Prevalence of Hearing Impairment in High Risk Infants

Ishika Vashistha1, Yogesh Aseri1, B K Singh1

  • 1Department of ENT, JLN Medical College Ajmer, Ajmer, Rajasthan India.

Insights

Early hearing screening in high-risk newborns identified a significant prevalence of hearing impairment. 15% of infants showed hearing loss, emphasizing the critical need for prompt audiological testing in infants.

Area of Science:

  • Pediatrics
  • Audiology
  • Neonatal Care

Background:

  • Hearing impairment affects a substantial portion of the population.
  • Early intervention is crucial for proper infant development.
  • High-risk newborns require targeted audiological surveillance.

Purpose of the Study:

  • To determine the prevalence of hearing impairment in high-risk infants.
  • To assess the effectiveness of early audiological testing protocols.

Main Methods:

  • Evaluated 100 newborns using evoked otoacoustic emissions (OAE) and auditory behavior (BOA).
  • Referred infants with altered results for impedance testing and medical evaluation.
  • Utilized Brainstem Auditory Evoked Potential (BAEP) testing for referred infants.

Main Results:

  • 85% of infants had hearing within normal limits.
  • 15% of infants were diagnosed with hearing impairment.
  • Of those with impairment, 7 had unilateral and 8 had bilateral hearing loss.

Conclusions:

  • A high prevalence of hearing impairment was observed in this high-risk infant cohort.
  • Early audiological testing is essential for timely diagnosis and intervention.
  • Systematic screening programs are vital for identifying hearing loss in newborns.