Blood pressure and heart rate variability in patients with essential hyperhidrosis

Abstract.Introduction  Essentialhyperhidrosis (EH) is often consideredto be related to an increasedactivity of sympathetic nervoussystem (SNS). However, there is alack of studies comparing autonomicnervous system (ANS) activityin controls and in EH patients.The aim of the present study was tosimultaneously investigate in patientswith severe EH, blood pressure,heart rate variability andplasma catecholamine levels incomparison with controls.