Pentraxin 3, ischemia-modified albumin, and myeloperoxidase in predicting a cardiac damage in acute carbon monoxide poisoning

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Carbon monoxide (CO) poisoning is associated with cardiac injuries or manifestations, frequently attributing to direct hypoxic damage at cellular level. For this, the aims were to evaluate the role of serum pentraxin 3 (PTX 3), ischemia-modified albumin (IMA), and myeloperoxidase (MPO) as an early biomarker for cardiac damage when compared to cardiac troponin I (cTnI) and creatine kinase-MB fraction (CK-MB) in adult patients with acute CO poisoning.


Forty patients with acute CO poisoning admitted to the emergency department. The patients were divided into 2 main groups as follows: cardiac injury (group I, n = 19) and nonsuspected cardiac injury (group II, n = 21). Pentraxin 3, IMA, MPO, cTnI, CK-MB, and the other assays in the circulation were measured on admission.


Upon measuring the serum PTX 3, IMA, MPO, cTnI, and CK-MB levels as well as large electrocardiography and echocardiography abnormalities of patients with cardiac injury on admission, no statistical difference for PTX 3, IMA, and MPO was found between the groups (P > .05). However, cTnI, CK-MB, and leukocyte count (white blood cell) were higher determined in patients of group I compared to group II (P < .05). Receiver operating characteristic curve was also performed to evaluate the diagnostic performance of these tests in patients with cardiac injury.


Our results suggest that PTX, IMA, and MPO assays are not superior to cTnI and CK-MB in predicting a cardiac damage in patients with acute CO intoxication.

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