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Advancing neonatal hearing screening in Latin America: Insights from pediatric otolaryngologists
Daniel Peñaranda1, Riley Hue Vo2, Tania Sih3
1Department of Otolaryngology-Head & Neck Surgery, Stanford University School of Medicine, Stanford, CA, USA.
Insights
Legislation for newborn hearing screening exists in most Latin American countries, but implementation is inconsistent, especially within the critical first month of life. Economic barriers hinder consistent application of these vital hearing health laws.
Area of Science:
- Pediatric Audiology
- Public Health Policy
- Otolaryngology
Background:
- Neonatal hearing screening is crucial for early detection and intervention of hearing loss in infants.
- Legislative measures aim to standardize and ensure universal access to newborn hearing testing.
- Latin America faces unique challenges in healthcare implementation and resource allocation.
Purpose of the Study:
- To evaluate the real-world effectiveness of laws governing newborn hearing screening in Latin America.
- To identify disparities and barriers affecting the implementation of neonatal hearing testing policies.
- To inform recommendations for improving hearing health services for newborns across the region.
Main Methods:
- An online survey distributed to the Interamerican Association of Pediatric Otorhinolaryngology (IAPO) network.
- Inquiry into legislative status, practical implementation, and identified challenges of neonatal hearing screening.
- Data collected from 89 pediatric otolaryngologists across 20 Latin American nations.
Main Results:
- 64% of respondents confirmed the existence of national laws for neonatal hearing screening.
- Over 58% reported inconsistent application of these laws in clinical practice.
- Neonatal hearing screening is not performed within the first month of life in five surveyed countries.
Conclusions:
- Despite existing legislation, significant gaps in the practical application of newborn hearing screening persist in Latin America.
- Economic factors are a primary obstacle to consistent implementation, leading to disparities in infant hearing healthcare.
- Recommendations include enhanced legislative enforcement, increased funding, improved infrastructure, professional training, and public awareness campaigns.
Objective:
To assess the real-world application of legislative measures and regulations governing newborn hearing testing in Latin America.
Methods:
An online survey was sent to the Interamerican Association of Pediatric Otorhinolaryngology (IAPO) network to investigate neonatal hearing screening practices. Twelve questions were asked about legislation, implementation, and barriers to neonatal hearing screening.
Results:
A total of 89 pediatric otolaryngologists representing 20 Latin American nations participated in this survey. The majority of respondents (64 %) indicated the existence of neonatal hearing laws within their respective countries and correctly named the specific legislation. However, it is noteworthy that over half (58 %) of pediatric ear, nose, and throat specialists reported that these laws are not consistently put into practice in their daily clinical routines. Respondents from five countries disclosed that neonatal hearing screening is not conducted within the first month of an infant's life.
Conclusions:
While the majority of Latin American nations have established legislation concerning neonatal hearing screening, its application in clinical practice is lacking due to economic obstacles. Marked disparities across Latin America persist for neonatal hearing screening. Our study provides key insights and recommendations aimed at addressing these issues, including the need for stronger legislative enforcement, increased funding, improved infrastructure, targeted professional training, and expanded public education to strengthen this vital aspect of healthcare in Latin America.

