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Inicio Acta Otorrinolaringológica Española High Frequency Tympanometry (1000Hz) in Young Infants and Its Comparison With Ot...
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Vol. 67. Issue 6.
Pages 306-314 (November - December 2016)
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Vol. 67. Issue 6.
Pages 306-314 (November - December 2016)
Original article
High Frequency Tympanometry (1000Hz) in Young Infants and Its Comparison With Otoacoustic Emissions, Otomicroscopy and 226Hz Tympanometry
Timpanometría de alta frecuencia (1.000Hz) en lactantes y su comparación con otoemisiones acústicas, otomicroscopia y timpanometría de 226Hz
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Eduardo A. Mena-Domíngueza, José I. Benito-Orejasa,
Corresponding author
jibenito@ono.com

Corresponding author.
, Beatriz Ramírez-Canoa, Darío Morais-Péreza, M. Fe Muñoz-Morenob
a Servicio ORL y PCF, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
b Unidad de Apoyo a la Investigación, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
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Figures (1)
Tables (5)
Table 1. Characteristics of the Children and the Tests Undertaken.
Table 2. Results Obtained With Each of the Tests Used.
Table 3. Comparison of Positive and Negative Results Obtained From Each Test.
Table 4. Comparative Table of the Validity Criteria of Each Test.
Table 5. Positive, Negative and Unclear Results of 226Hz and 1kHz Tympanometry, According to Age.
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Abstract
Introduction and objective

In the first 6 months of life, 226Hz tympanometry is considered an ineffective procedure for the diagnosis of otitis media with effusion. With the introduction of universal hearing screening, the use of high frequency 1000Hz (1kHz) tympanometry has been recommended. To optimise the diagnosis of neonatal hearing loss, we present this comparison, from the clinical point of view, of the results of 226Hz and 1kHz tympanometry in infants.

Materials and methods

We designed a prospective study of 100 children under 9 months of age proceeding from our hearing screening programme. We compare the result of tympanometry with binocular microscopy and transient evoked otoacoustic emissions.

Results

The application of transient otoacoustic emissions, otomicroscopy and 226Hz and 1kHz tympanometry has shown its usefulness in the management of otitis media with effusion of young infants, with a similar effectiveness between the 4 tests.

Conclusion

The joint use of otomicroscopy, transient otoacoustic emissions and 226Hz and 1kHz tympanometry, has allowed us to diagnose otitis media with effusion in young infants more accurately than each test separately. We recommend initial use of 1kHz tympanometry, at least in children younger than 7 months, but in the presence of hearing loss or an unclear result, 226Hz tympanometry is a good diagnostic complement.

Keywords:
Child
Hearing loss
Otitis media
Acoustic impedance tests
Otoscopy
Microscopy
Resumen
Introducción y objetivo

La timpanometría de baja frecuencia (226Hz) se considera un procedimiento ineficaz para el diagnóstico de la otitis media serosa en los primeros 6meses de la vida. Con la implantación del cribado auditivo universal, se recomienda la utilización de la timpanometría de alta frecuencia de 1.000Hz. A fin de optimizar el diagnóstico de la hipoacusia neonatal presentamos este trabajo donde comparamos, desde el punto de vista clínico, los resultados timpanométricos de 226Hz y de 1kHz.

Material y método

Estudio prospectivo de 100 niños menores de 9 meses procedentes del cribado auditivo. Comparamos el resultado de la timpanometría con la otomicroscopia y con las otoemisiones acústicas transitorias.

Resultados

La aplicación de las otoemisiones acústicas transitorias, la otomicroscopia y la timpanometría de 226Hz y de 1kHz ha mostrado su utilidad en el manejo de la otitis media serosa del lactante, con una validez similar entre las 4 pruebas.

Conclusión

El uso conjunto de la otomicroscopia, las otoemisiones acústicas transitorias y la timpanometría de 226Hz y de 1kHz nos ha permitido diagnosticar la otitis media serosa del lactante con mayor precisión que si aplicáramos estas pruebas de forma aislada. Se aconseja utilizar inicialmente la timpanometría de 1kHz, al menos en niños menores de 7 meses, pero en presencia de hipoacusia o de un resultado confuso, la timpanometría de 226Hz es un buen complemento diagnóstico.

Palabras clave:
Niño
Pérdida auditiva
Otitis media
Pruebas de impedancia acústica
Otoscopia
Microscopia

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