Reduced tongue driving force or poor pharyngeal denudation action are car park hassles of patients who have suffered CVAs (McCaffrey, 2001). These cause food residue to accumulate in the valleculae and can glide by to aspiration after the swallow. The pharyngeal stripping action is the last part of the swallow in the median(prenominal) swallowing process to recover. No site-specific problems are associated with these problems in CVA dysphagia.
litre percent of CVA dysphagia patients who have pharyngeal stage problems excessively have oral stage problems (McCaffrey, 2001). Fifty percent of patients with problems that extend to the oral stage of the swallow have reduced or abnormal tongue movements that affect the initiation of the swallow. Tongue agree problems do not usually cause aspiration problems. over again no specific site of lesion is associated with tongue movement problems.
only when five percent of CVA patients have a problem with vocal fold abduction, and this type of difficulty only occurs with soul 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 spirit 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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