Parkinson's disease (PD) usually presents in older adults and typically has both motor and
non-motor dysfunctions. PD is a progressive neurodegenerative disorder resulting from …

Orthostatic hypotension is defined as a drop in systolic blood pressure of at least 20 mmHg
or a drop in diastolic blood pressure of at least 10 mmHg within 3 minutes of standing. It is a …

Autonomic symptom questionnaires are frequently used to assess dysautonomia. It is
unknown whether subjective dysautonomia obtained from autonomic questionnaires …

We describe a patient with neurogenic orthostatic hypotension (nOH) after brainstem
neurosurgery in whom baroreflex-cardiovagal function was normal despite baroreflex …

Syncope is a symptom in which transient loss of consciousness occurs as a consequence of
a self-limited, spontaneously terminating period of cerebral hypoperfusion. Many circulatory …

Multiple system atrophy (MSA) is a sporadic, fatal, and rapidly progressive
neurodegenerative disease of unknown etiology that is clinically characterized by autonomic …

Background Reported orthostatic hypotension (OH) prevalence in Parkinson's disease (PD)
varies widely, with few studies evaluating specifically neurogenic-OH (nOH). The ratio of …

More than 40 years ago, Jim Rafterry and his group at Northwick Park Hospital in London
and John Floras and Peters Sleight at John Radcliffe Hospital in Oxford conducted a series …

Patients with Parkinson's disease (PD) carrying variants in the Glucocerebrosidase (GBA)
gene (GBA-PD) suffer from orthostatic symptoms more frequently than idiopathic PD patients …

Background: Neurogenic orthostatic hypotension (NOH) is a significant non-motor
manifestation of Parkinson's disease (PD), that substantially affects patient disability and has …