A study on the outcome of various methods of administration of intratympanic dexamethasone in tinnitus of cochlear pathology

M. Vivek, M. Gowri Shankar, N. Ponraj Kumar, V. Suresh


Background: The aim of the study was to compare the outcome of various methods of injecting intra tympanic steroids in patients with tinnitus of cochlear pathology.

Methods: A prospective study was conducted on 56 patients with subjective tinnitus of cochlear pathology who were then divided into three groups. After thorough otological and audiological evaluation using standard questionnaire, ENT examination, pure tone audiometry, tone decay test, tinnitogram, CT scans of temporal bone and brain. Each patient underwent one of the three chosen methods of intra tympanic steroids administration randomly. The methods are 1-Tympanomeatal flap elevationand application of steroid soaked gelfoam sponge; 2-Transtympanic steroid injection; 3-Grommet insertion followed by steroid administration. These methods were performed for subjects with tinnitus of cochlear pathology from 2009 to 2011 at a neurotological clinic at Chennai. After following up on 1st, 3rd and 6 months the observations were statistically analysed.  

Results: Success rate for techniques viz tympanomeatal flap was 70%, transtympanic - 63%, grommet - 50%. But when comparing statistically all the three methods were equally successful.

Conclusions: Intratympanic steroids for tinnitus (cochlear pathology) are a safe, simple and promising treatment option. Though all the methods of intra tympanic steroids injection had similar success rate, the tympanomeatal flap elevation method may be preferred since it can be done in a single sitting. However transtympanic injection remains the easiest and cost effective compared to the other two methods.


Subjective tinnitus, Cochlear pathology, Intratympanic steroids, Dexamethasone

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