• Hiroshi Aoki, Tetsuya Sakai, Hiroaki Murata, and Koji Sumikawa.
• Department of Anesthesiology, Nagasaki University School of Medicine, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
• J Anesth. 2014 Apr 1; 28 (2): 210-3.

PurposeEndoscopic thoracic sympathectomy (ETS) for the treatment of palmar hyperhidrosis is generally performed at one or two levels ranging between T2 and T4; however, compensatory sweating (CS) is an occasional bothersome side effect. The aim of our study was to evaluate the association between the extent of ETS and the degree of postoperative CS and palmar sweating, as well as patient satisfaction.MethodsThe participants represented a consecutive series of 76 patients who underwent bilateral ETS for palmar hyperhidrosis at level T2 and/or T3. Patients were interviewed by postal questionnaires to assess their self-reported degree of postoperative palmar sweating and CS and their outcome satisfaction. Of the 53 patients who replied to the postal questionnaire, 25 underwent bilateral ETS at one level (group A), and 27 underwent bilateral ETS at two levels (group B). One patient who underwent asymmetrical sympathectomy was excluded.ResultsThe degree of postoperative palmar sweating was significantly lower in group B than in group A. The severity of CS was significantly higher in group B than in group A. The severity of CS was significantly inversely correlated with the degree of patient satisfaction. However, the degree of postoperative palmar sweating was not correlated with the degree of patient satisfaction.ConclusionsCompared to ETS at two levels, single-level ETS of T2 or T3 reduces postoperative palmar sweating to a milder degree, and causes CS to a less severe degree. The severity of CS is inversely correlated with the degree of patient satisfaction.

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