Successful initiation of combined therapy with valproate sodium injection and divalproex sodium extended-release tablets in the epilepsy monitoring unit |
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Authors: | Boggs Jane G Preis Keith |
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Affiliation: | Orlando Regional Healthcare, Orlando, Florida 32801, USA. jboggs@medscape.com |
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Abstract: | Summary: Purpose: Patients in epilepsy monitoring units (EMUs) often require aggressive initiation or reinitiation of therapy before discharge. We developed a simple dosing scheme using valproate sodium injection (VPA‐IV) and divalproex sodium extended‐release (VPA‐ER) tablets to minimize the time required for initiation of therapy, without increasing the likelihood of seizures and adverse effects. Methods: We identified 42 patients in the EMU, naïve to VPA‐IV and VPA‐ER, for whom one of the discharge AEDs included divalproex sodium. On the day of discharge, patients were loaded with 20 mg/kg VPA‐IV at 6 mg/kg/min, followed by ~20 mg/kg VPA‐ER within 1 h. The discharge daily dose of VPA‐ER was identical to the dose given after the IV load. We assessed tolerability and seizure occurrence during infusion, at 1 h, 4 h, and 1 week after discharge. Results: All patients tolerated the VPA‐IV dose followed by VPA‐ER. Four patients reported mild nausea, and two patients reported mild dizziness within 4 h. No seizures or significant changes in heart rate or blood pressure occurred within 4 h, and all patients were discharged the same day. All patients denied systemic complaints at 1 week, and five had seizures during the week after discharge. All patients had improved seizure frequencies at the end of the first week. Conclusions: VPA‐IV is well tolerated and convenient for rapid loading in the EMU. When promptly followed by VPA‐ER, seizure control remains excellent. |
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Keywords: | Treatment Valproate sodium injection Divalproex sodium extended-release tablets Epilepsy EMU Tolerability |
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