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Bowers P, Graydon K, Rance G. Evaluation of a game-based hearing screening program for identifying hearing loss in primary school-aged children. Int J Audiol 2023; 62:512-520. [PMID: 35343856 DOI: 10.1080/14992027.2022.2052981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVES To evaluate a tablet-based hearing screening game in primary school aged children. To examine the prevalence of middle/outer ear pathology, hearing loss and spatial processing disorder in primary school aged children. DESIGN The automated hearing test Sound Scouts was used as a screening tool, which measures hearing abnormalities through tests of speech-in-quiet/noise and tone-in-noise. Children who failed the screenings underwent follow up testing with pure tone audiometry, tympanometry, otoscopy, and the Listening in Spatialised Noise-Sentences test. Results of each test were compared to measure efficacy. STUDY SAMPLE 1256 children aged 4-13 years from 8 primary schools. RESULTS 111 children (8.84%) presented with evidence of middle/outer ear pathologies. 21 children (1.67%) had hearing loss in at least one ear. 30 children (2.52%) were diagnosed with spatial processing disorder. False positive rate was 5.01%, indicating that a relatively small proportion of the children who failed the screenings were subsequently shown to have normal auditory function. CONCLUSIONS A game based program testing sound detection and binaural speech processing can be effective in detecting undiagnosed hearing deficits, in large format school-based hearing screenings. Prevalence of hearing abnormalities in Victorian primary school aged children were established, highlighting the value of school hearing screening programs.
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Affiliation(s)
- Patrick Bowers
- Department of Audiology and Speech Pathology, The University of Melbourne, Melbourne, Australia
| | - Kelley Graydon
- Department of Audiology and Speech Pathology, The University of Melbourne, Melbourne, Australia
| | - Gary Rance
- Department of Audiology and Speech Pathology, The University of Melbourne, Melbourne, Australia
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Faramarzi M, Babakhani Fard S, Bayati M, Jafarlou F, Parhizgar M, Rezaee M, Keshavarz K. Cost-effectiveness analysis of hearing screening program for primary school children in southern Iran, Shiraz. BMC Pediatr 2022; 22:318. [PMID: 35637460 PMCID: PMC9150379 DOI: 10.1186/s12887-022-03384-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 05/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hearing loss is the second most common chronic disease, the diagnosis and treatment of which can be faster through screening. In addition, early interventions will save significant costs for the education and health systems. Therefore, the present study aimed to evaluate the cost-effectiveness of hearing screening for primary school children in Shiraz. METHODS This cross-sectional economic evaluation of cost-effectiveness was conducted from the perspective of the health system. The study population comprised all seven-year-old children participating in the screening program in Shiraz. The present study dealt only with direct costs. The expected costs and outcomes, as well as the ICER index were estimated using the decision tree model. The study outcomes included averted disability-adjusted life years (DALY) and true identification of hearing loss cases. The robustness of the results was evaluated using the one-way sensitivity analysis. The TreeAge 2020 and Excel 2016 software were also used to analyze the collected data. RESULTS The hearing screening data obtained during 6 years (2015-2020) showed that every year, an average of 22,853 children in Shiraz were examined for hearing, of which 260 were true positive (%1.1). The costs of screening and lack of screening were estimated at $30.32 Purchasing Power Parity (PPP) and $13.75 PPP per child, respectively. The averted DALY due to performing hearing screening was estimated at 7 years for each child. The ICER was positive and equal to $ 0.06 PPP for the identified cases and $ 2.37 PPP per averted DALY. The sensitivity analysis confirmed the robustness of the results. CONCLUSIONS According to the results, although hearing screening for primary school children had more costs and effectiveness, it was considered cost-effective. Therefore, universal screening with high quality and accuracy is recommended.
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Affiliation(s)
- Mohammad Faramarzi
- Otolaryngology Research Center, Department of Otorhinolaryngology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sara Babakhani Fard
- Student Research Committee, School of Health Management and Information Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohsen Bayati
- Health Human Resources Research Center, Department of Health Economics, School of Health Management and Information Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Jafarlou
- Department of Audiology, School of Rehabilitation Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammadreza Parhizgar
- Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Mehdi Rezaee
- Department of Health Management, Policy and Economics, Faculty of Management and Medical Information Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Khosro Keshavarz
- Health Human Resources Research Center, Department of Health Economics, School of Health Management and Information Sciences, Shiraz University of Medical Sciences, Shiraz, Iran. .,Emergency Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
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Sahli AS. Age at onset of training in children with hearing and speech disorders and the analysis of related factors in Turkey. Ital J Pediatr 2019; 45:124. [PMID: 31615557 PMCID: PMC6794910 DOI: 10.1186/s13052-019-0723-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 09/23/2019] [Indexed: 11/10/2022] Open
Abstract
Background Early diagnosis and intervention play a vital role in hearing and speech disorders and the effect of intervention varies according to the age at onset of training of children with such disorders. Aim of this study is to investigate the age at onset of training in children admitted to our center with complaints of hearing and speech disorder, and the related factors. Methods In the first phase of the study, data of 473 children admitted to our center between January 2015 and October 2018 with complaints of hearing and speech disorders and no additional disability were retrospectively analyzed. Then, their chronological age, gender, cause of admission, age at onset of training and the effect of factors that may have an impact on the age at onset of training were analyzed statistically. Study data were obtained from patient records. Results Of 473 children (350 males and 123 females) admitted to our training center with the complaints of hearing and speech disorders, 252 (53.3%) were presented with speech sound disorders, 90 (19.0%) with stuttering, 87 (18.4%) with delayed speech, 32 (6.8%) with hearing loss and 12 (2.5%) with other causes. Although there was a statistically significant difference between the age at onset of training and the factors; such as cause of admission, parental education level, employment status of the mother, occupation of the father, and socioeconomic status of the family (p < 0.05), no statistically significant difference was found between the age at onset of training and gender (p > 0.05). Conclusions The study revealed that children with hearing loss have the chance of early diagnosis thanks to neonatal hearing screening programs and that they commence their training until the age of 2, which is considered to be a critical period for language and speech development. However, it is an undeniable fact that we have not yet reached the ideal age for the commencement of training (6th month). Similarly, the age of diagnosis and initiation of training is delayed in children with speech disorders due to families’ delayed referral to the training centers.
