Comparative study of analgesic effect of simple lidocaine and ropivacaine-plus in inguinal hernia tension-free repair in adults

Abstract

Objective To investigate the analgesic effect of lidocaine plus ropivacaine in inguinal hernia tension-free repair under local anesthesia. Methods A total of 815 patients with unilateral inguinal hernia admitted to Chaoyang Hospital from July 2013 to Jane 2014 were enrolled in this retrospective study. The patients were divided into 2 groups: local anesthesia using a combination of 1% lidocaine (10 ml) and 0.75% ropivacaine (10 ml) in observation group (n=412), and 1% lidocaine (20 ml) were administered in control group (n=403). Postoperatively heart rate (HR), mean arterial pressure (MAP), pain intensity (VAS), analgesic demand, adverse events and hospital duration were assessed. Results There was no significant difference between the 2 groups in postoperative hemodynamic monitoring (all P>0.05). VAS score in observation group were lower than those in control group at 1, 3, 6 and 9 h. The former needed significantly less pain killer (all P<0.05). Conclusion Ropivacaine decreases postoperative pain level after tension-free inguinal hernia repair without additional risk of perioperative events. Key words: Hernia, inguinal; Analgesia; Ropivacaine