| Abstrakt: |
Purpose: Unlike other laparoscopic techniques, the peritoneum is not incised in laparoscopic totally extraperitoneal inguinal hernia repair (TEP), and the preperitoneal space is developed as the surgical field by blunt dissection and CO2 insufflation. While many studies have investigated the effect of neuromuscular blockade (NMB) on the surgical conditions and postoperative pain of laparoscopic intraperitoneal surgery, few studies have investigated those of TEP. In the present study, we investigated the effect of NMB on the surgical conditions and postoperative pain of TEP. Methods: Forty-two adult patients scheduled for unilateral TEP under general anesthesia with remifentanil and desflurane were randomly assigned to paralyzed or non-paralyzed groups. In the paralyzed group, rocuronium doses were administered to maintain post-tetanic count at ≤ 5 during surgery. Non-paralyzed subjects were not given any rocuronium. Postoperatively, surgeon-evaluated surgical conditions, assessed using a 100-mm visual analogue scale ranging from 0 mm (not acceptable) to 100 mm (excellent), were compared between the two groups. For evaluation of postoperative pain, the time from the end of anesthesia to the initial requirement of postoperative analgesia was compared by the log-rank test. Results: Median [interquartile range] score of surgical condition in the paralyzed and non-paralyzed groups were 84 [75–90] and 84 [78–87], respectively (P = 0.46). Significant differences in postoperative analgesic requirements between the two groups were not confirmed (P = 0.74). Conclusion: NMB did not improve the surgical conditions nor reduce postoperative pain. NMB is not routinely needed for TEP just because it is a laparoscopic procedure. Clinical trial registration: The trial was registered in the UMIN clinical trials registry (UMIN000029683, October 24, 2017; Principal investigator: Masafumi Fujimoto, https://upload.umin.ac.jp/cgi-open-bin/ctr/ctr%5fview.cgi?recptno=R000033920) prior to patient enrolment. [ABSTRACT FROM AUTHOR] |
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