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Affiliation(s)
- Ayse Sanem Sahli
- Vocational School of Health Services, Hearing and Speech Training Center, Hacettepe University, 06100, Sıhhiye, Ankara, Turkey.
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Schmulian D, Lind C. Parental experiences of the diagnosis of permanent childhood hearing loss: a phenomenological study. Int J Audiol 2019; 59:54-60. [PMID: 31566461 DOI: 10.1080/14992027.2019.1670364] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Objective: The objective of the study was to discover the nature of parental lived experiences of the diagnostic process of Permanent Childhood Hearing Loss (PCHL) and to construct an emotional life-world of parent experience around PCHL.Design: Through an Interpretive Phenomenological Analytical (IPA) framework and subsequent purposive sampling, parents were invited to semi-structured interviews.Sample: Ten parents of children who were identified with PCHL as one or the only permanent childhood disability diagnosed during early childhood were interviewed.Results: Five themes emerged; (a) a received disability, (b) casualties, (c) acceptance in real-time, (d) the unique signature of family life, and (e) audiologists are essential and appreciated guides. The emotional landscape chronicled two concurrent, non-linear affective groupings: the spiral of disorientation, and protective states of righting.Conclusion: Parents require a level of emotional support that exceeds frameworks of counselling. We propose the Dual Process Model as an intermediary model of emotional literacy to address both grieving and coping during the passage from diagnosis to early management. We believe it provides an effortless articulation with the principles of Family-Centred Care philosophies (top down) and behaviours (bottom up) by providing a taxonomy of grieving, coping and parents' movement between the two orientations.
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Affiliation(s)
- Dunay Schmulian
- Division of Audiology, School of Health and Rehabilitative Sciences, The University of Queensland, Brisbane, Australia
| | - Christopher Lind
- College of Nursing and Health Sciences, Flinders University, Adelaide, Australia
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Abstract
Hearing loss is the most common congenital defect. With early diagnosis and intervention, we are able to improve speech and language outcomes in this population. In this article, we discuss the implications of the newborn hearing screen, as well as diagnostic interventions, management, and intervention, and the increasing role of congenital cytomegalovirus screening.
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Affiliation(s)
- Kavita Dedhia
- Department of Pediatric Otolaryngology, Emory University, 2015 Uppergate Drive, Atlanta, GA 30324, USA.
| | - Elise Graham
- Department of Pediatric Otolaryngology, University of Utah, 100 North Mario Capercchi Drive, Salt Lake City, UT 84113, USA
| | - Albert Park
- Department of Pediatric Otolaryngology, University of Utah, 100 North Mario Capercchi Drive, Salt Lake City, UT 84113, USA
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Prevalence of Hearing Loss Among a Representative Sample of Canadian Children and Adolescents, 3 to 19 Years of Age. Ear Hear 2018; 38:7-20. [PMID: 27556530 PMCID: PMC5181131 DOI: 10.1097/aud.0000000000000345] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Supplemental Digital Content is available in the text. Objectives: There are no nationally representative hearing loss (HL) prevalence data available for Canadian youth using direct measurements. The present study objectives were to estimate national prevalence of HL using audiometric pure-tone thresholds (0.5 to 8 kHz) and or distortion product otoacoustic emissions (DPOAEs) for children and adolescents, aged 3 to 19 years. Design: This cross-sectional population-based study presents findings from the 2012/2013 Canadian Health Measures Survey, entailing an in-person household interview and hearing measurements conducted in a mobile examination clinic. The initial study sample included 2591 participants, aged 3 to 19 years, representing 6.5 million Canadians (3.3 million males). After exclusions, subsamples consisted of 2434 participants, aged 3 to 19 years and 1879 participants, aged 6 to 19 years, with valid audiometric results. Eligible participants underwent otoscopic examination, tympanometry, DPOAE, and audiometry. HL was defined as a pure-tone average >20 dB for 6- to 18-year olds and ≥26 dB for 19-year olds, for one or more of the following: four-frequency (0.5, 1, 2, and 4 kHz) pure-tone average, high-frequency (3, 4, 6, and 8 kHz) pure-tone average, and low-frequency (0.5, 1, and 2 kHz) pure-tone average. Mild HL was defined as >20 to 40 dB (6- to 18-year olds) and ≥26 to 40 dB (19-year olds). Moderate or worse HL was defined as >40 dB (6- to 19-year olds). HL in 3- to 5-year olds (n = 555) was defined as absent DPOAEs as audiometry was not conducted. Self-reported HL was evaluated using the Health Utilities Index Mark 3 hearing questions. Results: The primary study outcome indicates that 7.7% of Canadian youth, aged 6 to 19, had any HL, for one or more pure-tone average. Four-frequency pure-tone average and high-frequency pure-tone average HL prevalence was 4.7 and 6.0%, respectively, whereas 5.8% had a low-frequency pure-tone average HL. Significantly more children/adolescents had unilateral HL. Mild HL was significantly more common than moderate or worse HL for each pure-tone average. Among Canadians, aged 6 to 19, less than 2.2% had sensorineural HL. Among Canadians, aged 3 to 19, less than 3.5% had conductive HL. Absent DPOAEs were found in 7.1E% of 3- to 5-year olds, and in 3.4E% of 6- to 19-year olds. Among participants eligible for the hearing evaluation and excluding missing data cases (n = 2575), 17.0% had excessive or impacted pus/wax in one or both ears. Self-reported HL in Canadians, aged 6 to 19, was 0.6 E% and 65.3% (aged 3 to 19) reported never having had their hearing tested. E indicates that a high sampling variability is associated with the estimate (coefficient of variation between 16.6% and 33.3%) and should be interpreted with caution. Conclusions: This study provides the first estimates of audiometrically measured HL prevalence among Canadian children and adolescents. A larger proportion of youth have measured HL than was previously reported using self-report surveys, indicating that screening using self-report or proxy may not be effective in identifying individuals with mild HL. Results may underestimate the true prevalence of HL due to the large number excluded and the presentation of impacted or excessive earwax or pus, precluding an accurate or complete hearing evaluation. The majority of 3- to 5-year olds with absent DPOAEs likely had conductive HL. Nonetheless, this type of HL which can be asymptomatic, may become permanent if left untreated. Future research will benefit from analyses, which includes the slight HL category, for which there is growing support, and from studies that identify factors contributing to HL in this population.
