探讨单侧腹股沟疝修补术的患者中，超声引导下的内侧腹横肌平面阻滞的镇痛效果。

对2017年1月至2018年4月在新疆维吾尔自治区人民医院治疗的年龄≥18岁、ASA麻醉分级为Ⅰ~Ⅱ级的100例男性患者进行前瞻性随机对照双盲试验。患者前瞻性随机分为2组，分别接受切口前同侧髂腹股沟-髂腹下神经阻滞50例（对照组）、内侧腹横肌平面阻滞50例（试验组）。观察2组术后24 h镇痛剂的消耗量、疼痛评分、术后副作用等。

试验组患者第1次要求镇痛剂的时间、术后24 h镇痛剂用量、麻醉满意度方面与对照组比较，差异无统计学意义（P>0.05）；试验组在时间节点8、12 h的术后疼痛数字评分低于对照组，差异有统计学意义（P<0.05）；术后其他时间点1、4、18、24 h与对照组比较，差异无统计学意义（P>0.05）。

内侧腹横肌平面阻滞是一种简单易行的麻醉方法，可用作腹股沟-髂腹下神经阻滞的替代方案，用于腹股沟疝修补术后患者的术后疼痛缓解。

To evaluate the analgesic efficacy of ultrasound-guided medial transversus abdominis plane (TAP) block in unilateral inguinal hernia repair.

This study is a prospective randomized controlled double-blind trial, conducted on 100 male patients whose age ≥18 years old and ASA grade wasⅠor Ⅱ, in the People's Hospital of Xinjiang Uygur Autonomous Region from January 2017 to April 2018. The patients were prospective randomly divided into two groups. 50 patients received ipsilateral anterior iliac inguinal hernia-abdominal nerve block (control group) and 50 patients received medial TAP block (TAP group). The consumption of analgesics, pain scores and postoperative side effects were observed in the two groups within 24 hours after surgery.

There were no significant differences between the two groups in the time of first request for analgesics, the dose of analgesics 24 hours after surgery and the satisfaction of anesthesia (P>0.05). After the surgery, the observation group, at the time of 8 hours and 12 hours, showed lower postoperative pain score than the control group (P<0.05). There was no statistical difference in the postoperative pain score at 1, 4, 18, and 24 h (P>0.05).

The medial transversus abdominis plane block is a novel, simple and easy-to-use anesthetic method that can be used as an alternative to the inguinal-iliac subabdominal nerve block in patients undergoing inguinal hernia repair.