Restless legs syndrome and PD: a review of the evidence for a possible association.

Abstract:

:Restless legs syndrome (RLS) is a common neurologic disorder whose prevalence has been estimated at 4 to 10% of the general population. Although its pathophysiology remains unknown, dopaminergic mechanisms are believed to play a central role. Furthermore, dopaminergic drugs have shown therapeutic efficacy in various large-scale therapeutic trials, and dopamine agonists now represent the first line of treatment. Several studies performed over the past years have suggested an association between RLS and Parkinson's disease (PD). However, the evidence is still limited and large controlled studies are needed to show the prevalence rates of PD in RLS patients versus controls. Furthermore, in contrast to PD, some brain imaging studies have revealed a mild striatal dysfunction in RLS. Preliminary neuropathologic evidence also suggests that the dopaminergic dysfunction does not involve neuronal degeneration at that level. Therefore, neuronal degeneration in other dopaminergic pathways than the nigrostriatal might be relevant in the pathogenesis of RLS in PD.

journal_name

Neurology

journal_title

Neurology

authors

Garcia-Borreguero D,Odin P,Serrano C

doi

10.1212/wnl.61.6_suppl_3.s49

subject

Has Abstract

pub_date

2003-09-23 00:00:00

pages

S49-55

issue

6 Suppl 3

eissn

0028-3878

issn

1526-632X

journal_volume

61

pub_type

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