AJR. American journal of roentgenology · 2002
Videofluoroscopic assessment of patients with dysphagia: pharyngeal retention is a predictive factor for aspiration.
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Eisenhuber Edith, Schima Wolfgang, Schober Ewald, Pokieser Peter, Stadler Alfred, Scharitzer Martina, Oschatz Elisabeth
Аннотация
OBJECTIVE: This study evaluated the clinical significance of pharyngeal retention to predict aspiration in patients with dysphagia.
MATERIALS AND METHODS: At videofluoroscopy, pharyngeal retention was found in 108 (28%; 73 males, 35 females; mean age, 60 years) of 386 patients with a suspected deglutition disorder. Swallowing function was assessed videofluoroscopically. The amount of residual contrast material in the valleculae or piriform sinuses was graded as mild, moderate, or severe. The frequency, type, and grade of aspiration were assessed.
RESULTS: Pharyngeal retention was caused by pharyngeal weakness or paresis in 103 (95%) of 108 patients. In 70 patients (65%) with pharyngeal retention, postdeglutitive overflow aspiration was found. Aspiration was more often found in patients who had additional functional abnormalities such as incomplete laryngeal closure or impaired epiglottic tilting (p < 0.05). Postdeglutitive aspiration was diagnosed in 25% patients with mild, in 29% with moderate, and in 89% with severe pharyngeal retention (p < 0.05).
CONCLUSION: Postdeglutitive overflow aspiration is a frequent finding in patients with pharyngeal retention, and the risk of aspiration increases markedly with the amount of residue. Functional abnormalities other than pharyngeal weakness, such as impaired laryngeal closure, may contribute to aspiration.
MATERIALS AND METHODS: At videofluoroscopy, pharyngeal retention was found in 108 (28%; 73 males, 35 females; mean age, 60 years) of 386 patients with a suspected deglutition disorder. Swallowing function was assessed videofluoroscopically. The amount of residual contrast material in the valleculae or piriform sinuses was graded as mild, moderate, or severe. The frequency, type, and grade of aspiration were assessed.
RESULTS: Pharyngeal retention was caused by pharyngeal weakness or paresis in 103 (95%) of 108 patients. In 70 patients (65%) with pharyngeal retention, postdeglutitive overflow aspiration was found. Aspiration was more often found in patients who had additional functional abnormalities such as incomplete laryngeal closure or impaired epiglottic tilting (p < 0.05). Postdeglutitive aspiration was diagnosed in 25% patients with mild, in 29% with moderate, and in 89% with severe pharyngeal retention (p < 0.05).
CONCLUSION: Postdeglutitive overflow aspiration is a frequent finding in patients with pharyngeal retention, and the risk of aspiration increases markedly with the amount of residue. Functional abnormalities other than pharyngeal weakness, such as impaired laryngeal closure, may contribute to aspiration.