Gilbert J M, Gledhill T, Law N, George C
Br J Surg. 1986 Sep;73(9):749-51. doi: 10.1002/bjs.1800730923.
We have evaluated the effect of transcutaneous electrical nerve stimulation (TENS) on postoperative pain following inguinal herniorrhaphy in a prospective randomized controlled trial. Forty male patients undergoing unilateral inguinal herniorrhaphy for the first time were randomized to receive either active or inactive TENS. Electrical stimulation was delivered by electrodes placed along either side of the wound following operation. An identical apparatus, which did not deliver an electrical current, was applied to control patients. Pain was assessed over the first 3 postoperative days by visual analogue pain scores, expiratory peak flow rates and analgesic requirements. There was no difference between the two groups for pain scores, peak flow rates or analgesic requirements and we conclude that TENS as used in this trial does not reduce postoperative pain. However, TENS had considerable patient appeal and many patients believed that it was effective.
我们在一项前瞻性随机对照试验中评估了经皮电神经刺激（TENS）对腹股沟疝修补术后疼痛的影响。40名首次接受单侧腹股沟疝修补术的男性患者被随机分为接受主动或非主动TENS组。术后通过沿伤口两侧放置的电极进行电刺激。将一个不输送电流的相同装置应用于对照组患者。在术后的前3天，通过视觉模拟疼痛评分、呼气峰值流速和镇痛需求来评估疼痛。两组在疼痛评分、峰值流速或镇痛需求方面没有差异，我们得出结论，本试验中使用的TENS并不能减轻术后疼痛。然而，TENS对患者有很大吸引力，许多患者认为它是有效的。
