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From the Department of Neurology (Drs. Holmes and Chang) and Division of Pulmonary and Critical Care, Department of Medicine (Dr. Kapur), University of Washington School of Medicine, Seattle.
Address correspondence and reprint requests to Dr. Mark D. Holmes, EEG & Clinical Neurophysiology Lab, Box 359722, Harborview Medical Center, 325 Ninth Ave., Seattle, WA 98104-2499; e-mail: mdholmes{at}u.washington.edu
Vagal nerve stimulation (VNS) therapy affects respiration during sleep and can interrupt sleep. VNS has also been noted to improve excessive daytime sleepiness. The authors present a patient who developed excessive daytime sleepiness after VNS placement, as a consequence of apneas and arousals associated with intermittent electrical stimulation of the left vagus nerve.
Received September 17, 2002. Accepted in final form June 26, 2003.
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