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We studied 23 individuals(16 men,seven women;mean age 57 years)who had brainstem strokes confirmed by computed tomography of the head or magnetic resonance imaging.Videofluoroscopic modified barium-swallowing examination showed aspiration in 15 of 23 patients.Of the 15 aspirating patients,the majority had bilateral strokes with multiple lesion loci,most often in association with large-vessel disease.All 15 patients had involvement of the pons or medulla.Statistical analyses revealed a significant association between aspiration and pharyngeal residue observed under videofluoroscopy,cranial nerve IX abnormality,vocal fold weakness,and severe dysarthria.Despite initial severity,recovery was good.Following an aggressive program of aspiration prevention,over 80%of patients resumed full oral nutrition at the last follow-up. |
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aspiration
brainstem,infarction of
CAT scan
CAT scan,abnormal
cerebrovascular accident
cerebrovascular accident,bilateral
dysarthria
dysphagia
gag reflex,depressed
medulla oblongata,infarction of
MRI
MRI,abnormal
pons,infarction of
prognosis
vocal cord paralysis
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