Key result
Quadratus lumborum block linked to ~32% lower pain scores at 6 hours versus TAP block.
Why the study?
Ultrasonography-guided truncal blocks for postoperative analgesia in abdominal hysterectomy require comparison to determine the more effective technique.
Does ultrasonography-guided quadratus lumborum block improve post-operative analgesia compared to transversus abdominis plane block in patients undergoing abdominal hysterectomy?
Observational (n=100)
Unblinded
Odd/even basis (quasi-randomized)
No
Does ultrasonography-guided quadratus lumborum block improve post-operative analgesia compared to transversus abdominis plane block in patients undergoing abdominal hysterectomy?
Absolute Event Rate: 21.12% vs 31.24%
p-value: p=0.010
Quadratus lumborum block may provide superior and longer-lasting post-operative analgesia compared to TAP block for patients undergoing abdominal hysterectomy.
May support preferring quadratus lumborum block for early post-operative analgesia; observational data leave open need for randomized confirmation.
Background: Abdominal hysterectomy is the most common surgery performed in Indian Women. Recent advances in Regional Anaesthesia especially ultrasonography-guided truncal blocks for postoperative analgesia are now being used for patient comfort and faster times for discharge of the patients. This study compares the ultrasonographic guided transversus abdominis plane block and quadratus lumborum blocks for patients undergoing abdominal hysterectomy under general anaesthesia. Aim of the study was to compare the efficacy of transversus abdominis plane block and quadratus lumborum blocks in patients undergoing abdominal hysterectomy.Methods: A retrospective observational study of prospectively collected data was performed. A total of 111 patients of American Society of Anesthesiologists (ASA) II and III gradings were enrolled in the study who had received either transversus abdominis plane block or quadratus lumborum blocks. Visual analog scale (VAS) scores and use of rescue analgesia was studied between the two groups. The data obtained were analysed using the students t-test and Mann Whitney U Test.Results: The demographic profile was similar between the 2 groups. The study showed that patients who received the quadratus lumborum block had a greater analgesia after 6 hours and had lower analgesic requirements compared to those who received transversus abdominis block (TAP) block. TAP block was however effective in the initial post-operative period.Conclusions: In patients undergoing abdominal hysterectomy quadratus lumborum block may be preferred over TAP block for post-operative analgesia.
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Gupta et al. (2021) conducted an observational in Abdominal hysterectomy (n=100). Quadratus lumborum block vs. Transversus abdominis plane block was evaluated on Mean Visual Analog Scale (VAS) score for pain at 6 hours post-operatively (p=0.010). Quadratus lumborum block provided significantly better post-operative analgesia than transversus abdominis plane block at 6 hours post-surgery (mean VAS 21.12 vs 31.24 mm, p=0.010).
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