Progress and Prospects in Parkinson's Research/Symptoms/Orthostatic hypotension

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Orthostatic hypotension

Drop in blood pressure during changes in body position.

A recent review of Cardiovascular dysautonomia in Parkinson's by Jain and Goldstein (2012) is particularly relevant. The following references are also relevant:-

Hussain et al (2001) Treatment of erectile dysfunction with sildenafil citrate (Viagra) in parkinsonism due to Parkinson's disease or multiple system atrophy with observations on orthostatic hypotension 

Park and Stacy(2011) Dopamine-Induced Nonmotor Symptoms of Parkinson's Disease 

Sommer et al (2011) Nondipping in Parkinson's Disease 

Further Research

References