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Objective The aim of the study was to explore the impact of insomnia and sleep disturbance on the functional outcomes of mild and moderated stroke. Design A multicenter-observational and correlation study was performed. Two hundred eighty patients with mild-moderate severity stroke admitted to three acute hospitals rehabilitation departments. Diagnostic Statistical Manual of Mental Disorders, Fourth Edition, criteria were used to define patients with insomnia and any sleep disturbance. Patient's initial and final functions were evaluated using the Korean version of the Berg Balance Scale, the Korean version of Modified Barthel Index, the Korean version of Mini-Mental State Examination, the Korean version of the Frontal Assessment Battery, and the Korean version of National Institute of Health Stroke Scale. Sleep disturbance and function were assessed with respect to stroke severity as defined by the Korean version of National Institute of Health Stroke Scale. Results The prevalence of Diagnostic Statistical Manual of Mental Disorders, Fourth Edition insomnia and any sleep disturbance were 26.9% and 56.7%, respectively. After adjusting for age, sex, depression, anxiety, length of stay, and hypnotic usage, the improvement of Korean version of the Berg Balance Scale was significantly lower in the any sleep disturbance group. In the moderate stroke group, the Korean version of the Berg Balance Scale improvement was significantly lower in the any sleep disturbance group, whereas in the mild stroke group, the Korean version of the Berg Balance Scale improvement was not significant. Conclusions Sleep disturbance after stroke was found to have negative effects on functional recovery, especially balance improvement in moderate stroke group.

A 74-yr-old man developed left hemiplegia because of a right middle cerebral artery territory infarction and also had clinical features of dysphagia and speech difficulty. At that time, he complained of neck pain, but the symptom was ignored because he had a nasogastric tube and had been diagnosed with a huge epiglottic cyst that had already shown several symptoms such as severe hoarseness and throat discomfort. A videofluoroscopic swallowing study was planned to find out the cause and the type of dysphagia. On the videofluoroscopic swallowing study, a foreign body was found at the hypopharynx. Surprisingly, it was confirmed as a denture. After removing the denture, the patient's swallowing and speech difficulty were significantly improved. This case emphasizes the need for elderly stoke patients presenting with dysphagia or communication problems to receive more careful history taking and a more complete physical examination, with the cooperation of several clinical departments.