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Dumanch KA, Holte L, O'Hollearn T, Walker E, Clark J, Oleson J. High Risk Factors Associated With Early Childhood Hearing Loss: A 3-Year Review. Am J Audiol 2017; 26:129-142. [PMID: 28475714 DOI: 10.1044/2017_aja-16-0116] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 01/12/2017] [Indexed: 11/09/2022] Open
Abstract
PURPOSE In this study, we examined the association between risk factors for hearing loss and early childhood hearing status (normal hearing, congenital hearing loss, or delayed-onset hearing loss). Follow-up rates of audiologic care following passed or referred birth screens for children with risk factors were also examined. METHOD A retrospective data review was completed on 115,039 children born from 2010 to 2012. Data analyses included prevalence rates, odds ratios, and Fisher exact tests of statistical significance. RESULTS Ninety percent of children were born with no risk factors for hearing loss; of those, 99.9% demonstrated normal hearing by 3 years of age. Of the 10% of children born with risk factors, 96.3% demonstrated normal hearing by age 3, 1.4% presented with congenital hearing loss, and 2.3% demonstrated permanent hearing loss by age 3. Factors that placed children at the highest risk of congenital hearing impairment were neurodegenerative disorders, syndromes, and congenital infections. Factors that placed children at the highest risk of developing permanent postnatal hearing loss were congenital cytomegalovirus, syndromes, and craniofacial anomalies. CONCLUSIONS Certain risk factors place a child at significantly greater risk of congenital hearing impairment or developing permanent hearing loss by age 3. Follow-up diagnostic testing should remain a priority for children with certain risk factors for hearing loss.
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Affiliation(s)
- Kelsey A. Dumanch
- Department of Communication Sciences and Disorders, University of Iowa, Iowa City
| | - Lenore Holte
- Department of Communication Sciences and Disorders, University of Iowa, Iowa City
- Center for Disabilities and Development, University of Iowa, Iowa City
| | | | - Elizabeth Walker
- Department of Communication Sciences and Disorders, University of Iowa, Iowa City
| | - Jacob Clark
- College of Public Health, University of Iowa, Iowa City
| | - Jacob Oleson
- College of Public Health, University of Iowa, Iowa City
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Abstract
OBJECTIVE Identify variables associated with paediatric access to cochlear implants (CIs). DESIGN Part 1. Trends over time for age at CI surgery (N = 802) and age at hearing aid (HA) fitting (n = 487) were examined with regard to periods before, during, and after newborn hearing screening (NHS). Part 2. Demographic factors were explored for 417 children implanted under 3 years of age. Part 3. Pre-implant steps for the first 20 children to receive CIs under 12 months were examined. RESULTS Part 1. Age at HA fitting and CI surgery reduced over time, and were associated with NHS implementation. Part 2. For children implanted under 3 years, earlier age at HA fitting and higher family socio-economic status were associated with earlier CI. Progressive hearing loss was associated with later CIs. Children with a Connexin 26 diagnosis received CIs earlier than children with a premature / low birth weight history. Part 3. The longest pre-CI steps were Step 1: Birth to diagnosis/identification of hearing loss (mean 16.43 weeks), and Step 11: MRI scans to implant surgery (mean 15.05 weeks) for the first 20 infants with CIs under 12 months. CONCLUSION NHS implementation was associated with reductions in age at device intervention in this cohort.
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Affiliation(s)
- Shani Dettman
- a The University of Melbourne, Department of Audiology and Speech Pathology , Parkville, Victoria , Australia ;,b The Royal Victorian Eye and Ear Hospital , East Melbourne, Victoria , Australia ;,c The HEARing CRC , Carlton, Victoria , Australia
| | - Dawn Choo
- a The University of Melbourne, Department of Audiology and Speech Pathology , Parkville, Victoria , Australia ;,b The Royal Victorian Eye and Ear Hospital , East Melbourne, Victoria , Australia ;,c The HEARing CRC , Carlton, Victoria , Australia
| | - Richard Dowell
- a The University of Melbourne, Department of Audiology and Speech Pathology , Parkville, Victoria , Australia ;,b The Royal Victorian Eye and Ear Hospital , East Melbourne, Victoria , Australia ;,c The HEARing CRC , Carlton, Victoria , Australia
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Wake M, Ching TY, Wirth K, Poulakis Z, Mensah FK, Gold L, King A, Bryson HE, Reilly S, Rickards F. Population Outcomes of Three Approaches to Detection of Congenital Hearing Loss. Pediatrics 2016; 137:peds.2015-1722. [PMID: 26704085 PMCID: PMC4702017 DOI: 10.1542/peds.2015-1722] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/20/2015] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Universal newborn hearing screening was implemented worldwide largely on modeled, not measured, long-term benefits. Comparative quantification of population benefits would justify its high cost. METHODS Natural experiment comparing 3 population approaches to detecting bilateral congenital hearing loss (>25 dB, better ear) in Australian states with similar demographics and services: (1) universal newborn hearing screening, New South Wales 2003-2005, n = 69; (2) Risk factor screening (neonatal intensive care screening + universal risk factor referral), Victoria 2003-2005, n = 65; and (3) largely opportunistic detection, Victoria 1991-1993, n = 86. Children in (1) and (2) were followed at age 5 to 6 years and in (3) at 7 to 8 years. Outcomes were compared between states using adjusted linear regression. RESULTS Children were diagnosed younger with universal than risk factor screening (adjusted mean difference -8.0 months, 95% confidence interval -12.3 to -3.7). For children without intellectual disability, moving from opportunistic to risk factor to universal screening incrementally improved age of diagnosis (22.5 vs 16.2 vs 8.1 months, P < .001), receptive (81.8 vs 83.0 vs 88.9, P = .05) and expressive (74.9 vs 80.7 vs 89.3, P < .001) language and receptive vocabulary (79.4 vs 83.8 vs 91.5, P < .001); these nonetheless remained well short of cognition (mean 103.4, SD 15.2). Behavior and health-related quality of life were unaffected. CONCLUSIONS With new randomized trials unlikely, this may represent the most definitive population-based evidence supporting universal newborn hearing screening. Although outperforming risk factor screening, school entry language still lagged cognitive abilities by nearly a SD. Prompt intervention and efficacy research are needed for children to reach their potential.
