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Published on: November 9, 2016
Safety of rapid intravenous valproate infusion in pediatric patients
Lawrence D Morton1, Kathryn A O'Hara, B Patrick Coots
1Division of Child Neurology, Department of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298-0211, USA. ldmorton@vcu.edu
Insights
Rapid intravenous valproate infusions are safe for pediatric seizure patients. This study found minimal adverse events, with no serious cardiac or laboratory abnormalities, supporting its use in children.
Area of Science:
- Pediatric Neurology
- Clinical Pharmacology
Background:
- Intravenous valproate is used for seizure management.
- Information on rapid infusion safety in children is limited.
Purpose of the Study:
- To evaluate the safety and tolerability of rapid intravenous valproate administration in pediatric patients with seizures.
Main Methods:
- 18 pediatric patients (age 1-16 years) received 48 doses of intravenous valproate.
- Doses ranged from 7.5 to 41.5 mg/kg at infusion rates of 1.5 to 11 mg/kg/min.
- Adverse events, ECGs, and laboratory results were monitored.
Main Results:
- Only one mild adverse event (infusion site burning) was reported in a single patient.
- The patient tolerated subsequent infusions at the same rate without issue.
- No cardiac arrhythmias, bradycardia, hypotension, or abnormal lab findings were observed.
Conclusions:
- Rapid intravenous valproate infusion is safe and well-tolerated in pediatric patients.
- This administration method may be a viable option for seizure control in children.
- Further research could explore broader applications and optimal dosing strategies.
Abstract:
In order to investigate the safety of rapidly infused intravenous valproate in children with seizures, the drug was administered to 18 patients (age range, 1-16 years) at doses ranging from 7.5 to 41.5 mg/kg and rates of 1.5 to 11 mg/kg per minute. Forty-eight intravenous valproate doses were administered during 19 hospital admissions (range, 1-16 doses per admission). Only one adverse event was reported; a 9-year-old male experienced burning at the infusion site while receiving 660 mg intravenous valproate at 6 mg/kg per minute. The patient tolerated three subsequent infusions (one of 330 mg and two of 165 mg) at the same rate with no further discomfort. Electrocardiogram results, available for 18 admissions, revealed no arrhythmias, bradycardias, or hypotensive episodes. No abnormal laboratory results were reported. Rapid intravenous valproate infusion appears to be safe in pediatric patients.
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