• J Moya, R Ramos, N Vives, J Pérez, R Morera, V Perna, R Villalonga, and G Ferrer.
• Servicio de Cirugía Torácica, Hospital Universitari de Bellvitge, L'Hospitalet del Llobregat, Barcelona, Spain. jmoya@ub.edu
• Arch. Bronconeumol. 2004 Aug 1; 40 (8): 360-3.

ObjectiveThe most unpleasant consequence of upper thoracic sympathectomy is compensatory sweating (CS). De-pending on the series, the incidence of CS ranges from 24% to 85%. The aim of this study was to determine the relation between CS and the following factors: distribution of hyperhidrosis, procedure performed (unilateral, synchronic bilateral, or sequential bilateral), and number of sympathetic ganglia eliminated. In addition, the degree of patient satisfaction was recorded as objectively as possible.Patients And MethodsProspective study of 123 patients who underwent upper thoracic sympathectomy for palmar and/or axillary hyperhidrosis between 1 January, 1996 and 1 June, 2002 at our unit. All patients completed a questionnaire on symptoms 8 weeks before and after surgery to deter-mine postoperative changes in distribution of the hyperhidrosis and the overall degree of satisfaction on a scale of 0 to 4.ResultsThe sensation of CS was reported by 86.1% of the patients. When asked to relate this sensation to changes in sweating intensity in specific parts of the body, 46.54% reported CS and 48.37% no change. The trunk was the only region where statistically significant increases in CS occurred; in the feet, a decrease in sweating was noted. No differences in CS were observed with respect to the type of surgery or the number of sympathetic ganglia eliminated. The overall results were considered very satisfactory or quite satisfactory by 84.55% of the patients, while 4.88% were very dissatisfied.ConclusionsAlthough CS is a side effect of upper thoracic sympathectomy, not all patients are affected by it. Significant CS occurs mainly in the back, chest, and abdomen. Neither the type of intervention nor the number of ganglia eliminated has an effect on CS. This side effect notwithstanding, overall satisfaction with the treatment is very satisfactory given that the palmar hyperhidrosis is eliminated.

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