When approaching patients with primary palmar hyperhidrosis (PH), refractory to conservative treatment, endoscopic thoracic sympathectomy (ETS) is a safe and effective alternative. Methods and materials: Retrospective study in order to assess the quality of life of patients with PH undergoing ETS, from 1 of January 2009 to 31 of December 2014. The data was collected from the medical registries of each patient a...