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A randomized comparative study of transversus abdominis plane block (tap) with 0.25% bupivacaine and 0.375% ropivacaine in the duration of post-operative analgesia in upper abdominal laparoscopic surgeries

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Original Article

Author Details : S Jesmine Little Flower*, Alex Francisco Nicholas, Renu Devaprasath

Volume : 10, Issue : 4, Year : 2023

Article Page : 340-344

https://doi.org/10.18231/j.ijca.2023.072

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Abstract

Background: Transversus abdominis plane (TAP) block is a successful postoperative analgesia technique in laparoscopic surgeries. This study compared the analgesic efficacy of 0.25% bupivacaine and 0.375% Ropivacaine in TAP block as post-operative analgesia for upper abdomen laparoscopic surgeries.
Materials and Methods: This randomized, double-blinded comparative study was conducted at the Dr Jeyasekharan Medical Trust and Nursing Home for 18 months. Seventy-one consenting adult patients undergoing upper abdominal laparoscopic surgeries qualifying the inclusion criteria to undergo Bilateral Subcostal TAP Block were included. The patient was labelled group A or B according to a computer-generated randomization list. TAP block was administered using 30 ml (15 ml on each side) of 0.25% bupivacaine (A) or 0.375% ropivacaine (B). Similar premedication and induction were given to all patients.
Results: Among 71 patients in group A, males were 5 (14.7%), and females were 29 (85.3%). In group B, males were 7 (18.9%), and female was 30 (81.1%). There is no significant difference in gender, age, and BMI between groups. The mean duration of analgesia with 0.375% ropivacaine (10.21±3.36 hrs.) was significantly higher than 0.25% bupivacaine (6.38±2.03 hrs.). In the first 24 hours postoperatively, the mean total tramadol consumption was 147.06±11.94 mg in group A and 117.57±31.11 mg in group B, which is statistically significant.
Conclusion: This study concludes that 0.375% 30ml ropivacaine given as a TAP block under ultrasound guidance significantly prolonged the post-operative analgesia duration compared to 0.25% 30ml bupivacaine.
 

Keywords:  Ultrasound- guided, Transversus abdominis plane block, Bupivacaine, Ropivacaine, Laparoscopic surgeries.

How to cite : Flower S J L, Nicholas A F, Devaprasath R, A randomized comparative study of transversus abdominis plane block (tap) with 0.25% bupivacaine and 0.375% ropivacaine in the duration of post-operative analgesia in upper abdominal laparoscopic surgeries. Indian J Clin Anaesth 2023;10(4):340-344

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