[Autonomic nervous system disturbances in Parkinson's disease]

On the basis of neurophysiological tests we conclude that subclinical signs of dysautonomia appear in Parkinsonians. Various autonomic functions are not disturbed in the same degree. Examinations of cardiovascular system showed that functions connected with parasympathetic system were affected, while those connected with sympathetic part were not. Examinations of skin sympathetic reflexes displayed rather patchy, disseminated type of damage: only latencies of responses recorded from hands (but not from feet) were prolonged when compared to the control group.