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Neurology 2002;58:462-465
© 2002 American Academy of Neurology
Brief Communications

Polysomnographic characterization of pergolide-induced sleep attacks in idiopathic PD

M. Ulivelli, MD PhD;, S. Rossi, MD PhD;, C. Lombardi, MD, S. Bartalini, MD, R. Rocchi, MD, F. Giannini, MD, S. Passero, MD, N. Battistini, MD and E. Lugaresi, MD

From the Dipartimento di Neuroscienze (Drs. Ulivelli, Rossi, Lombardi, Bartalini, Rocchi, Giannini, Passero, and Battistini), Sezione Neurologia, Università di Siena; and Istituto di Clinica Neurologica (Drs. Lombardi and Lugaresi), Università di Bologna, Italy.

Address correspondence and reprint requests to Dr. Simone Rossi, Dipartimento di Neuroscienze, Sezione Neurologia, UO di Neurofisiopatologia, Policlinico Le Scotte, Viale Bracci, I-53100, Siena, Italy; e-mail: Rossisimo{at}unisi.it

Both dopamine agonists and levodopa may induce episodes termed "sleep attacks" in patients with PD. These episodes are well detailed behaviorally, but little is known about their neurophysiologic characterization. The authors performed a 24-hour polysomnography (PSG) in a PD patient taking pergolide in combination with levodopa, in which four of these diurnal sleep episodes occurred. PSG findings were followed up after pergolide withdrawal. Sleep episodes shared with narcolepsy both behavioral and EEG findings. However, pergolide partly restored a more physiologic sleep architecture, which was disrupted during therapy with levodopa alone.




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