Comparison of Sternal Wound Infiltration With Liposomal Bupivacaine v. Bupivacaine Hydrochloride

Inclusion Criteria: * Open cardiac surgery through sternotomy approach (eg. coronary artery bypass graft, valvular heart procedures, as well as other open cardiac procedures along with coronary artery bypass) * Surgery with the use of cardiopulmonary bypass Exclusion Criteria: * Minimally invasive heart surgery through thoracotomy approach * Patient undergoing procedures under deep hypothermic circulatory arrest * Patients with active infections such as infective endocarditis * Emergency surgery * Patients undergoing transplantations and ventricular assist device insertion * Patients on any mechanical circulatory support preoperatively * Patient's refusal * End stage liver or renal disease * Allergy to bupivacaine * Patient who cannot understand the study procedure or refuse to participate * Redo-sternotomy * Participation in another study * Patients with severe right or left ventricular dysfunction (EF\< 25%) * Patients requiring chronic opioids for chronic pain condition