ArticleBrazilian journal of cardiovascular surgery2025
Thiol/Disulfide Homeostasis in Pericardial Fluid and Plasma of Patients Undergoing Coronary Artery Bypass Surgery.
Article in Brazilian journal of cardiovascular surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionOn-pump coronary artery bypass grafting (CABG) method affect almost allbiochemicalreactions by disrupting the patient's redox homeostasis. Detection of systemic redox hemostasis in the patient is critical for the CABG method's success and the prognosis of the disease. In this study, thiol/disulfide parameters, which are indicators of redox homeostasis, and ischemia-modified albumin levels in the plasma and pericardial fluid of patients who underwent CABG were investigated.
methodsSixty patients who underwent an on-pump CABG operation with the cardiopulmonary bypass method were included in this study. Blood samples were taken from the patients before and after cardiopulmonary bypass. Pericardia fluid samples were taken before cardiopulmonary bypass. Then, thiol/disulfide homeostasis, albumin, and ischemia-modified albumin levels in the pericardial fluid and the patients' plasma levels were compared.
resultsAlbumin and ischemia-modified albumin levels were significantly higher in the postoperative period compared to the preoperative one (P<0.001). Thiol/disulfide parameters were higher and statistically significant in preoperative than in postoperative examinations (P<0.001). A negative correlation was found between pericardial fluid ischemia-modified albumin and thiol-disulfide parameters (P<0.001).
conclusionChanges in thiol/disulfide homeostasis, albumin, and ischemia-modified albumin levels at different times during the on-pump CABG may be caused by foreign non-endothelial surfaces, filters, the reperfusion process, and pharmacological effects in the extracorporeal circulation. Thiol/disulfide homeostasis, albumin, and ischemia-modified albumin levels should be monitored during the on-pump CABG and should be intervened with appropriate therapeutic strategies. In this way, secondary pathologies can be avoided by preventing cellular damage and excessive inflammatory responses.
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