Clinical significance of BERA(Brainstem Evoked Response Audiometry) in children with Sensorineural hearing loss affected by Pyogenic Meningitis and application of BERA in prognosis of hearing loss.
Journal Title: GJRA-Global Journal For Research Analysis - Year 2015, Vol 4, Issue 4
Abstract
OBJECTIVE: Sensorineural hearing loss (SNHL) is an important sequelae of acute pyogenic meningitis in children. This study was undertaken to determine the incidence of SNHL following meningitis in non-neonates and its correlation with various factors. METHODS: Children below age 6 years with ABM admitted in a teaching hospital over a period of 27 months were enrolled. Detailed history was taken, clinical examination performed and cerebrospinal fluid analyzed at commencement of therapy, 48 hours later and at the end of treatment. On discharge brainstem evoked response audiometry (BERA) was recorded. Data were analyzed using appropriate statistical tests. RESULTS: Out of 75 children enrolled, 45 (60%) developed SNHL, all bilateral, while the rest had unilateral SNHL. Among hearing impaired subjects, 22.2% had mild while 38.85% each had moderate and profound hearing loss. There was significantly higher protein content and neutrophils in the second CSF sample of those with SNHL. Age, presence of vomiting, altered sensorium seizures and aminoglycoside usage were not significantly different in those with and without SNHL, but the total duration of fever was (p<0.05). There was significantly higher protein content and neutrophils in the second CSF sample of those with SNHL. CONCLUSION: There is a greater than 50% probability of the child developing SNHL if neutrophil percentage in the second CSF is 80% or more. Since the overall risk of SNHL is significant in children with meningitis, it is recommended that BERA be recorded in all, so that early intervention may be possible.
Authors and Affiliations
Zafar Iqbal, S C Sharma, S F Hashmi
Keywords
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