The Protective Effects Of Treatment With Hyperbaric Oxygen Prior To Bypass Heart Surgery

Inclusion Criteria: * Patients undergoing elective first time CABG * Patients with at least 1 vessel coronary artery disease undergoing on- pump CABG Exclusion Criteria: * Age ≤ 20 years or ≥ 85 years * Ejection fraction \< 30% * Unstable angina * Recent myocardial infarction (\< 1 month) * Any additional cardiac disease (e.g. arrythmia, aneurysm, valvular/septal disease, dissection or elevated pulmonary artery pressure) * Any end stage organ failure (e.g. renal and respiratory failure) * History of chronic obstructive pulmonary disease (COPD) * Pneumothorax * Pulmonary bullae * Convulsions * Current history of malignancy * Severe myopia or intraocular lens * Patients on K+(ATP) Channel Openers e.g. Nicorandil, Oral Hypoglycemics, Opioid Analgesics, Catecholamines.