CONTEXT: Atrial fibrillation (AF) is the most common arrhythmia to occur after cardiac surgery. An exaggerated inflammatory response has been proposed to be one etiological factor. OBJECTIVE: To test whether intravenous corticosteroidadministration after cardiac surgery prevents AF after cardiac surgery. DESIGN, SETTING, AND PATIENTS: A double-blind, randomized multicenter trial (study enrollment August 2005-June 2006) in 3 university hospitals in Finland of 241 consecutive patients without prior AF or flutter and scheduled to undergo first on-pump coronary artery bypass graft (CABG) surgery, aortic valve replacement, or combined CABG surgery and aortic valve replacement. INTERVENTION: Patients were randomized to receive either 100-mg hydrocortisone or matching placebo as follows: the first dose in the evening of the operative day, then 1 dose every 8 hours during the next 3 days. In addition, all patients received oral metoprolol (50-150 mg/d) titrated to heart rate. MAIN OUTCOME MEASURE: Occurrence of AF during the first 84 hours after cardiac surgery. RESULTS: The incidence of postoperative AF was significantly lower in the hydrocortisone group (36/120 [30%]) than in the placebo group (58/121 [48%]; adjusted hazard ratio, 0.54; 95% confidence interval, 0.35-0.83; P = .004; number needed to treat, 5.6). Compared with placebo, patients receiving hydrocortisone did not have higher rates of superficial or deep wound infections, or other major complications. CONCLUSION:Intravenous hydrocortisone reduced the incidence of AF after cardiac surgery. TRIAL REGISTRATION: clinicaltrials.gov Identifier: NCT00442494.
RCT Entities:
CONTEXT: Atrial fibrillation (AF) is the most common arrhythmia to occur after cardiac surgery. An exaggerated inflammatory response has been proposed to be one etiological factor. OBJECTIVE: To test whether intravenous corticosteroid administration after cardiac surgery prevents AF after cardiac surgery. DESIGN, SETTING, AND PATIENTS: A double-blind, randomized multicenter trial (study enrollment August 2005-June 2006) in 3 university hospitals in Finland of 241 consecutive patients without prior AF or flutter and scheduled to undergo first on-pump coronary artery bypass graft (CABG) surgery, aortic valve replacement, or combined CABG surgery and aortic valve replacement. INTERVENTION: Patients were randomized to receive either 100-mg hydrocortisone or matching placebo as follows: the first dose in the evening of the operative day, then 1 dose every 8 hours during the next 3 days. In addition, all patients received oral metoprolol (50-150 mg/d) titrated to heart rate. MAIN OUTCOME MEASURE: Occurrence of AF during the first 84 hours after cardiac surgery. RESULTS: The incidence of postoperative AF was significantly lower in the hydrocortisone group (36/120 [30%]) than in the placebo group (58/121 [48%]; adjusted hazard ratio, 0.54; 95% confidence interval, 0.35-0.83; P = .004; number needed to treat, 5.6). Compared with placebo, patients receiving hydrocortisone did not have higher rates of superficial or deep wound infections, or other major complications. CONCLUSION: Intravenous hydrocortisone reduced the incidence of AF after cardiac surgery. TRIAL REGISTRATION: clinicaltrials.gov Identifier: NCT00442494.
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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