OBJECTIVE: To measure the effects of glucocorticoids on the systemic inflammatory response and clinical recovery after cardiac surgery. DESIGN: Randomized, prospective, double-blind, placebo-controlled clinical trial with concurrent comparison groups. SETTING:University medical center. PARTICIPANTS: Patients scheduled for elective coronary artery bypass graft surgery using normothermic cardiopulmonary bypass (CPB) and a standardized anesthetic. INTERVENTIONS: Participants randomly received either methylprednisolone, 15 mg/kg intravenously 1 hour before surgery and 0.3 mg/kg intravenously every 6 hours x 4 doses, or placebo. Comparison groups included cardiac surgical patients who received etomidate to lower endogenous cortisolduring surgery and healthy volunteers who receivedmethylprednisolone only. MEASUREMENTS AND MAIN RESULTS: Patients who received methylprednisolone had a significant reduction in circulating interleukin (IL)-6 at 60 minutes after CPB (p < 0.05) and on the morning of the 1st (p < 0.01) and 3rd (p < 0.05) postoperative days and a significant increase in circulating IL-10 at 60 minutes after CPB (p < 0.01) compared with the placebo group. Etomidate, given to lower cortisol during surgery, was associated with significantly decreased IL-6 and IL-10 responses to surgery compared with the placebo group, whereas methylprednisolone alone, given to healthy nonsurgical volunteers, had no effect on these cytokines. After adjusting for age, there were no significant differences in postoperative length of hospital stay between the methylprednisolone-treated (4.6 days) and placebo (6.1 days) groups or in the duration of mechanical ventilation (9.9 hours and 15.6 hours). No patient treated with methylprednisolone had nausea and vomiting on the 1st postoperative day compared with 33% of placebo-treated patients (p = 0.02). Glucose was significantly higher after methylprednisolone treatment at 1 hour after CPB (276 mg/dL v 210 mg/dL; p = 0.001) and at 2 hours (289 mg/dL v 213 mg/dL; p = 0.009) and 8 hours (247 mg/dL v 196 mg/dL; p = 0.02) after surgery. There were no differences in pain scores and no significant intergroup differences in lung peak expiratory flow rate or alveolar-arterial oxygen gradients after surgery. CONCLUSION: This study shows significant effects of glucocorticoids on the production of IL-6 and IL-10 in response to cardiac surgery but only minor effects on clinical recovery. Copyright 2002, Elsevier Science (USA). All rights reserved.
RCT Entities:
OBJECTIVE: To measure the effects of glucocorticoids on the systemic inflammatory response and clinical recovery after cardiac surgery. DESIGN: Randomized, prospective, double-blind, placebo-controlled clinical trial with concurrent comparison groups. SETTING: University medical center. PARTICIPANTS: Patients scheduled for elective coronary artery bypass graft surgery using normothermic cardiopulmonary bypass (CPB) and a standardized anesthetic. INTERVENTIONS:Participants randomly received either methylprednisolone, 15 mg/kg intravenously 1 hour before surgery and 0.3 mg/kg intravenously every 6 hours x 4 doses, or placebo. Comparison groups included cardiac surgical patients who received etomidate to lower endogenous cortisol during surgery and healthy volunteers who received methylprednisolone only. MEASUREMENTS AND MAIN RESULTS:Patients who received methylprednisolone had a significant reduction in circulating interleukin (IL)-6 at 60 minutes after CPB (p < 0.05) and on the morning of the 1st (p < 0.01) and 3rd (p < 0.05) postoperative days and a significant increase in circulating IL-10 at 60 minutes after CPB (p < 0.01) compared with the placebo group. Etomidate, given to lower cortisol during surgery, was associated with significantly decreased IL-6 and IL-10 responses to surgery compared with the placebo group, whereas methylprednisolone alone, given to healthy nonsurgical volunteers, had no effect on these cytokines. After adjusting for age, there were no significant differences in postoperative length of hospital stay between the methylprednisolone-treated (4.6 days) and placebo (6.1 days) groups or in the duration of mechanical ventilation (9.9 hours and 15.6 hours). No patient treated with methylprednisolone had nausea and vomiting on the 1st postoperative day compared with 33% of placebo-treated patients (p = 0.02). Glucose was significantly higher after methylprednisolone treatment at 1 hour after CPB (276 mg/dL v 210 mg/dL; p = 0.001) and at 2 hours (289 mg/dL v 213 mg/dL; p = 0.009) and 8 hours (247 mg/dL v 196 mg/dL; p = 0.02) after surgery. There were no differences in pain scores and no significant intergroup differences in lung peak expiratory flow rate or alveolar-arterial oxygen gradients after surgery. CONCLUSION: This study shows significant effects of glucocorticoids on the production of IL-6 and IL-10 in response to cardiac surgery but only minor effects on clinical recovery. Copyright 2002, Elsevier Science (USA). All rights reserved.
Authors: R Clive Landis; Jeremiah R Brown; David Fitzgerald; Donald S Likosky; Linda Shore-Lesserson; Robert A Baker; John W Hammon Journal: J Extra Corpor Technol Date: 2014-09
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