Efficacy of Perioperative Infusion of N (2)-L-alanyl-L-glutamine in Glycemic Control for Patients With Uncontrolled Diabetes Mellitus Presented for Urgent Coronary Artery Bypass Surgery: randomized Control Trial

INTERVENTION: Control group Dipeptiven group CONDITION: ; Circulatory System ; Nutritional, Metabolic, Endocrine ; Surgery ; Cardiology ; Anaesthesia Anaesthesia Cardiology Circulatory System Nutritional, Metabolic, Endocrine Surgery PRIMARY OUTCOME: Mean intraoperative glucose level. SECONDARY OUTCOME: • Incidence of diabetic ketoacidosis • Perioperative dynamic of troponin I • Total insulin infusion in first 24 hours INCLUSION CRITERIA: • All urgent cases of coronary artery bypass surgery whether isolated or combined with mitral valve surgery. • Uncontrolled diabetes mellitus with Hb A1C >7.0 • ASA physical status 2‐5 • Se X(males and females) • Age 18‐70 years.