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Infant hearing loss: the necessity for early identification
1Dept. of Otolaryngology, Head & Neck Surgery, University of Puerto Rico Medical Sciences Campus.
Insights
Newborn infant hearing screening is essential for early detection of hearing loss. Early intervention within six months significantly improves language development, countering previous cost-effectiveness concerns.
Area of Science:
- Audiology
- Pediatrics
- Public Health
Background:
- Controversy exists regarding the necessity of universal newborn infant hearing screening.
- Current high-risk registry (HHR) methods identify only 50% of infants with permanent bilateral hearing loss.
- Barriers to screening include cost-effectiveness and lack of documented benefits for early intervention.
Purpose of the Study:
- To address the controversy surrounding newborn infant hearing screening.
- To present evidence for the economic feasibility and benefits of universal screening.
- To highlight the critical window for intervention to prevent language delays.
Main Methods:
- Review of recent technological advancements in hearing screening.
- Analysis of published data on the effectiveness and cost-efficiency of screening programs.
- Examination of the impact of early intervention on infant language acquisition.
Main Results:
- Economical well-baby hearing screening is feasible in diverse settings.
- Technological advancements support cost-effective screening implementation.
- Delayed intervention beyond six months negatively impacts language acquisition.
Conclusions:
- Universal newborn infant hearing screening is recommended.
- Early identification and intervention are crucial for optimal language development.
- Screening programs can be cost-effective and beneficial for infants.
Abstract:
There has been controversy in the health professions about the necessity for newborn infant hearing screening. It is well accepted that patient history or a birth that places the infant in the high-risk registry (HHR) can identify 50% of all infants born with permanent bilateral hearing loss. Two major factors which have been cited as reasons for not screening the well-baby nursery have been poor cost effectiveness and the lack of documentation as to the benefits derived from early identification and intervention. Recent technological developments and published data are presented which indicate that economical well-baby hearing screening can be done in any setting, and that the language acquisition of the infant is permanently affected if the intervention is not done in the first six months after birth.
