• Ko-Chao Lee, Chien-Chang Lu, Shung-Eing Lin, Chia-Lo Chang, and Hong-Hwa Chen.
• Hepato Gastroenterol. 2015 Jun 1; 62 (140): 811-6.

Background/AimsMinimally invasive laparoscopy provides faster recovery, less pain, fewer complications, and better cosmesis than laparotomy. We aimed to evaluate outcomes of postoperative local anesthesia infiltration at the single-incision laparoscopic surgery (SILS) wound.MethodologyThis prospective, non-randomized controlled study evaluated outcomes of 58 colorectal cancer cases receiving SILS from May 2010 to December 2010. Twenty-nine patients received postoperative infiltration of local anesthesia at the wound site; another 29 patients did not. Demographic, intra- and postoperative data were compared. Postoperative pain was assessed by visual analogue scale and analgesic usage.ResultsLocal anesthesia group included 16 males, 13 females (mean age, 62.0 ± 15.1 years); no local anesthesia group included 14 males, 15 females (mean age, 58.1 ± 12.7 years). There were no significant differences between groups at baseline (i.e., age, gender, disease stage, tumor location or size) except BMI (25.2 ± 2.8 vs. 23.5 ± 3.4, p = 0.041) was significantly higher. Postoperative pain scores were significantly lower in local anesthesia group than in no local anesthesia group (median VAS score 2.0, IQR 2.0-3.0 vs. VAS score 3.0, IQR 3.0-4.0, respectively, P = 0.024).ConclusionsOur results provide further evidence of SILS safety. Local anesthesia infiltration at SILS wounds decreases postoperative wound pain and analgesic usage.

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