Sympathetic skin response and heart rate variability in patients with Huntington disease

KR Sharma, JG Romano, DR Ayyar, FT Rotta… - Archives of …, 1999 - jamanetwork.com
Objective To examine the autonomic nervous system functions in patients with Huntington
disease. Background Although patients with Huntington disease frequently experience
vegetative symptoms, it is not clear if there is dysfunction of the autonomic nervous system.
Methods Sympathetic skin response (SSR) latency and amplitude from both palms and
soles and RR (heart rate) interval variation (RRIV) at rest and during the Valsalva maneuver
were examined in 22 patients and 21 age-matched controls. Unified Huntington's Disease …