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This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 
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:: Volume 15, Issue 2 (3-2013) ::
J Babol Univ Med Sci. 2013; Volume 15 Back to browse issues page
Arsenic Compounds Toxicity
M Rafati Rahimzadeh * , M Rafati Rahimzadeh , AA Moghadamnia
Abstract:   (15161 Views)
ABSTRACT
Arsenic compounds toxicity have been reported of many parts of the world. Those are one of global clinical problems that affect all body organs and many cases of death every year. Arsenic compounds exist in environment and human body as form of inorganic and organic arsenic. Inorganic arsenic includes arsenite (As III) and arsenate (As V). The inorganic arsenics can be methylated to form monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA) in vivo. Aasenic, especially inorganic arsenic is well absorbed (80-90%) from the gastrointestinal tract, distributed in the body, often metabolized by methylation, and then primarily excreted into urine. Methylation of inorganic arsenic compounds is considered as a detoxification process. Arsenic compounds cause to DNA damage, lipid peroxidation, and decreased antioxidant defense levels.
The wide human exposure to arsenic compound especial inorganic arsenic in different sources throughout the world causes great concern for human health. Long term exposure to arsenic can lead to cancer of skin and internal organs eg., the liver, lung, kidney and bladder, also high mortality rate. The noncancerous effects of ingesting arsenic include clinical manifestation in gastrointestinal, cardiovascular, pulmonary, immunological, neurological systems, endocrine glands (e.g. diabetes) and skin. There are some laboratories tests available to diagnose poisoning can measure arsenic in blood, urine, hair, and fingernails. The urine test is the most reliable for detecting arsenic exposure.
Arsenic toxicity can be life threating and necessitates supportive therapy (administration crystalloid fluids, inotropic drugs and treatment of cardiac dysrhythemias), decontamination (GI tract irrigation & use activated charcoal in some patients), chelating agents that should be initiated as soon as in arsenic toxicity. These chelating agents include: BAL (British anti lewisite, dimercaprol), 2,3-dimercaptosuccinic acid (DMSA. Succimer), dimercaptopropane sulfoxid acid (DMPS), and also, long term follow-up of these patients. This review article offer to ascertain: a) find out contamination areas that exposure to arsenic to the people by water, food, soil and air b) common diseases of arsenic poisoning in human c) education level, awareness and treatment of contaminated people.
Keywords: Arsenic compounds, Arsenate, Dimercaprol, Dimercaptosuccinic acid.
Full-Text [PDF 423 kb]   (4595 Downloads)    
Type of Study: Research | Subject: Biochemical
Accepted: 2014/06/10 | Published: 2014/06/10



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Rafati Rahimzadeh M, Rafati Rahimzadeh M, Moghadamnia A. Arsenic Compounds Toxicity. J Babol Univ Med Sci 2013; 15 (2) :51-68
URL: http://jbums.org/article-1-4350-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 15, Issue 2 (3-2013) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی بابل Journal of Babol University of Medical Sciences

The Journal of Babol University of Medical Sciences is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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