It was reported that the patient has been experiencing hypopnea and sleep apnea since early (b)(6) 2016.The apnea is quite marked from the moment patient goes to sleep, which seems to happen regularly about every two minutes when his vns stimulation is triggered.Clinic notes were received stating that the vns seems to be causing some obstructive apnea while patient is asleep, about every 2 minutes when the device stimulates.The physician suspects this is due to the output current causing tightening of the airway, possibly narrowing of the vocal cords as patient does experience some hoarseness while awake when the vns is stimulating.Therefore, the physician adjusted the settings.Additional relevant information has not been received.
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