Comparison of post-operative analgesic efficacy of bupivacaine and ropivacaine using ultrasound guided oblique subcostal transverse abdominis plane block in open cholecystectomy under general anaesthesia
Journal Title: Medpulse International Journal of Anesthesiology - Year 2018, Vol 6, Issue 3
Abstract
Background: Cholecystectomy involves upper abdominal incision with considerable postoperative pain. Adequate postoperative analgesia has to be provided to prevent major pulmonary complications in the postoperative period. Ultrasound guided oblique subcostal Transverse abdominis plane block has been extensively used to provide adequate analgesia without haemodynamic complications. Aim: To compare the post operative analgesic efficacy of Inj.Bupivacaine 0.25% and Inj.Ropivacaine 0.2% in Ultrasound guided Bilateral Oblique Subcostal Transverse Abdominis Plane block for patients undergoing open cholecystectomy under general anaesthesia. Materials and Methods: The study was done on 60 patients who underwent bilateral oblique subcostal Transverse abdominis plane block for open cholecystectomy surgeries under general anaesthesia. Group A: 30 patients given Inj.Bupivacaine 0.25%, 40 ml (20ml on each side). Group B: 30 patients given Inj.Ropivacaine 0.2%, 40 ml (20ml on each side). Results: The mean visual analog score was less in group A when compared to group B from 30 minutes to 8 hours time intervals, which also has statistical significance. The mean duration of analgesia was longer in group A than group B. Both groups had significant reduction in opioid usage for alleviationg postoperative pain.Both the group had stable intraoperative and postoperative hemodynamics when mean HR, SBP, DBP and MAP were monitored. Conclusion: It is concluded that postoperative analgesia wih Inj.Bupivacaine 0.25% is more effective when compared to Inj.Ropivacaine 0.2% in prolonging the duration of Ultrasound guided Oblique subcostal transverse abdominis block. Intraoperative and Postoperative hemodynamics were maintained well in both the groups.
Authors and Affiliations
N Sumathi, A Ganesh, S Balasubramaniam
Keywords
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