Comparison of Ultrasound-guided vs Blind Transversus Abdominis Plane Block in Gynecological Abdominal Surgeries for Postoperative Analgesia in Tertiary Care Center: A Randomized Prospective Single-blind Study
Citation Information :
Oak S, Narkhede H, Poduval D, Hemantkumar I. Comparison of Ultrasound-guided vs Blind Transversus Abdominis Plane Block in Gynecological Abdominal Surgeries for Postoperative Analgesia in Tertiary Care Center: A Randomized Prospective Single-blind Study. Res Inno in Anesth 2021; 6 (1):5-10.
Background and aims: The transversus abdominis plane (TAP) block is a recently described approach which blocks the nerves of the anterior abdominal wall. We compared the duration of analgesia and efficacy of ultrasound-guided vs conventional block on immediate postoperative pain in patients undergoing gynecological abdominal surgeries.
Materials and methods: Eighty-two patients undergoing gynecological abdominal surgeries under spinal anesthesia were randomized to undergo ultrasound-guided (n = 41) vs anatomical landmark-guided TAP block (n = 41). The pain severity using the visual analog scale (VAS) score at rest and on movement were noted at various time intervals up to 24 hours. We compared the total duration of analgesia (TDA) and the total consumption of analgesics (TCA) in both groups. SPSS version 21 was used. Demographic data were analyzed using the Student's t-test and other parameters using paired t-test.
Results: Mean VAS scores both at rest and on movement were significantly higher in the anatomical landmark-guided TAP block in the first 8 hours postoperatively. The TDA was prolonged significantly (18.88 ± 6.18 hours) and TCA was less (0.95 ± 0.67 g) in the ultrasound group as compared to the other group with TDA of 8.38 ± 2.58 hours and TCA of 2.54 ± 0.71 g.
Conclusion: Ultrasound-guided TAP block provided a significantly longer duration of analgesia as compared to the anatomical landmark-guided TAP block and a significant decrease in consumption of rescue analgesics.
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