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In fasting volunteers, blood levels of ethanol increase proportionally with the dose of ethanol administered. [78] Peak blood alcohol concentrations may be estimated by dividing the amount of ethanol ingested by the body weight of the individual and correcting for water dilution. [ 4 ]
The last steps of alcoholic fermentation in bacteria, plants, and yeast involve the conversion of pyruvate into acetaldehyde and carbon dioxide by the enzyme pyruvate decarboxylase, followed by the conversion of acetaldehyde into ethanol. The latter reaction is again catalyzed by an alcohol dehydrogenase, now operating in the opposite direction.
Disulfiram is used as a second-line treatment, behind acamprosate and naltrexone, for alcohol dependence. [7]Under normal metabolism, alcohol is broken down in the liver by the enzyme alcohol dehydrogenase to acetaldehyde, which is then converted by the enzyme acetaldehyde dehydrogenase to a harmless acetic acid derivative (acetyl coenzyme A).
Individuals with two copies of the ALDH2*2 allele are known to have high blood acetaldehyde levels and experience “hangover” symptoms such as heart palpitations for longer durations, even with low alcohol consumption. [15] [16] [2] Individuals who work with DMF have shown a dose-related increase in alcohol intolerance complaints. [26]
Alcoholic cardiomyopathy (ACM) is a disease in which the long-term consumption of alcohol leads to heart failure. [1] ACM is a type of dilated cardiomyopathy.The heart is unable to pump blood efficiently, leading to heart failure.
The best-known consequence of ALDH2 dysfunction is in relation to the consumption of ethanol. People heterozygous or homozygous for the ALDH2*2 metabolize ethanol to acetaldehyde normally but metabolize acetaldehyde poorly. As a result, they accumulate increased levels of acetaldehyde after consumption of alcoholic beverages.
[1] [2] The reaction has been variously termed a disulfiram-like reaction, alcohol intolerance, and acetaldehyde syndrome. [ 3 ] The prototypical drug of this group is disulfiram (brand name Antabuse), which acts as an acetaldehyde dehydrogenase inhibitor , preventing the metabolism of acetaldehyde into acetic acid , and is used in the ...
The ICD-10 Clinical Modification (ICD-10-CM) is a set of diagnosis codes used in the United States of America. [1] It was developed by a component of the U.S. Department of Health and Human services, [ 2 ] as an adaption of the ICD-10 with authorization from the World Health Organization .