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- Margareta Bülow, Rolf Olsson, and Olle Ekberg.
- Department of Diagnostic Radiology, Malmö University Hospital, Lund University, Sweden. Margareta.Bulow@rontgen.mas.lu.se
- Dysphagia. 2002 Jan 1;17(3):197-201.
AbstractSimultaneous videoradiography and solid-state manometry (videomanometry) were performed in 8 patients (4 women, 4 men; age range = 46-81 years, mean age = 70 years) with pharyngeal dysfunction in order to disclose any changes in intrabolus pressure during swallowing maneuvers. Five of the patients had severe pharyngeal dysfunction with frequent misdirected swallows. Three of the patients had moderate pharyngeal dysfunction with delayed initiation of pharyngeal swallow. Three different swallowing techniques were applied: supraglottic swallow, effortful swallow, and chin tuck. Pharyngeal intrabolus pressure was analyzed at the level of the inferior pharyngeal constrictor. Supraglottic swallow, effortful swallow, and chin tuck did not alter peak amplitude or duration of the intrabolus pressure.
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