Effect of Chronic Suppurative Otitis Media on Gustatory Function of chorda Tympani Nerve : A Prospective Study.

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Introduction the ability to taste is among the life's finest pleasures and perception of taste can be altered by various disorders or therapeutic regimens as colds or dental procedures. Head trauma patients, patients on certain drugs such as phenylbutanone, carbamazepine and baclofen and patients with inflammatory diseases of the middle ear frequently complain about alterations in their ability to taste. So, assessment of gustatory sensitivity is the prerequisite for the correct diagnosis of taste dysfunction which uses taste strips impregnated with taste stimulants. Material and method in this prospective study, 40 patients were enrolled after assessment of history, general and local examination of ear and finally assessment of gustatory function was done according to Muller technique using taste strips. Results in present study out of 40 patients, 16 (40%) patients had COM squamous, 24 patients (60%) had COM mucosal. In the ipsilateral diseased ear (both COM squamous & mucosal) the mean taste score for various taste sensation was 11.65 ± 2.59. In the contralateral normal ear, the mean taste score was 15.42 ± 0.78. The difference between the two was found to be statistically significant (p < 0.0001). Conclusion a significant difference was obtained in taste scores between diseased (ipsilateral) and normal (contralateral) ears both overall and also when subtypes were compared. Thus, the present prospective study indicates that COM squamous as well as mucosal can induce taste dysfunction.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s12070-023-03703-7.