alexa Some Biomarkers in Carbon Monoxide-Induced Cardiotoxici
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Some Biomarkers in Carbon Monoxide-Induced Cardiotoxicity

Manal M. Ismail1, Hoda El-Ghamry1, Olfat G. Shaker2, Marwa M. Fawzi3, and Samah F. Ibrahim1*
1Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Ain Shams University, Egypt
2Medical Biochemistry-Faculty of Medicine-Cairo University, Egypt
3Forensic medicine and Clinical Toxicology, Faculty of Medicine, Ain Shams University, Egypt
Corresponding Author : Samah F. Ibrahim
Forensic Medicine and Clinical Toxicology
Faculty of Medicine, Ain Shams University, Egypt
E-mail: [email protected]
Received May 19, 2013; Accepted June 24, 2013; Published June 26, 2013
Citation: Ismail MM, El-Ghamry H, Shaker OG, Fawzi MM, Ibrahim SF (2013) Some Biomarkers in Carbon Monoxide-Induced Cardiotoxicity. J Environ Anal Toxicol 3:176. doi: 10.4172/2161-0525.1000176
Copyright: © 2013 Ismail MM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Background: Myocardial injury is a frequent consequence of carbon monoxide (CO) poisoning. Oxidative stress affection seems to be a relevant mechanism in the patho-physiology of patients with acute CO poisoning.
Methodology: Cardiovascular system examination and Electrocardiography (ECG) were performed for fifty CO intoxicated patients admitted to Poison Control Center, Ain Shams university Hospital for whom some oxidative stress indices have been investigated through the assessment of plasma level of malondialdehyde (MDA), superoxide dismutase (SOD) and nitric oxide (NO). Both cardiac enzymes; troponin I and beta natriuretic peptide (BNP) have been also assessed in addition to carboxyhemoglobin (COHb) levels. The investigated parameters were compared with those of 40 non-smoker healthy controls (comparable in terms of age and gender).
Results: ECG changes were present in 96% of patients, whereas only 4% had a normal ECG. In intoxicated patients, a statistical significant increase in plasma level of COHb level, MDA, NO, troponin I, and BNP peptide was reported compared to control individuals, while SOD enzyme was significantly decreased. BNP showed a significant positive correlation with COHb level and a negative correlation with SOD, while SOD showed a significant negative correlation with COHb level.
Conclusions and recommendations: Myocardial injury occurs frequently in patients hospitalized for CO poisoning. The oxidative stress indices are significantly affected after acute CO poisoning. We suggested that such affection could be partially mediated by CO. Patients admitted to the hospital with CO poisoning should have a baseline ECG and serial cardiac biomarkers.

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