Journal
CURRENT NEUROLOGY AND NEUROSCIENCE REPORTS
Volume 6, Issue 2, Pages 169-176Publisher
SPRINGER
DOI: 10.1007/s11910-996-0041-8
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Funding
- NINDS NIH HHS [NS-36977, NS-40221, NS-43374] Funding Source: Medline
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Patients with Parkinson's disease and parkinsonian syndromes (eg dementia with Lewy body disease, multisystem atrophy and Shy-Drager syndrome) suffer from daytime sleepiness. This sleepiness is common and very real, often approaching levels observed in the prototypical disorder of sudden-onset sleep, namely narcolepsy/cataplexy. Physicians need to be vigilant in assessing parkinsonian patients for sleepiness because treatment can dramatically enhance quality of life and prevent the significant morbidity and mortality that attends daytime sleepiness. Male patients with advanced disease cognitive impairment drug-induced psychosis and orthostatic hypertension are most at risk for developing pathologic sleepiness. Because primary sleep disorders can coexist with parkinsonism (eg sleep apnea, insufficient or interrupted sleep), these potential cause should be carefully assessed with polysomnography and treated appropriately. Dopaminomimetics exacerbate sleepiness in a small subset of patients in a dose-dependent fashion. Nonetheless, the primary pathologies involved in parkinsonism appear to be the greatest contribution to daytime sleepiness. Sleepiness in parkinsonism, especially a narcolepsy-like phenotype may necessitate treatment with wake-promoting agents such as bupropion, modafinil, or traditional psychostimulants.
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