Swallowing disorders after ischemic stroke

Gabriela Camargo Remesso; Márcia Maiumi Fukujima; Ana Lúcia de Magalhães Leal Chiappetta; Adriana Leico OdaI; Alexandre Santos Aguiar; Acary de Souza Bulle Oliveira; Gilmar Fernandes do Prado

Arq. Neuro-Psiquiatr. vol.69 no.5 São Paulo Oct. 2011

ABSTRACT

OBJECTIVE: To investigate occurrences of swallowing disorders after ischemic stroke.
METHOD: This was a retrospective study on 596 medical files. The inclusion criterion was that the patients needed to have been hospitalized with a diagnosis of ischemic stroke; the exclusion criteria were the presence of associated cardiac problems and hospital stay already more than 14 days.
RESULTS: 50.5% were men and 49.5% women; mean age 65.3 years (SD=±11.7) (p<0.001). Among the risk factors, 79.4% had hypertension, 36.7% had diabetes (p<0.001) and 42.7% were smokers. 13.3% of the patients died. Swallowing disorders occurred in 19.6%, among whom 91.5% had mild difficulty and 8.5% had severe difficulty. 87.1% had spontaneous recovery after a mean of 2.4 months. A lesion in the brainstem region occurred in 6.8% (p<0.001).
CONCLUSION: Swallowing disorders occurred in almost 20% of the population and most of the difficulty in swallowing found was mild. The predictors for swallowing disorders were older age, diabetes mellitus and lesions in the brainstem region.

Key words: swallowing disorders, dysphagia, stroke, epidemiology.

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