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. 2018 May-Jun;68(3):285-291.
doi: 10.1016/j.bjan.2017.12.005. Epub 2018 Apr 7.

[The effects of transversus abdominis plane block on analgesic and anesthetic consumption during total abdominal hysterectomy: a randomized controlled study]

[Article in Portuguese]
Tugba Karaman  1 , Asker Zeki Ozsoy  2 , Serkan Karaman  3 , Serkan Dogru  3 , Hakan Tapar  3 , Aynur Sahin  3 , Hatice Dogru  2 , Mustafa Suren  3
Affiliations

[The effects of transversus abdominis plane block on analgesic and anesthetic consumption during total abdominal hysterectomy: a randomized controlled study]

[Article in Portuguese]
Tugba Karaman et al. Braz J Anesthesiol. 2018 May-Jun.

Abstract

Background and objectives: A transversus abdominis plane block is a peripheral block method that has been used successfully for pain relief after total abdominal hysterectomy. However, the effects of the combination of the transversus abdominis plane block and general anesthesia on analgesic and anesthetic requirements remain unclear. This randomized placebo-controlled study is aimed to evaluate the effects of transversus abdominis plane block on analgesic and anesthetic consumption during total abdominal hysterectomy under general anesthesia.

Methods: Sixty-six women undergoing total abdominal hysterectomy were randomized into two groups to receive general anesthesia alone (control group) or with transversus abdominis plane block using 20 mL of 0.25% bupivacaine (transversus abdominis plane group). Intraoperative remifentanil and sevoflurane consumption were recorded. We also evaluated the postoperative pain, nausea, quality of recovery scores and rescue analgesic requirement during postoperative 24 hours.

Results: The total remifentanil and sevoflurane consumption is significantly lower in transversus abdominis plane group; respectively mean (SD) 0.130 (0.25) vs. 0.094 (0.02) mcg.kg−1.min−1; p < 0.01 and 0.295 (0.05) vs. 0.243 (0.06) mL.min−1; p < 0.01. In the postoperative period, pain scores were significantly reduced in transversus abdominis plane group soon after surgery; median (range) 6 (2–10) vs. 3 (0–5); p < 0.001, at 2 h (5 [3–9] vs. 2.5 [0–6]; p < 0.001), at 6 h (4 [2–7] vs. 3[0–6], p < 0.001), at 12 h (3.5 [1–6] vs. 2 [1–5]; p = 0.003). The patients in the transversus abdominis plane group had significantly higher QoR-40 scores 190.5 (175–197) vs. 176.5 (141–187); p < 0.001).

Conclusion: Combining transversus abdominis plane block with general anesthesia can provide reduced opioid and anesthetic consumption and can improve postoperative pain and quality of recovery scores in patients undergoing total abdominal hysterectomy.

Keywords: Anestesia geral; Anestesia, regional; Anesthesia, general; Anesthesia, regional; Bloqueio do plano transverso abdominal; Histerectomia; Hysterectomy; Transversus abdominis plane block.

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Figures

Figure 1
Figure 1
Study flow.
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