Abstract
Background Effective pain control is vital for patients undergoing heart surgery. Utilizing a multimodal approach to analgesia is essential, as poor pain management can result in hemodynamic and systemic complications. This study aimed to compare perioperative pain management techniques in patients undergoing coronary artery bypass grafting (CABG), specifically evaluating continuous thoracic epidural analgesia and ultrasound-guided bilateral erector spinae block. Methods This randomized comparative study was conducted at a tertiary care centreover a period of six months, with approval from the institute's ethics committee. A total of 24 patients undergoing CABG under general anesthesia participated in the study. They were randomly assigned to either the continuous thoracic epidural analgesia (TEA) group (Group A) or the ultrasound-guided bilateral erector spinae plane (ESP) block group (Group B) using a simple randomization method. The study assessed intraoperative intravenous opioid requirements for maintaining stable hemodynamics, as well as postoperative resting and coughing Visual Analog Scale (VAS) scores and peak inspiratory spirometry. Results Twelve patients from each group completed the study, with comparable demographics (age, gender). Both groups exhibited similar resting and coughing VAS scores at 0, 3, 6, and 12 hours postoperatively (p > 0.05). However, at 24, 36, and 48 hours, Group A had significantly higher VAS scores compared to Group B (p < 0.05). Group A maintained an overall mean VAS score of 4 or less during rest and coughing. Peak inspiratory spirometry results were consistent between both groups (p > 0.05). Conclusion The ultrasound-guided bilateral erector spinae block provided pain control comparable to thoracic epidural analgesia, making it a viable alternative for perioperative pain management. This is particularly beneficial for CABG patients where early postoperative anticoagulant therapy is crucial for graft patency. Effective pain management also contributes to faster recovery in coronary artery bypass grafting.
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