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Affiliation(s)
- Melissa Wake
- Murdoch Childrens Research Institute, Parkville, Australia; Royal Children's Hospital, Parkville, Australia; The University of Melbourne, Parkville, Australia;
| | - Teresa Y.C. Ching
- National Acoustic Laboratories, Australian Hearing, North Ryde, Australia;,The HEARing Cooperative Research Centre, The University of Melbourne, Parkville, Australia
| | - Karen Wirth
- Murdoch Childrens Research Institute, Parkville, Australia
| | - Zeffie Poulakis
- Murdoch Childrens Research Institute, Parkville, Australia;,Royal Children’s Hospital, Parkville, Australia
| | - Fiona K. Mensah
- Murdoch Childrens Research Institute, Parkville, Australia;,Royal Children’s Hospital, Parkville, Australia;,The University of Melbourne, Parkville, Australia
| | - Lisa Gold
- Deakin Health Economics, Deakin University, Burwood, Australia; and
| | | | | | - Sheena Reilly
- Murdoch Childrens Research Institute, Parkville, Australia;,Royal Children’s Hospital, Parkville, Australia;,The University of Melbourne, Parkville, Australia
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Barker MJ, Hughes EK, Wake M. NICU-only versus universal screening for newborn hearing loss: Population audit. J Paediatr Child Health 2013; 49:E74-9. [PMID: 22530839 DOI: 10.1111/j.1440-1754.2012.02472.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM Targeted newborn hearing screening for infants in neonatal intensive care units (NICUs) may be considered when resources preclude universal newborn hearing screening (UNHS). However, process outcomes have not been compared between stand-alone NICU hearing screening programs and NICU screening within a full UNHS program. METHODS Comparison of two consecutive hearing screening programs delivered under similar conditions in the four NICUs in Victoria, Australia. All NICU infants were eligible for pre-discharge automated auditory brainstem response (AABR) hearing screening. Capture, referral and diagnostic data were collected for all NICU infants during the NICU-only (April 2003-February 2005) and subsequent UNHS (April 2005-June 2006) programs. RESULTS 4704 eligible infants were admitted during the 23-month NICU-only period, and 3160 during the 15-month UNHS period. Double AABR using ALGO 3i equipment was planned for both programs but, due to clinician concern about this high-risk clinical population, the NICU-only protocol was amended to single AABR using AccuScreen equipment. Capture rates were 71.1% (NICU-only) vs. 95.4% (UNHS) (P < 0.001), successful follow-up rates were 85.8% vs. 96% (P= 0.004), and mean corrected age at the first audiology appointment was 51.5 vs. 40.2 days (P= 0.05). CONCLUSIONS NICU screening offered within a larger UNHS program outperformed the stand-alone NICU hearing screening program on all measured parameters. Greater resourcing might address shortcomings of the stand-alone program but would also reduce its potential savings. The high loss to follow-up also argues against the often-advocated approach of referring all NICU infants for diagnostic audiologic testing, bypassing hearing screening altogether.
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Affiliation(s)
- Melinda J Barker
- Centre for Community Child Health, Royal Children's Hospital, Parkville, Victoria, Australia
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Thakre SB, Thakre SS, Alone S. Qualitative analysis of parents' experience of hearing loss of their school going children of a rural area of Nagpur. JOURNAL OF RESEARCH IN MEDICAL SCIENCES : THE OFFICIAL JOURNAL OF ISFAHAN UNIVERSITY OF MEDICAL SCIENCES 2012; 17:764-71. [PMID: 23798944 PMCID: PMC3687884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 06/17/2012] [Accepted: 06/19/2012] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Qualitative research methods provide a means of collecting and interpreting narrative or observational data about such interactions, leading to a deeper understanding of the process of health care delivery. This approach was used to clarify key themes from parents' comments about challenges on paths to detect hearing impairment. MATERIALS AND METHODS An exploratory descriptive qualitative research design is used. In-depth interviews by using a semi-structured questionnaire and focus group discussions (FGD) were held with parents, and other study groups. A study was conducted in Deaf Dum Rural School, Saoner, Nagpur district, Maharashtra, India. Purposive voluntary sampling is utilized. Semi-structured and in-depth interviews and FGD were conducted in private rooms. A FGD guide covered open-ended comments to the set of questions. RESULTS Parents of 65 children (59%) replied to the questionnaire. Out of them, 55 (85.6%) were the parents of school children resides in the hostel. The majority of the children have profound hearing impairment (75.86%). Theme analysis revealed perceptions about causes, ways, and means of early detection, and powerful emotions experienced by parents at FGD. CONCLUSIONS Reaching beyond numerical analyses, qualitative studies allow for expression of junior doctors, Deaf and Dump School teacher and parents' thoughts, feelings, and experiences. This study provides a means of collecting and interpreting narrative or observational data.
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Affiliation(s)
- Subhash B. Thakre
- Preventive and Social Medicine, Government Medical College, Nagpur, Maharashtra, India
| | - Sushama S. Thakre
- Preventive and Social Medicine, Indira Gandhi Government Medical College, Nagpur, Maharashtra, India,Address for correspondence: Dr. Sushama Bapuraoji Thakre, Plot. no. 9, Swami Swarupanand Society, Narendra Nagar, Nagpur 15, Maharashtra, India. E-mail:
| | - Swapnil Alone
- Rural Health and Training Centre, Preventive and Social Medicine, Government Medical College, Nagpur, Maharashtra, India
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Colgan S, Gold L, Wirth K, Ching T, Poulakis Z, Rickards F, Wake M. The cost-effectiveness of universal newborn screening for bilateral permanent congenital hearing impairment: systematic review. Acad Pediatr 2012; 12:171-80. [PMID: 22583631 PMCID: PMC3600428 DOI: 10.1016/j.acap.2012.02.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2011] [Revised: 02/11/2012] [Accepted: 02/18/2012] [Indexed: 10/28/2022]
Abstract
OBJECTIVE Universal newborn hearing screening for bilateral permanent congenital hearing impairment is standard practice in many developed economies, but until there is clear evidence of cost-effectiveness, it remains a controversial use of limited health care resources. We conducted a formal systematic review of studies of newborn hearing screening that considered both costs and outcomes to produce a summary of the available evidence and to determine whether there was a need for further research. METHODS A search was conducted of medical and nursing databases and gray literature websites by the use of multiple keywords. The titles and abstracts of studies were examined for preliminary inclusion if reference was made to newborn hearing screening, and to both costs and outcomes. Studies of potential relevance were independently assessed by 2 health economists for final inclusion in the review. Studies that met inclusion criteria were appraised by the use of existing guidelines for observational studies, economic evaluations and decision analytic models, and reported in a narrative literature review. RESULTS There were 22 distinct observational or modeled evaluations of which only 2 clearly compared universal newborn hearing screening to risk factor screening for bilateral permanent congenital hearing impairment. Of these, the single evaluation that examined long-term costs and outcomes found that universal newborn hearing screening could be cost-saving if early intervention led to a substantial reduction in future treatment costs and productivity losses. CONCLUSIONS There are only a small number of economic evaluations that have examined the long-term cost-effectiveness of universal newborn hearing screening. This is partly attributable to ongoing uncertainty about the benefits gained from the early detection and treatment of bilateral permanent congenital hearing impairment. There is a clear need for further research on long-term costs and outcomes to establish the cost-effectiveness of universal newborn hearing screening in relation to other approaches to screening, and to establish whether it is a good long term investment.
