Efficacy of a community-based infant hearing screening program utilizing existing clinic personnel in Western Cape, South Africa

详细信息	查看全文 | 推荐本文 |

• 作者：Niki Friderichs^a ; DeWet Swanepoel^a ; ^b ; ^{dewet.swanepoel@up.ac.za} ; James W. Hall III^c ; ^a
• 关键词：IHS ; infant hearing screening ; UNHS ; universal newborn hearing screening ; EHDI ; Early Hearing Detection and Intervention ; PHC ; primary health care ; MCH ; Maternal and Child Healthcare ; ENT ; Ear ; Nose and Throat ; DPOAE ; distortion product otoacoustic emissi
• 刊名：International Journal of Pediatric Otorhinolaryngology
• 出版年：2012
• 期刊代码：135_01655876
• 类别：med
• 出版时间：April, 2012
• 卷：76
• 期：4
• 页码：552-559
• 文件大小：365 K

摘要

Objective

Screening programs at primary health care immunization clinics have been proposed as an alternative to hospital-based programs in South Africa. The objective of this study was to evaluate the first systematic community-based infant hearing screening program in a developing South African community in the Western Cape.

Methods

A community-based universal infant hearing screening program initiated at eight primary health care clinics in the Cape Metropolitan area was evaluated over a 19-month research period. During this time 6227 infants that were candidates for screening attended their 6, 10 or 14-week immunization visit at the relevant clinic. Clinic nurses were trained as screening personnel. A two-stage distortion product otoacoustic emissions screening protocol was utilized. The target disorder was uni- or bilateral hearing loss and infants referring the first screen were scheduled for a 4-week follow-up visit at the clinic. Diagnostic audiological and medical evaluations were scheduled at referral hospitals when indicated. The study evaluated the efficacy of the program based on coverage, referral and follow-up rates and diagnostic outcomes according to guidelines specified by the Health Professions Council of South Africa 2007 Position Statement.

Results

Overall coverage rate across the eight clinics was 32.4%with 2018 infants (aged 0-14 weeks) screened. The mean age of the sample at first stage screen was 3.9 weeks of age and 13.5 weeks of age for first hospital visit. Overall first stage screen referral rate was 9.5%with 62 subjects (3%) referred for diagnostic services at hospital level after a follow-up screen. The average follow-up rate for rescreens at clinic level was 85.1%and for initial diagnostic assessments at hospital level it was 91.8%. Prevalence rates were 4.5/1000 with significant hearing loss, including sensorineural (1.5/1000) and conductive (3/1000) losses, and 12.9/1000 for subjects with middle ear effusion.

Conclusions

The community-based infant hearing screening program was valuable in attaining high follow-up return rates but reaching sufficient coverage may require dedicated screening personnel as opposed to existing nursing personnel.