Multi component tympanometry is not widely used in clinics due lack of evidence supporting its usefulness. The present study was undertaken to investigate the efficacy of multicomponent tympanometry for 1000 Hz probe tone in detecting middle ear pathology. Data were collected from 20 ears of 10 participants with no history of middle ear pathology (Group I) and 39 ears of 26 participants (Group II) with history of middle ear infection or ear-pain or blocking sensation. Single component tympanometry for 226 Hz probe tone and Susceptancec and Conductance tympanograms for 1000 Hz probe tone was carried out on all the participants. Results revealed normal tympanogram for both the probe tones for all the participants of Group I. It was observed that 53.84% of the ears could be identified as having middle ear pathology using 226 Hz probe tone whereas the percentage of correct identification increased to 94.87% when 1000 Hz probe tone was used. They are in accordance with the concept that subtle changes in the middle ear which cannot be detected by 226 Hz tympanogram can be identified using 1000 Hz multicomponent tympanogram. These findings highlight the efficiency of 1000 Hz probe tone in detecting mass dominant middle ear pathology.
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No funding was received to carry out this study.
Conflict of interest
The authors declare that they have no conflict of interest.
All the procedures performed were in accordance with the Ethical Standards. Informed consent was taken from all the rules of Ethics Committee of Bharati Medical College, Pune was followed.
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Raut, M., Vanaja, C.S. Efficacy of Multicomponent Tympanometry in Identifying Middle Ear Disorder. Indian J Otolaryngol Head Neck Surg 71, 1485–1489 (2019). https://doi.org/10.1007/s12070-018-1564-4
- Susceptance tympanogam
- Conductance tympanograms
- 1000 Hz probe tone
- Resonant frequency
- Otitis media