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The antidotes for ethylene glycol poisoning are ethanol and fomepizole. This antidotal treatment forms the mainstay of management of ethylene glycol poisoning. The toxicity of ethylene glycol comes from its metabolism to glycolic acid and oxalic acid. The goal of pharmacotherapy is to prevent the formation of these metabolites.
Fomepizole is used to treat ethylene glycol and methanol poisoning. It acts to inhibit the breakdown of these toxins into their active toxic metabolites. Fomepizole is a competitive inhibitor of the enzyme alcohol dehydrogenase, [6] found in the liver. This enzyme plays a key role in the metabolism of ethylene glycol, and of methanol.
There are several causes of toxic optic neuropathy. [1] Among these are: ingestion of methanol (wood alcohol), ethylene glycol (automotive antifreeze), disulfiram (used to treat chronic alcoholism), halogenated hydroquinolones (amebicidal medications), ethambutol and isoniazid (tuberculosis treatment), and antibiotics such as linezolid and chloramphenicol as well as chloroquine and the related ...
Heparin poisoning Prussian blue: Thallium poisoning: Physostigmine sulfate Anticholinergic poisoning Pyridoxine: Isoniazid poisoning, ethylene glycol, accidental hydrazine exposure (E.G from Gyromitra mushrooms) Phytomenadione (vitamin K) and fresh frozen plasma: Warfarin overdose and some (but not all) rodenticides Sodium bicarbonate
The toxicity of 5-bromo 2'-deoxyuridine to malignant lymphoid cells (1978) Jeffrey A. Brent is a medical toxicologist [ 1 ] who is a distinguished clinical professor of medicine and emergency medicine at the University of Colorado , School of Medicine. [ 2 ]
[3] [4] [5] Taken by mouth or injected into a vein, ethanol is used to treat methanol or ethylene glycol toxicity when fomepizole is not available. [1] Side effects of alcohols applied to the skin include skin irritation. [2] Care should be taken with electrocautery, as ethanol is flammable. [1]
Alcohol dehydrogenase is also involved in the toxicity of other types of alcohol: For instance, it oxidizes methanol to produce formaldehyde and ultimately formic acid. [36] Humans have at least six slightly different alcohol dehydrogenases. Each is a dimer (i.e., consists of two polypeptides), with each dimer containing two zinc ions Zn 2+.
The major cause of ethylene glycol toxicity is the accumulation of glycolic acid in the body, [18] but accumulation of calcium oxalate crystals in the kidneys can also lead to acute kidney failure. [17] In the case of DEG, calcium oxalate crystal are not deposited in the kidneys, implying that ethylene glycol is not on the DEG metabolic pathway.