Clinical applications and mechanism of intravenous taste tests

Auris, Nasus, Larynx
H Matsuyama, H Tomita

Abstract

It is well known that there are two ways to measure human blood circulation time: the arm-to-lung and the arm-to-tongue method. The decholin (20% dehydrocholic acid) test is usually used to measure the arm-to-tongue circulation time. In this study, this procedure was used to examine taste function. Findings on the clinical application of this intravenous taste test using decholin and a study on the mechanism of venous taste perception are reported here. The following method was used: Five ml of 20% decholin were injected into the right cubital vein over a 10-sec period and the latent time, the duration, the quality of the taste sensation and the region of the tongue where the taste appeared were noted. The results were as follows: 1) In dysgeusic subjects, the latent period was longer, and the duration of the taste sensation was shorter than in normal subjects (p is less than 0.01, p is less than 0.05). 2) Some of the dysgeusic subjects perceived the taste as other than bitter; their prognosis of taste dysfunction tended to be worse than that of other subjects. 3) Some of the dysgeusic subjects perceived the taste in regions of the tongue other than the bilateral edges or over the entire tongue; their prognosis of taste dysfunc...Continue Reading

Citations

Jul 6, 2004·The Laryngoscope·Michael R Goins, Dimitri Z Pitovski
Aug 28, 2010·Oral Diseases·B J Cowart
Jul 23, 2002·Acta Oto-laryngologica. Supplementum·Mahoko HottaHiroshi Tomita
Apr 15, 2000·Pharmacology, Biochemistry, and Behavior·S S SchiffmanL Iuga

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