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Universal newborn hearing screening in Singapore: the need, implementation and challenges
Insights
Congenital deafness, the most common birth defect, requires early detection through Universal Newborn Hearing Screening (UNHS). Timely screening and intervention are crucial for optimal child development and academic success.
Area of Science:
- Pediatrics
- Public Health
- Audiology
Background:
- Congenital deafness is the most common major birth defect, affecting 1 in 1000 newborns with severe to profound loss and 5 in 1000 with lesser degrees.
- Delayed detection and intervention negatively impact speech, language, psychosocial development, and academic achievement.
- Recommended screening by 3 months and intervention by 6 months are critical.
Purpose of the Study:
- To evaluate the effectiveness and identify challenges of Universal Newborn Hearing Screening (UNHS) implementation in Singapore.
- To highlight the importance of early detection and intervention for congenital hearing loss.
- To advocate for improved public awareness and healthcare provider support for UNHS.
Main Methods:
- Analysis of a survey on childhood hearing screening programs in Singapore.
- Comparison of screening rates between public and private hospitals.
- Assessment of factors influencing UNHS program effectiveness.
Main Results:
- Traditional screening programs in Singapore led to late detection (mean age 20.8 months) and intervention (mean age 42.4 months).
- UNHS implementation in Singapore achieved >99% screening in public hospitals but only ~77% in private hospitals.
- Parental awareness and acceptance remain barriers to early detection.
Conclusions:
- Universal Newborn Hearing Screening (UNHS) is essential for timely detection and intervention of congenital hearing loss.
- Effective UNHS programs require public education, healthcare provider support, and robust management systems.
- Early detection and intervention maximize chances for successful educational and social integration.
Abstract:
With about 1 in 1000 born with severe to profound hearing loss and about 5 in 1000 with lesser degrees of loss, congenital deafness is the commonest major birth defect. It is the recommended standard that hearing loss in newborns be detected by 3 months of age and intervention implemented by 6 months of age. Delayed detection and intervention may affect speech, language and psychosocial development, resulting in poor academic achievements. Universal newborn hearing screening (UNHS) is the only effective way of detecting all babies with hearing loss, within the recommended time frame. A survey in Singapore revealed that traditional childhood hearing screening programmes resulted in late detection (mean age, 20.8 months; range, 0 to 86 months) and late intervention (mean age, 42.4 months; range, 1 to 120 months). Increasingly, UNHS is becoming standard medical care in developed countries. In Singapore, UNHS has been implemented in all hospitals with obstetric services. Although a screening rate of more than 99% has been achieved in public hospitals, private hospitals have a screening rate of only about 77%. Parents' awareness and acceptance of early detection is still lacking, and this needs to be addressed by appropriate public education. Support from obstetricians and paediatricians will significantly contribute towards this objective. Effective programme management is essential; this includes the use of data management systems, the maintenance of a team of experienced screeners, and efficient coordination between screening and diagnostic services. Early detection of childhood deafness, together with early and effective intervention, maximises the chances of successful integration into mainstream education and society.
