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Published in: Current Neurology and Neuroscience Reports 12/2015

01-12-2015 | Behavior (HS Kirshner, Section Editor)

Clinical Relevance of Orthostatic Hypotension in Neurodegenerative Disease

Authors: Katherine E. McDonell, Cyndya A. Shibao, Daniel O. Claassen

Published in: Current Neurology and Neuroscience Reports | Issue 12/2015

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Abstract

The autonomic nervous system appears to be uniquely susceptible to degeneration in disorders of α-synuclein pathology. Clinically, autonomic dysfunction in these disorders manifests as neurogenic orthostatic hypotension (nOH), a condition that results in substantial morbidity and mortality. nOH results from pathology affecting either the central autonomic pathways or peripheral autonomic nerve fibers. Determining the localization and pathophysiology of nOH is critical in effectively managing this disorder and selecting appropriate treatment options. In this review, we discuss the pathophysiology of nOH with respect to the various α-synuclein-related neurodegenerative conditions. We highlight the associated clinical features, including gait instability, rapid eye movement behavior disorder, and hyposmia. We also review the current pharmacologic treatment options for nOH. Overall, the goals of therapy are to improve symptoms and prevent syncope and falls. Non-pharmacologic interventions should be introduced first, followed by carefully selected pharmacologic therapies. Treatment decisions should be directed by an understanding of the underlying pathophysiology, as well as the comorbidities and potential contributing factors present in each individual patient.
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Metadata
Title
Clinical Relevance of Orthostatic Hypotension in Neurodegenerative Disease
Authors
Katherine E. McDonell
Cyndya A. Shibao
Daniel O. Claassen
Publication date
01-12-2015
Publisher
Springer US
Published in
Current Neurology and Neuroscience Reports / Issue 12/2015
Print ISSN: 1528-4042
Electronic ISSN: 1534-6293
DOI
https://doi.org/10.1007/s11910-015-0599-0