Parasternal Block with Two Different Concentration of Ropivacaine for Post-Operative Analgesia in Patient Undergoing Coronary Artery Bypass Grafting: A Randomized Double Blind Controlled Trial

Background: Postoperative sternal pain is one of the most important factors affecting patients' quality of life during the early post-operative days. Optimal pain management after cardiac surgery improve comfort and wellbeing of the patients. Conventionally used techniques of postoperative analgesia mostly provided by intravenous route, have their own side effects, causing a delay in tracheal extubation. Parasternal intercostals block is one such technique which has several potential advantages and devoid of the above side effects.