Application of Electroglottography to Dysphagia in Stroke Patients

Twenty-one stroke patients (11 subjectively dysphagic, 10 not dysphagic) and 21 healthy men were examined by electroglottography (EGG) to determine the quantitative nature of their deglutition function. Impedance changes in cervical tissue were recorded with an EGG during deglutition. Three healthy men were examined by videofluorography simultaneously with EGG to determine the relationship between the two examinations. The latency of EGG in the subjectively dysphagic patients was delayed significantly compared with the nondysphagics and healthy men (p