Altered Mental Status and Hyperammonemia after Overdose of Valproic Acid with Therapeutic Valproic Acid Concentrations
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چکیده
منابع مشابه
Altered Mental Status and Hyperammonemia after Overdose of Valproic Acid with Therapeutic Valproic Acid Concentrations
Valproic acid is used in the treatment of multiple disorders. Adverse effects from valproic acid include hepatotoxicity, hypotension, metabolic acidosis, and decreased mental status. Valproic acid also causes hyperammonemia. Many physicians assume that this is due to a supratherapeutic valproic acid concentration; when in fact, it can occur with therapeutic valproic acid concentrations. This is...
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Valproic acid, a branched short-chain fatty acid, has numerous action mechanisms which turn it into a broad spectrum anticonvulsant drug and make its use possible in some other pathologies such as bipolar disorder. It is extensively metabolized in liver, representing β -oxidation in the mitochondria one of its main metabolic route (40%). Carnitine is responsible for its entry into the mitochond...
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A healthy, nonepileptic 16-month-old child ingested a massive overdose (approximately 4000 mg) of valproic acid (VPA). Upon admission to the hospital, he was in a deep coma and had generalized hypotonicity and no response to pain. His serum and urinary concentrations of VPA were 1316.2 and 3289.5 micrograms/mL, respectively. Urinary concentrations of the beta-oxidation metabolites of VPA were l...
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WARNINGS: LIFE THREATENING ADVERSE REACTIONS See full prescribing information for complete boxed warning. Hepato toxicity, including fatalities, usually during first 6 months o f treatment. Children under the age of two years and patients with mitochondrial disorders are at higher risk. Monitor patients c losely, and perform serum liver testing prior to therapy and at frequent intervals thereaf...
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Valproic acid is widely used as an anti-epileptic globally. Anti-epileptic action is mediated by Gamma Amino Butyric Acid (GABA) receptors. In past and recently, several other clinical outcomes have been proposed by various studies. These under-reported clinical actions apart from anti-epileptic activity are mediated by various intracellular and extracellular pathways. Several mechanisms like H...
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ژورنال
عنوان ژورنال: International Journal of Clinical Medicine
سال: 2014
ISSN: 2158-284X,2158-2882
DOI: 10.4236/ijcm.2014.510075