Reduced tongue driving force or poor pharyngeal baring action are frequent capers of patients who have suffered CVAs (McCaffrey, 2001). These cause food residue to accumulate in the valleculae and can trace to aspiration after the swallow. The pharyngeal stripping action is the last part of the swallow in the radiation diagram swallowing process to recover. No site-specific problems are associated with these problems in CVA dysphagia.
cardinal percent of CVA dysphagia patients who have pharyngeal stage problems alike have oral stage problems (McCaffrey, 2001). Fifty percent of patients with problems that postulate the oral stage of the swallow have reduced or abnormal tongue movements that affect the initiation of the swallow. Tongue go through problems do not usually cause aspiration problems. once again no specific site of lesion is associated with tongue movement problems.
lonesome(prenominal) five percent of CVA patients have a problem with vocal fold abduction, and this type of difficulty only occurs with star stem lesions. Cortical strokes do no generally lead to airway closur
Dysphagia evaluation. (2005). Retrieved Mar. 13, 2005 from:
McCaffrey, P. (2001). Unit 5. The temperament of the swallow.
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=hstat1.chapter
http://www.csuchico.edu/~pmccaff/syllabi/SPPA342/342unit5.hmtl
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