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Chronic stimulation of the left vagal nerve in children: effect on swallowing
G Schallert1, J Foster, N Lindquist
1Section of Neurology, Children's Mercy Hospital, Kansas City, Missouri 64108, USA.
Purpose:
To learn whether stimulation of the left vagal nerve would influence swallowing.
Methods:
Eight children receiving intermittent left vagal nerve stimulation (VNS) for their pharmacoresistant epilepsy underwent barium swallow studies with their generators off, on, and at maximally tolerated settings.
Results:
Laryngeal penetration of barium was present in three patients without stimulation, and was caused by VNS in one other patient. Aspiration never occurred.
Conclusions:
Stimulation of the left vagal nerve under conditions used to treat epilepsy does not cause aspiration.
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