Vocal cord collapse during phrenic nerve-paced respiration in congenital central hypoventilation syndrome

OBJECTIVE Phrenic nerve pacing can be used to treat congenital central hypoventilation syndrome (CCHS). We report how the lack of normal vocal cord tone during phrenic paced respiration can result in passive vocal cord collapse and produce obstructive symptoms. METHODS We describe a case of passive vocal cord collapse during phrenic nerve paced… (More)