    • Plasma phenytoin levels remained within the therapeutic range (7-20 mg/l) at 30 min and 6 h in all patients.
    • Therapeutic levels were maintained at 12 h in 21 patients and at 24 h in 19 patients after a second dose.

    Conclusions:

    • High-dose intravenous phenytoin sodium is a safe and effective option for anticonvulsive prophylaxis in pre-eclampsia and eclampsia.
    • The drug achieves and maintains therapeutic plasma concentrations in this obstetric population.
    • Further research may explore optimal dosing regimens and long-term outcomes.