April 2004
Gut;Apr2004 Supplement 3, Vol. 53, pA112
Academic Journal
This article presents a study that aims to assess the relationship between swallowing function and removal of sensation by topical oropharyngeol anaesthesia and determine whether this is related to the level of sensory reduction. Compared with baseline pre-anaethesia and placebo measures, only the 40 ml dose of lidocoine altered swallowing. The main effect was immediately after anaesthesia, reducing both the speed of swallowing and increasing the interswallow interval. Swallowing function is thus reliant of sensation, displaying an anaesthesia dose dependence, but this is not related to subjective sensory thresholds.


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