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Original Research
A combination of ultrasound-guided rectus sheath and transversus abdominis plane blocks is superior to either block alone for pain control after gynecological transumbilical single incision laparoscopic surgery
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1
Department of Anesthesiology and Palliative Care, Nissay Hospital, Osaka
2
Department of Pediatric Surgery, Hamamatsu University School of Medicine, Shizuoka (Japan)
Clin. Exp. Obstet. Gynecol. 2016, 43(4), 504–508;
https://doi.org/10.12891/ceog2142.2016
Published: 10 August 2016
Abstract
Purpose: To investigate the efficacy of the combination of ultrasound-guided rectus sheath (RS) and transversus abdominis plane (TAP) blocks compared with TAP or RS block alone in gynecological single-incision laparoscopic surgery (SILS). Materials and Methods: Bilateral TAP blocks (Group A, n = 12), TAP and RS blocks (Group B, n = 12), and RS blocks (Group C, n = 12) with 40 ml ropivacaine/ patient were performed for ovarian tumor SILS. The analgesic effects were evaluated using a numerical rating scale (NRS) at zero, six, 12, 24, and 48 hours post-surgery. Results: Umbilical pain on completion of general anesthesia was significantly less frequent in Group B (1/12) than Group A (7/12) (p = 0.03). The postoperative NRS scores were significantly lower in Group B than Group A at zero (p = 0.02) and six (p = 0.03) hours and Group C at zero (p = 0.001), six (p = 0.02), and 12 (p = 0.004) hours. Conclusion: The combination of RS and TAP blocks reduced early postoperative pain compared with RS or TAP block alone for gynecological SILS.
Keywords
Single-incision laparoscopic surgery
Transversus abdominis plane block
Rectus sheath block