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Affiliation(s)
- Stephen Colgan
- Deakin Health Economics, Deakin University, Burwood, Victoria, Australia.
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Shulman S, Besculides M, Saltzman A, Ireys H, White KR, Forsman I. Evaluation of the universal newborn hearing screening and intervention program. Pediatrics 2010; 126 Suppl 1:S19-27. [PMID: 20679316 DOI: 10.1542/peds.2010-0354f] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
During the last 20 years, the number of infants evaluated for permanent hearing loss at birth has increased dramatically with universal newborn hearing screening and intervention (UNHSI) programs operating in all US states and many territories. One of the most urgent challenges of UNHSI programs involves loss to follow-up among families whose infants screen positive for hearing loss. We surveyed 55 state and territorial UNHSI programs and conducted site visits with 8 state programs to evaluate progress in reaching program goals and to identify barriers to successful follow-up. We conclude that programs have made great strides in screening infants for hearing loss, but barriers to linking families of infants who do not pass the screening to further follow-up remain. We identified 4 areas in which there were barriers to follow-up (lack of service-system capacity, lack of provider knowledge, challenges to families in obtaining services, and information gaps), as well as successful strategies used by some states to address barriers within each of these areas. We also identified 5 key areas for future program improvements: (1) improving data systems to support surveillance and follow-up activities; (2) ensuring that all infants have a medical home; (3) building capacity beyond identified providers; (4) developing family support services; and (5) promoting the importance of early detection.
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Affiliation(s)
- Shanna Shulman
- Blue Cross Blue Shield of Massachusetts Foundation, Boston, Massachusetts, USA
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Slight-Mild Sensorineural Hearing Loss in Children: Audiometric, Clinical, and Risk Factor Profiles. Ear Hear 2010; 31:202-12. [DOI: 10.1097/aud.0b013e3181c62263] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Calevo MG, Mezzano P, Zullino E, Padovani P, Scopesi F, Serra G. Neonatal hearing screening model: An Italian regional experience. J Matern Fetal Neonatal Med 2009; 20:441-8. [PMID: 17674253 DOI: 10.1080/14767050701398090] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To produce a model for routine centralized hearing screening including all aspects of the screening, from diagnosis to psychological counseling and early rehabilitation. METHODS A prospective observational study on a geographically defined pediatric population (Liguria region, northwestern Italy) and data collection in a data bank. The model proposed was created for the audiological screening of all newborns of the Liguria region. The model includes four phases: (1) preliminary identification of contractual, administrative, legal aspects; (2) screening for identification of congenital hearing impairment; (3) therapy and rehabilitation of identified subjects and genetic analysis; (4) epidemiology, data management, and workload management. To test the feasibility of the model proposed and to establish the workload required according to the resources available in the regional health plan, we performed a pilot study on all infants born in four of the 13 regional birth centers of Liguria region from 1 April 2001 to 30 September 2001. RESULTS Out of the 3268 newborns enrolled during the 6-month pilot study, 3238 (99.1%) were screened with otoacoustic emissions (OAE), while screening was refused in 30 newborns (0.9%). OAE resulted in a 'pass' for 3180 newborns (98.2%) and a 'refer' in 58 (1.8%). The standard auditory brainstem response (ABR) test was performed in 156 newborns, 58 of them as a result of the 'refer' at the second OAE and 98 others at audiological risk. Results were positive or uncertain at first ABR in 45 patients. Workload was calculated on the basis of the data obtained in the pilot study to allocate financial and organizational resources. CONCLUSIONS The results of the pilot study allowed project planning. We think that the screening model proposed is an example of how a regional organization can deliver improved quality care through a rationalization and optimization process.
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Affiliation(s)
- M G Calevo
- Epidemiology and Biostatistics Service, G. Gaslini Institute, Genoa, Italy.
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Russ SA, Poulakis Z, Barker M, Wake M, Rickards F, Saunders K, Oberklaid F. Epidemiology of congenital hearing loss in Victoria, Australia: Epidemiología de la hipoacusia congénita en Victoria, Australia. Int J Audiol 2009; 42:385-90. [PMID: 14582634 DOI: 10.3109/14992020309080047] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The aim of this study was to report the incidence, prevalence and clinical characteristics of congenital hearing loss sufficient to require hearing aid fitting in the first 6 years of life for the 1993 birth cohort of the state of Victoria (population 4.4 million), Australia. In 1993, 64,116 infants born in the state of Victoria survived the neonatal period. Subjects included all children with congenital hearing loss for which hearing aids were fitted, at any time up to and including 31 December 1999, when the youngest member of the cohort reached 6 years of age. Data on the degree, type and etiology of hearing loss were available from the Australian Hearing database for all subjects. Sociodemographic and health data were available from the Victorian Infant Hearing Screening Program (VIHSP) and parent questionnaires. The known prevalence of identified congenital hearing loss increased as the cohort aged. By the time the youngest member had reached the age of 6 years, 134 children (78 boys, 56 girls) had been fitted with hearing aids for permanent congenital hearing loss of any degree (2.09/1000). Fifty-four (40%) of these had known mild losses (20-40 dB HL). The prevalence of known moderate or greater loss (> 40 dB HL) was 1.12/1000; the data suggest that over 90% could have been detectable by neonatal hearing screening. A further seven children from the birth cohort were fitted with hearing aids due to acquired forms of hearing loss (0.11/1000). The etiology was known in only 57 (43%) congenital cases, with known non-syndromal genetic causes accounting for 21 (37%) of these. This study reports on the prevalence of congenital hearing loss requiring hearing aid fitting for an entire birth cohort. These data indicate the possible yield from neonatal screening, and hence the likely benefit of such screening. For a large proportion of cases, the etiology remains unknown. These data have implications for health service delivery and illustrate the usefulness of a population database in monitoring the prevalence of congenital hearing loss.
