Pretreatment with methylprednisolone improves myocardial protection during on-pump coronary artery bypass surgery

The Heart Surgery Forum
Tolga DemirErgun Demirsoy

Abstract

This study was undertaken to determine whether methylprednisolone could improve myocardial protection by altering the cytokine profile toward an anti-inflammatory course in patients undergoing elective coronary artery bypass grafting (CABG) surgery with cardiopulmonary bypass (CPB). Forty patients who were scheduled for elective CABG surgery were randomized into two groups: the study group (n = 20), who received 1 g of methylprednisolone intravenously before CPB, and the control group (n = 20), who underwent a standard CABG surgery without any additional medication. Blood samples were withdrawn prior to surgery (T1) and then 4 hours (T2), 24 hours (T3), and 36 hours (T4) after CPB. Plasma levels of interleukin (IL)-6, IL-10, creatine kinase isoenzyme MB (CK-MB), cardiac troponin-t (cTnT), and blood glucose as well as neutrophil counts were measured at each sampling time. A comparison of patients between both groups revealed significantly high levels of IL-6 in the control group at T2, T3, and T4 with respect to T1 (T2: P < .001; T3: P < .001; T4: P < .001). IL-10 levels were significantly higher in the study group at T2 compared with the control group (P = .007). CK-MB levels were significantly lower in the study group...Continue Reading

Citations

Jan 24, 2020·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Ka Ting NgOlaf M Dekkers

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