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Original Article

Reliability of Slow Vertex Response Audiometry in Young Children with Sensorineural Hearing Loss

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Pages 119-124 | Published online: 07 Jul 2009
 

Abstract

In order to supplement our previous report on the reliability and validity of slow vertex response (SVR) audiometry, the detectability of the response, the agreement among scorers and test-retest reliability were studied in 6 children aged 2-4 years who have sensorineural hearing loss of 60-75 dB for the test frequency (1 000 Hz). Mean percentage of positive response increased from 20.6 to 62.2% as stimulus intensity was increased from 60 to 80 dB. Such a sharp increase in the detectability of the response at a level of stimulus intensity close to the auditory threshold of the subjects was not observed in normal children. The results indicate that SVR audiometry is more reliable and valid in children with sensorineural hearing loss than in normal children.

En complément de notre étude sur des enfants à audition normale et concernant les jugements des tracés des potentiels lents, nous avons cette fois procédé aux měmes contrO'les de jugement mais à propos de tracés effectués chez 6 enfants de 2 à 4 ans et ayant une atteinte sensori-neurale de 60 à 75 dB pour le 1 kHz (fréquence test). Contrairement à ce que nous avons noté sur des enfants à audition normale, nous avons pu observer un très rapide accroissement de la détectabilité des tracés positifs (20,6-62,2%) pour des intensités allant du seuil à 20 dB au-dessus. L'étude des potentiels lents chez les enfants à atteinte sensori-neurale nous paraiˇt done un procédé très valable en clinique.

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