Changes in Sensitivity, Taste and Smell in Stroke Patients

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Stroke is the second leading cause of death. At least 50% of stroke patients develop dysphagia, leading to aspiration pneumonia, which is the main cause of death in stroke [2]. It is assumed that normal sensitivity is vital for aspiration-free swallowing and for the triggering of the swallowing refl...

Stroke is the second leading cause of death. At least 50% of stroke patients develop dysphagia, leading to aspiration pneumonia, which is the main cause of death in stroke [2]. It is assumed that normal sensitivity is vital for aspiration-free swallowing and for the triggering of the swallowing reflex. Ali et al. demonstrated aspiration-free swallowing in healthy volunteers who underwent local anaesthesia of oral and pharyngeal structures [1]. Power et al. showed a reduced sensitivity of pharyngeal structures in stroke patients prone to aspiration [3]. By combining measuring sensitivity and flexible endoscopic swallowing studies, this study further investigates the role of sensitivity in swallowing Neuropsychological deficits of swallowing, such as swallowing apraxia or buccal hemineglect, is assessed by neuropsychological testing. Additionally, there is no systematic research investigating the change in smell and taste in correlation with changes in stroke patients

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