IRCT2017031533055N2 IRCT 2017-05-30 Ahwaz JundiShapur University of Medical Sciences Comparison effect of sodium nitroprusside effect on reducing of incidence and duration of atrial fibrillation after coronary artery bypass graft surgery does not have Comparison effect of sodium nitroprusside effect on reducing of incidence and duration of atrial fibrillation after coronary artery bypass graft surgery 2016-04-20 anticipated 52 Complete https://irct.ir/trial/25599 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Other design features: This study is a randomized, double-blind, prospective, randomized controlled study for comparison of the effect of sodium nitroprusside in reducing the incidence and duration of atrial fibrillation after coronary artery bypass graft surgery in patients who are at the heart of Ahwaz Golestan hospital Bbymarstan you will Shvndanjam. Before the operation the patients provided written informed consent form and questionnaire included age, sex, weight, BMI original complaint, a family history of heart disease pre Machvr (first-degree relative under 65 and men under 55 years old), presence of hypertension (pressure ≥140 systolic and / or diastolic BP ≥90), dyslipidemia (increased triglycerides, cholesterol, LDL, decreased HDL), diabetes mellitus (fasting blood glucose ≥ mg / dl 126 (smoking and use of information by researcher interviewing patients the case is completed. N/A Atrial Fibrillation. Intervention 1: During the surgical treatment group and re-warming period starting dose of sodium nitroprusside Mg / Kg / Min 5-1% for 60 minutes will receiveSo that the mean arterial pressure without drugs or drugs Anytrvp increase of intravascular volume is maintained at 65 mm Hg. Intervention 2: Patients in the control group from start to finish re-serum dextrose water 5 percent to 200 cc, but 60 minutes into receive.