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Volume 14, Issue 4 (October 2020)                   IJT 2020, 14(4): 193-200 | Back to browse issues page


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Jamalian M, Solhi H, Ghasemi P, Rahbari A, Kazemifar A M. Prevention of Lung Complications following Paraquat Poisoning by Silymarin, N-acetyl Cysteine and Hydrocortisone: An Experimental Study. IJT. 2020; 14 (4) :193-200
URL: http://ijt.arakmu.ac.ir/article-1-870-en.html
1- Clinical Toxicologist & Assistant Professor, Department of Forensic Medicine, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
2- Clinical Toxicologist & Professor, Department of Forensic Medicine, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
3- Medical Practitioner, Department of Pathology, School of Medicine, Arak University of Medical Sciences. Arak, Iran.
4- Pathologist & Assistant Professor, Department of Forensic Medicine, School of Medicine, Arak University of Medical Sciences. Arak, Iran.
5- Clinical Toxicologist & Associate Professor, Metabolic Diseases Research Center, Qazvin University of Medical Sciences. Qazvin, Iran.
Abstract:   (678 Views)
Background: Paraquat poisoning results in multi-organ failure, primarily pulmonary fibrosis, acute renal failure, and hepatic impairment. The present study was designed to evaluate three treatment regimens, such as N-Acetyl cysteine (NAC), silymarin and hydrocortisone in the prevention of lung fibrosis after ingestion of toxic doses of paraquat in rats. 
Methods: Male Sprague-Dawley rats (N=20) were randomly divided into four groups of five each. The drugs and paraquat were given to the rats orally. All rat groups received one oral dose of paraquat (10 mg/kg) once daily for 1 week. The first group received a daily oral dose of silymarin (600 mg/kg) for 2 weeks. The second group received a daily oral dose of NAC (500 mg/kg) for 2 weeks. The third group was given daily oral doses of NAC (500 mg/kg) and hydrocortisone (50 mg/kg) for 2 weeks. The fourth group (controls) received no drugs other than paraquat. The experiment continued for 4 weeks. After the experiment, autopsy was performed on all rats and the lungs were examined histopathologically.
Results: The results of histopathology examinations for peribronchial inflammation in the groups were shown that NAC plus hydrocortisone and silymarin had notable effects in the prevention of lung inflammation. Septal widening in the lungs was also observed in group three less than that in the other groups.
Conclusion: Based on the results, silymarin, NAC and hydrocortisone may be used as a palliative treatment in paraquat poisoning specifically aimed at preventing the acute and chronic lung injuries as the worst complication of the poisoning. 
 
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Type of Study: Research | Subject: General

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