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Affiliation(s)
- Shirley A Russ
- Centre for Community Child Health, Royal Children's Hospital, Parkville, Victoria, Australia
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Dauman R, Roussey M, Belot V, Denoyelle F, Roman S, Gavilan-Cellié I, Ruzza-Surroca I, Calmels MN, Lina-Granade G, Houssin E, Charlemagne A, Garabedian N. Screening to detect permanent childhood hearing impairment in neonates transferred from the newborn nursery. Int J Pediatr Otorhinolaryngol 2009; 73:457-65. [PMID: 19136157 DOI: 10.1016/j.ijporl.2008.12.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2008] [Revised: 12/02/2008] [Accepted: 12/02/2008] [Indexed: 11/18/2022]
Abstract
OBJECTIVES The focus of this report is hearing screening of newborns transferred from the regular nursery to a specialized area. The purpose of the study undertaken was: (1) to determine whether screening coverage in this population was achieved; (2) to establish whether the linkage between neonatal screening and the diagnostic follow-up was carried out correctly; (3) to better determine the incidence of permanent childhood hearing impairment (PCHI) in this at-risk population. METHODS Six population centres averaging 12,000 births annually participated (Bordeaux, Lille, Paris, Marseille, Toulouse and Lyon). Automated auditory brainstem response (AABR) (Natus ALGO 3i) screening was performed in two stages: i.e. infants with initial "positive" results were screened a second time using the same technique. Of the 117,103 babies born during the study period, 4972 neonates were "transferred" and comprised the population for this report (4.2% of the total births). RESULTS AND DISCUSSION Screening results for 4972 "transferred" neonates were compared with those of non-transferred neonates (N=112,131). Screening coverage of eligible infants was significantly lower (75.4%) in "transferred" neonates (3750 infants screened) compared to 97.5% coverage of non-transferred neonates (109,349 infants screened). The rate of positive results after the first stage AABR was higher in the "transferred" population (11.1%) than in the non-transferred population (6.5%). Of the 415 "transferred" newborns with initial positive screens, 91.3% were rechecked as stipulated in the project protocol. The second pre-discharge AABR ascertained that in half of the cases auditory function had normalized in the day. Of the 183 "transferred" infants whose result remained suspect at the conclusion of both stages of the neonatal screen (4.9% of the tested population), only 70.5% returned to the audiology centre for diagnostic follow-up. The incidence of bilateral PCHI was markedly higher (4/1000) in "transferred" infants than in the non-transferred population (1.08/1000). CONCLUSIONS The difficulty of obtaining universal screening coverage in "transferred" infants was, unfortunately, verified in this prospective, multicentre study. Further, the diversity of our "transferred" population was not much greater than that revealed by careful analysis of published hearing screening studies in neonatal intensive care unit (NICU) infants. The influence of risk factors and their more or less complex combinations is apparent.
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Affiliation(s)
- René Dauman
- CHU de Bordeaux, Université de Bordeaux, Service ORL, Unité médicale d'Audiologie, 33076 Bordeaux, France.
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Howell P, Onslow M, Packman A, Wake M, Bavin EL, Prior M, Eadie P, Cini E, Bolzonello C, Ukoumunne OC. Predicting stuttering onset by the age of 3 years: a prospective, community cohort study. Pediatrics 2009; 123:270-7. [PMID: 19117892 PMCID: PMC3879585 DOI: 10.1542/peds.2007-3219] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES Our goals were to document (1) the onset of stuttering and (2) whether specific child, family, or environmental factors predict stuttering onset in children aged up to 3 years. METHODS Participants included a community-ascertained cohort of 1619 2-year-old Australian children recruited at 8 months of age to study the longitudinal development of early language. The main outcome measure was parental telephone report of stuttering onset, verified by face-to-face expert diagnosis. Preonset continuous measures of the child's temperament (approach/withdrawal) and language development were available. Information on a range of predictor measures hypothesized to be associated with stuttering onset was obtained (maternal mental health and education levels, gender, premature birth status, birth weight, birth order, twinning, socioeconomic status, family history of stuttering). RESULTS By 3 years of age, the cumulative incidence of stuttering onset was 8.5%. Onset often occurred suddenly over 1 to 3 days (49.6%) and involved the use of word combinations (97.1%). Children who stuttered were not more shy or withdrawn. Male gender, twin birth status, higher vocabulary scores at 2 years of age, and high maternal education were associated with stuttering onset. The multivariable model, however, had low predictive strength; just 3.7% of the total variation in stuttering onset was accounted for. CONCLUSIONS The cumulative incidence of stuttering onset was much higher than reported previously. The hypothesized risk factors for stuttering onset together explained little of the variation in stuttering onset up to 3 years of age. Early onset was not associated with language delay, social and environmental factors, or preonset shyness/withdrawal. Health professionals can reassure parents that onset is not unusual up to 3 years of age and seems to be associated with rapid growth in language development.
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Cristobal R, Oghalai JS. Hearing loss in children with very low birth weight: current review of epidemiology and pathophysiology. Arch Dis Child Fetal Neonatal Ed 2008; 93:F462-8. [PMID: 18941031 PMCID: PMC3597102 DOI: 10.1136/adc.2007.124214] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An association between birth weight <1500 g (very low birth weight (VLBW)) and hearing loss has been long recognised. As universal hearing screening programmes have become widely implemented and the survival rate of VLBW babies in modern intensive care units has increased, we have gained a substantially better understanding of the nature of this problem. However, many gaps in our knowledge base exist. This review describes recent data on hearing loss in the VLBW population and explains the current level of understanding about the physiological basis underlying the auditory deficits in these patients. Although VLBW alone may not have a severe impact on hearing, it is commonly associated with multiple other risk factors that can alter hearing in a synergistic fashion. Therefore, the risk of hearing loss is substantially higher than in the general newborn population. Also, it is important to perform a more comprehensive audiometric evaluation than standard otoacoustic emission screening for infants who are in the neonatal intensive care unit in order not to miss hearing loss due to retrocochlear pathology. Furthermore, children with VLBW are also at increased risk of experiencing progressive or delayed-onset hearing loss, and thus should continue to have serial hearing evaluations after discharge from the neonatal intensive care unit.
