Audiological Assessment In Neonates And Children Suffering From Meningitis
Author(s):
Abstract:
Objective
To assess neonates and children suffering from meningitis, during the critical and recovery periods, using ABR, EOAE and Behavioral Audiometry. Method and Material: 40 neonates to 12-year-old children were assessed. Using ABR test, the hearing of these cases was evaluated during the critical period-that is, 24-72 hours following the diagnosis. This test was repeated when patients recovered from meningitis-that is 24 hours before discharge (recovery period) Hearing function, again, was assessed 7-14 days following discharge through Immittance Audiometry, Behavioral Audiometry (PTA, SF and BOA). And EOAE (TEOAE and DPOAE) tests procedures. Findings
During the critical period, ABR test revealed normal hearing in 35 patients (87.5%) and severe to profound sensorineural hearing loss (unilateral and bilateral) in 5 patients (12.5%-girl=4, boy=1). The same result were obtained in re-evaluation in the recovery period. On the other hand, 7-14 days after of discharge, Immittance Audiometry and Behavioral Audiometry (including PTA, S.F and BOA tests), confirmed the mentioned results (cross - gcheck). EOAE test (DPOAE and TEOAE) in 35 normal hearing patients (according to ABR test), showed normal cochlear function. 2 out of 5 cases suffering from severe to profound sensorineural hearing loss revealed normal cochlear function. According to EOAE results, abnormal cochlear function was evident in 3 patients. Conclusion
ABR, EOAE tests, and Behavioral Audiometry in children meningitis during the critical period and recovery period can be used to diagnose any degree of hearing loss with a high level accuracy. The results of persent study is confirmed by previous investigations.Language:
Persian
Published:
Auditory and Vestibular Research, Volume:13 Issue: 1, 2004
Page:
11
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