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:: Volume 16, Issue 7 (Supplement 2013) ::
Feyz 2013, 16(7): 605-606 Back to browse issues page
The association between Lead exposure and cardiovascular diseases
Maryam Esfahani , Ahmad Movahedian , Negar Ataei
Isfahan University of Medical Sciences , esfahanimr21@yahoo.com
Abstract:   (8138 Views)

Background: Lead exposure is involved in cardiovascular diseases, as a major cause of mortality worldwide. This study aimed to provide an overview of the underlying mechanisms.

Materials and Methods: The recent studies regarding Lead and cardiovascular diseases are reviewed. Electronic information resources such as Web of knowledge, PubMed, Science direct and Google scholar were used.

Results: The data analysis indicated that the low level Lead exposure in long term causes a marked increase in arterial pressure by several mechanisms: an increase in the activities of angiotensin converting enzyme and kininase II, the effect on synthesis and/or release of renin, a reduction in the Nitric oxide availability and an increase in arterial resistance, the stimulatory effect on sympathetic nervous system, the alteration of adrenergic system and endothelium derived vasoregulatory factors, the dysregulation of arterial natriuretic peptide and interference with dependent signaling pathway. The other action of Lead is the promotion of oxidative stress (OS). Several studies demonstrated the association between OS and cardiovascular diseases. Lead has an effect on endothelial and vascular functions by interfering with the synthesis of some proteoglycans. Also, this metal can arouse a negative effect on fibrinolytic process and promote the growth of vascular smooth cells, which are involved in the formation of atherosclerotic plaque.

Conclusion: Further research is needed to characterize the full impact of Lead exposure on cardiovascular diseases. Considering the high levels of Lead pollution and prevalence of cardiovascular diseases in Iran, the effects of Lead exposure on cardiovascular diseases need to be included in the risk assessment of Lead exposure.

Keywords: Lead exposure, Heavy metals, Cardiovascular disease, Hypertension
Full-Text [PDF 99 kb]   (1876 Downloads)    
Type of Study: Research | Subject: General
Received: 2013/02/27 | Revised: 2013/02/27 | Published: 2013/03/15
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Esfahani M, Movahedian A, Ataei N. The association between Lead exposure and cardiovascular diseases. Feyz 2013; 16 (7) :605-606
URL: http://feyz.kaums.ac.ir/article-1-1764-en.html


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This open access journal is licensed under a Creative Commons Attribution-NonCommercial ۴.۰ International License. CC BY-NC ۴. Design and publishing by Kashan University of Medical Sciences.
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Volume 16, Issue 7 (Supplement 2013) Back to browse issues page
مجله علوم پزشکی فیض Feyz Medical Sciences Journal
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