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Affiliation(s)
- R Cristobal
- Bobby R Alford Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - J S Oghalai
- Bobby R Alford Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, Houston, Texas, USA,The Hearing Center at Texas Children’s Hospital, Houston, Texas, USA,Department of Neuroscience, Baylor College of Medicine, Houston, Texas, USA,Department of Bioengineering, Rice University, Houston, Texas, USA
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The Need for Standardization of Methods for Worldwide Infant Hearing Screening: A Systematic Review. Laryngoscope 2008; 118:1830-6. [DOI: 10.1097/mlg.0b013e31817d755e] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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À propos de l’avis du Comité consultatif national d’éthique sur le dépistage néonatal des enfants sourds. Arch Pediatr 2008; 15:1039-41. [DOI: 10.1016/j.arcped.2008.02.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2008] [Accepted: 02/29/2008] [Indexed: 11/19/2022]
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Calevo MG, Mezzano P, Zullino E, Padovani P, Serra G. Ligurian experience on neonatal hearing screening: clinical and epidemiological aspects. Acta Paediatr 2007; 96:1592-9. [PMID: 17937684 DOI: 10.1111/j.1651-2227.2007.00475.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM Early identification and rehabilitation of newborns with congenital hearing impairment (HI) by Universal Neonatal Hearing Screening (UNHS). METHODS The neonatal population was divided into two groups: babies with No Audiological Risk (NAR), and babies With Audiological Risk (WAR). NAR neonates underwent OAE testing, and in case of a doubtful (Refer) result, ABR testing was carried out. All WAR newborns underwent ABR testing within the third month of life. RESULTS Between February 1, 2002 and December 31, 2004, UNHS was carried out on 32 502 newborns at the 13 regional birth centres, representing 98.7% of the whole regional neonatal population. The prevalence of HI in the population we tested was estimated at about 1 per thousand, while Bilateral Hearing Impairment (BHI) was estimated at 0.65 per thousand. A 3.7% prevalence of HI and a 2.8% prevalence of BHI was observed among the WAR population. Median age at the end of the diagnostic procedures was 6.7 months in the WAR population and 6.9 months in the NAR population. CONCLUSIONS Our project is based on two levels of testing, which resulted in a 0.28% false-positive rate with 100% sensitivity and 99% specificity. Our screening is the first Italian experience that has been extended to a whole region and the results prove that regional neonatal hearing screening is feasible.
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Affiliation(s)
- M G Calevo
- Epidemiology and Biostatistics Service, Scientific Directorate, G. Gaslini Institute, Largo G. Gaslini 5, 16147 Genoa, Italy.
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Ching TY, Oong R, Wanrooy EV. The Ages of Intervention in Regions With and Without Universal Newborn Hearing Screening and Prevalence of Childhood Hearing Impairment in Australia. ACTA ACUST UNITED AC 2006. [DOI: 10.1375/audi.28.2.137] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Russ SA, Poulakis Z, Wake M, Barker M, Rickards F, Jarman FC, Saunders K, Edwards G, Symons L, Oberklaid F. The distraction test: the last word? J Paediatr Child Health 2005; 41:197-200. [PMID: 15813874 DOI: 10.1111/j.1440-1754.2005.00587.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Universal Newborn Hearing Screening (UNHS) programmes have been widely implemented, but their costs, benefits and long-term logistics remain to be clearly defined. There are few rigorous evaluations of alternative strategies. In this paper, we evaluate the performance of the distraction test component of the two-tiered Victorian Infant Hearing Screening Program (VIHSP). METHODS All babies born in the State of Victoria, Australia in 1993 who survived the neonatal period were screened for the presence of risk factors for hearing loss. Those at-risk were referred for Auditory Brainstem Evoked Response (ABR) screening by a professional audiologist. All others were screened by modified distraction test at age 7-9 months. This birth cohort was followed through age 6 for diagnoses of congenital hearing loss resulting in fitting of hearing aids. Estimates of false-positives, false-negatives, sensitivity, specificity and positive predictive values were determined for the distraction test as a population screen. Ages at diagnosis and aid fitting for screen failures with hearing loss were compared with current goals. RESULTS For targeted (moderate or greater-aided) losses, the distraction test yielded eight (0.02%) documented false-negatives (one severe and seven moderate) and an estimated 4265 (99%) false-positives. Distraction test sensitivity was 65%, specificity 91% and PPV 0.3%. Mean age at diagnosis for distraction test failures across all severities, including mild losses, was 23 (SD 18) months with a mean age at aid fitting of 26 (SD 20) months. CONCLUSIONS The distraction test screen generated large numbers of false-positives and a significant number of false-negatives, performing particularly poorly with moderate losses. Ages at diagnosis and aid fitting for screen failures were far older than currently accepted goals. There is little evidence that the distraction test can be made to work acceptably as a population-based screen.
