Oropharyngeal dysphagia is commonly seen in patients with stroke. Clinical assessment may be used to evaluate dysphagia in patients with stroke however reliability of this method is controversial and videofluoroscopic study is still considered as gold standard. However, exposure to radiation, necessity for a experienced practitioner, an expensive device, and swallowing contrast agents are disadvantages of videofluoroscopy. Ultrasonography, on the other hand, is a cheap, noninvasive device which may demonstrate tongue and laryngeal movement dynamically. In this manner, this study aims to evaluate whether ultrasound can assess dysphagia in patients with hemiplegia accurately.
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Glossopalatine junction opening and closing time
Timeframe: through study completion, an average of 1 year
Velopharyngeal junction opening and closing time
Timeframe: through study completion, an average of 1 year
Laryngeal vestibule opening and closing time
Timeframe: through study completion, an average of 1 year
Upper esophageal sphincter opening and closing time
Timeframe: through study completion, an average of 1 year
Hyoid horizontal replacement
Timeframe: through study completion, an average of 1 year
Hyoid vertical replacement
Timeframe: through study completion, an average of 1 year
Thyroid-hyoid approximation
Timeframe: through study completion, an average of 1 year
Tongue thickness
Timeframe: through study completion, an average of 1 year
Hyoid anterior replacement
Timeframe: through study completion, an average of 1 year