• Yong-bing Chen, Wu Ye, Wen-tao Yang, Li Shi, Xu-feng Guo, Zhong-hua Xu, and Yong-yue Qian.
• Department of Cardiothoracic Surgery, the Second Affiliated Hospital, Soochow University, Suzhou, Jiangsu 215004, China.
• Chin. Med. J. 2009 Jul 5; 122 (13): 1525-8.

BackgroundVideo-assisted thoracoscopic sympathectomy had replaced open surgery. The aim of this study was to compare the outcomes of using a single port and two ports to perform video-assisted thoracoscopic sympathectomy for palmar hyperhidrosis.MethodsBetween April 2006 and February 2008, 20 cases underwent video-assisted thoracoscopic sympathectomy through one port (uniportal group) and 25 cases through two ports (biportal group). The variables including the operating time, hospital stay, pain scores, postoperative complications, incidence of symptom recurrence and patient satisfaction were compared. The mean postoperative follow-up period was 11.5 months (range, 3 - 25 months).ResultsThe hands of all patients were warm and dry after operation. No conversion to open surgery was necessary, and no operative mortality was recorded in either group. The mean inpatient pain scores were significantly higher in the biportal group (1.2 +/- 0.6) than that in the uniportal group (0.8 +/- 0.5, P = 0.025). For the first three weeks after operation, four out of 20 (20%) patients in the uniportal group constantly suffered from mild or moderate residual pain while eight out of 25 (32%) cases in the biportal group (P = 0.366). Among them, two cases in the uniportal group and five cases in the biportal group need to take analgesics. Our mean operative time (bilateral sympathectomy) in the uniportal group ((39.5 +/- 10.0) minutes) was shorter than that in biportal group ((49.7 +/- 10.6) minutes, P = 0.02). There were no significant differences between two groups in terms of the mean hospital stay, compensatory sweating, and patient satisfaction. Two patients in the biportal group and three in the uniportal group experienced a unilateral pneumothorax. None of them required chest drainage. No patient experienced Horner's syndrome, and no recurrent symptoms were observed in either groups.ConclusionsBoth uniportal and biportal video-assisted thoracoscopic sympathectomy are effective, safe, and minimally invasive for palmar hyperhidrosis. Comparing with the biportal approach, the uniportal approach causes less postoperative pain and less operative time, and is a more reasonable procedure in treatment of palmar hyperhidrosis.

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