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Targeted surveillance for postnatal hearing loss: a program evaluation.

Abstract：

OBJECTIVE:The importance of monitoring hearing throughout early childhood cannot be understated. However, there is a lack of evidence available regarding the most effective method of monitoring hearing following the newborn screen. The goal of this study was to describe a targeted surveillance program using a risk factor registry to identify children with a postnatal hearing loss. METHODS:All children who were born in Queensland, Australia between September 2004 and December 2009, received a bilateral 'pass' on newborn hearing screening, and had at least one risk factor, were referred for targeted surveillance and were included in this study. The cohort was assessed throughout early childhood in accordance with Queensland's diagnostic assessment protocols. RESULTS:During the study period, 7320 (2.8% of 261,328) children were referred for targeted surveillance, of which 56 were identified with a postnatal hearing loss (0.77%). Of these, half (50.0%) were identified with a mild hearing loss, and 64.3% were identified with a sensorineural hearing loss. In regards to risk factors, syndrome, craniofacial anomalies, and severe asphyxia had the highest yield of positive cases of postnatal hearing loss for children referred for targeted surveillance, whereas, low birth weight, bacterial meningitis, and professional concern had a particularly low yield. Limitations of the targeted surveillance program were noted and include: (1) a lost contact rate of 32.4%; (2) delays in first surveillance assessment; (3) a large number of children who required on-going monitoring; and (4) extensive diagnostic assessments were completed on children with normal hearing. Examination of the lost contact rate revealed indigenous children were more likely to be documented as lost contact. In addition, children with one risk factor only were significantly more likely to not attend a surveillance appointment. CONCLUSIONS:Positive cases of postnatal hearing loss were detected through the targeted surveillance program. However, the limitations of the program question the usefulness of this service delivery model. For targeted surveillance to continue, time frames for assessment, assessments performed, and discharge criteria need to be revisited. The contribution of individual and combined risk factors in detecting postnatal hearing loss should also be examined in more detail.

journal_name

Int J Pediatr Otorhinolaryngol

journal_title

International journal of pediatric otorhinolaryngology

authors

Beswick R,Driscoll C,Kei J,Glennon S

doi

10.1016/j.ijporl.2012.04.004

subject

Has Abstract

pub_date

2012-07-01 00:00:00

pages

1046-56

issue

eissn

0165-5876

issn

1872-8464

pii

S0165-5876(12)00242-X

journal_volume

pub_type

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Targeted surveillance for postnatal hearing loss: a program evaluation.