Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2006-2-16
pubmed:abstractText
Augmentation, defined as a loss of circadian recurrence with progressively earlier daily onset and increase in the duration, intensity, and anatomy of symptoms, not compatible with the half-life of the drug, is associated with dopaminergic treatment in restless legs syndrome (RLS) patients. The pathogenesis of augmentation is unclear. We describe a patient with idiopathic RLS who developed augmentation after 8 months of levodopa treatment. Videopolysomnographic and pharmacokinetic studies with monitoring of plasma levodopa levels demonstrated marked motor hyperactivity during augmentation, with anarchic discharges of motor unit potentials, tonic grouped discharges and flexor spasms, associated with painful dysesthesia. Symptoms and signs of augmentation were related to low plasma levodopa levels, abating 75 minutes after oral levodopa administration and reappearing after 3 hours, closely mirroring the rapid rise and fall of plasma levodopa concentration. This case is the first report in which RLS augmentation is shown to be characterized by motor hyperkinesias paralleling levodopa plasma pharmacokinetic profile.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0885-3185
pubmed:author
pubmed:copyrightInfo
Copyright (c) 2005 Movement Disorder Society.
pubmed:issnType
Print
pubmed:volume
21
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
254-8
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Polysomnographic and pharmacokinetic findings in levodopa-induced augmentation of restless legs syndrome.
pubmed:affiliation
Department of Neurological Sciences, University of Bologna, Bologna, Italy. vetrugno@neuro.unibo.it
pubmed:publicationType
Journal Article, Case Reports