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Affiliation(s)
- Shirley A Russ
- Centre for Community Child Health, Royal Children's Hospital, Victoria, Australia
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Levi H, Tell L, Cohen T. Sensorineural hearing loss in Jewish children born in Jerusalem. Int J Pediatr Otorhinolaryngol 2004; 68:1245-50. [PMID: 15364494 DOI: 10.1016/j.ijporl.2004.04.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2003] [Revised: 04/23/2004] [Accepted: 04/27/2004] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Many factors, hereditary and environmental, may cause deafness. The aim of the present study was to analyze data on the etiology of bilateral sensorineural hearing impairment in children born in the Jerusalem area during 1978-1991, and to compare the results to those of a previous survey (1968-1977) in the same area. METHODS The study included 150 Jewish children (139 families) with hearing loss, born during 1978-1991. Information was obtained on prenatal, perinatal and postnatal events, history of hearing loss in the family, the parents' communities and consanguinity. Children with a sensorineural hearing impairment of 56 dB HL or greater in the better ear, within the frequency range of 0.5-4 kHz were included in the study. The hearing loss was classified as moderate-severe (56-70 dB HL), severe (71-90 dB HL) and profound (91 dB HL or more) in the better ear. Mutations in the coding sequence of the connexin 26 (C x 26) and the connexin 30 genes were examined in some of the families. RESULTS The hearing impairment was hereditary in 66 (44%) of the children, environmental in 31 (21%) and four children (3%) had multiple malformations. The cause was unknown in 49 (33%) children. Sixty-two families were of European origin (Ashkenazim) and 62 of Afro-Asian origin (Sephardim). Consanguinity was in 7% of the families. Mutations in connexin 26 and the deletion in connexin 30 were diagnosed in 9/18 families tested. The incidence of hearing loss decreased from 1.28 per thousand during 1968-1977 to 1.06 per thousand during 1978-1991. The rate of environmental causes decreased over the years together with an increase in the rate of unknown causes. The rate of hearing loss among Sephardim decreased significantly and increased among Ashkenazim. CONCLUSIONS The rate of hearing impairment in Israel is as that found in other countries, as was the distribution of the causes of deafness. The decrease in the rates of hearing impairment among the Sephardim may be due to a continuing decrease in consanguineous marriages among Sephardim. It is expected that the group of unknown causes will become smaller in future with the availability of more molecular genetic tests.
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Affiliation(s)
- Haya Levi
- Department of Otolaryngology, Speech and Hearing Center, Hadassah-Hebrew University Medical Center, Jerusalem 91120, Israel.
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Abstract
Recent technological advances have made feasible universal newborn hearing screening and therefore early detection of permanent childhood hearing impairment. Over the past three years, new information has been published on whether early intervention is beneficial, the possibility of harm arising from newborn screening, and its cost. Dramatic progress has been made in the large scale implementation of universal screening in many parts of the western world.
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Affiliation(s)
- C Kennedy
- Child Health, Southampton General Hospital, Southampton SO16 6YD, UK.
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Russ SA, Kuo AA, Poulakis Z, Barker M, Rickards F, Saunders K, Jarman FC, Wake M, Oberklaid F. Qualitative analysis of parents' experience with early detection of hearing loss. Arch Dis Child 2004; 89:353-8. [PMID: 15033847 PMCID: PMC1719881 DOI: 10.1136/adc.2002.024125] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIMS To determine key themes from parents' comments on paths to diagnosis and intervention for their children with hearing loss, following introduction of at-risk neonatal hearing screening and modification of distraction test screening for infants not at-risk. METHODS Parents of children born in 1993 in Victoria, Australia, who were eligible for screening via the Victorian Infant Hearing Screening Program and who were subsequently diagnosed with a permanent congenital hearing loss and fitted with hearing aids prior to the year 2000 were asked to complete a semi-structured questionnaire shortly after aid fitting. Two researchers independently analysed parent comments using the constant comparative method. RESULTS Parents of 82 children (61%) replied to the questionnaire. Themes analysis revealed a generally positive response to neonatal ABR screening, with a mixed response to the distraction test; powerful emotions experienced by parents at diagnosis including denial and shock; frustration arising from delays in diagnosis, and communication difficulties with providers. Special difficulties testing children with other medical and developmental problems, confusion about tympanostomy tube insertion, and difficulty with wearing hearing aids were also reported. Some children had experienced problems in the school setting. Experience of post-diagnostic services was generally positive. CONCLUSIONS Parents need greater support both during the testing of screen failures and at the time of diagnosis. Providers need more training in how to communicate findings to parents, particularly at times when parents are experiencing strong emotions. Parents need more strategies to enable hearing aid wearing in very young children. Some children with additional medical, developmental, and behavioural problems need specialised approaches to testing.
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Affiliation(s)
- S A Russ
- Centre for Community Child Health, Royal Children's Hospital, Melbourne, Australia.
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Poulakis Z, Barker M, Wake M. Six month impact of false positives in an Australian infant hearing screening programme. Arch Dis Child 2003; 88:20-4. [PMID: 12495952 PMCID: PMC1719264 DOI: 10.1136/adc.88.1.20] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AIMS To assess short and longer term parent reported impacts of false positive referrals in the Victorian Infant Hearing Screening Program (VIHSP). METHODS Mailed retrospective case-control survey of infants consecutively referred to VIHSP between December 1998 and April 1999 for whom audiology did not confirm permanent hearing loss, comprising 137 infants screened with a neonatal risk factor questionnaire and 148 older infants screened with two consecutive behavioural (distraction) tests. The two control groups comprised non-referred screened infants matched by domicile, age, and gender. Main outcome measures were parent reported emotions experienced before and after child's audiology test, parent estimated impact of hearing loss, the Child Vulnerability Scale, audiology assessment satisfaction questionnaire, and questions relating to their child's hearing and language development. RESULTS Final sample: at risk cases (AR) 108 (79% response), at risk controls 64 (51%); distraction test cases (DT) 103 (70%), distraction test controls 53 (41%). Parents across all groups believed that hearing loss would have major effects on a child's language (91-96%), schooling (81-91%), and employment opportunities (67-75%). Before audiology, 71% (AR) and 72% (DT) of case parents were anxious/worried, falling to 4% and 15% afterwards. After the test 82% (AR) and 79% (DT) reported relief, but 19% and 18% continued to feel worried. Ongoing concerns about hearing, language, development, and general health were comparable for AR cases compared to controls, and for DT cases compared to controls. CONCLUSIONS Hearing screening tests are generally well received. Parents are realistic about the impact of childhood hearing loss and report a range of negative emotions when a false positive hearing screen requires referral. Although most are reassured by a normal test, a substantial number report continuing concern.
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Affiliation(s)
- Z Poulakis
- Centre for Community Child Health, Royal Children's Hospital, Parkville, Victoria, Australia
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Wake MA. Newborn hearing screening: decision time for Australia. Med J Aust 2002; 177:172-3. [PMID: 12175315 DOI: 10.5694/j.1326-5377.2002.tb04723.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2002] [Accepted: 06/28/2002] [Indexed: 11/17/2022]
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