Publications by authors named "Sung Valerie"

Aims: While COVID-19 no longer presents a global health emergency, the indirect (non-infection) impacts of the pandemic may exacerbate health inequalities in years to come. We examined the socio-economic distribution of the impacts of the pandemic on the psychosocial and economic well-being of children, young people and their families.

Methods: The CoRonavIruS Health Impact Survey (CRISIS) was conducted in seven existing longitudinal cohorts, together involving n = 3072 participants aged 0-19 years.

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Objective: Infections during pregnancy can increase the risk of congenital hearing loss. This population-based study investigated the effect of birthing parent COVID-19 infection during pregnancy on risk of congenital hearing loss in infants.

Methods: Records of infants born in 2022 were reviewed via a retrospective clinical audit of a universal state-wide newborn hearing screening program in Victoria, Australia.

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Importance: Monogenic causes of childhood hearing loss are well established, as are polygenic risk contributions to age-related hearing loss. However, an untested possibility is that polygenic risk scores (PRS) also contribute to childhood hearing loss of all severities, alongside environmental and/or monogenic causes.

Objective: To examine the association between a PRS for adult hearing loss and childhood hearing loss phenotypes.

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Article Synopsis
  • Congenital cytomegalovirus (cCMV) is the top infectious cause of hearing loss and developmental issues in children, prompting interest in antiviral treatments for affected mothers and infants.* -
  • Recent studies suggest that screening for cCMV in pregnant women may help prevent fetal infection, and medications like valaciclovir and valganciclovir can manage symptoms in newborns.* -
  • More research is needed to adapt new screening guidelines across regions, as well as to clarify treatment protocols for asymptomatic cases and optimize care for infants with cCMV.*
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Article Synopsis
  • The study aimed to systematically review literature on noise in neonatal intensive care units, focusing on noise characteristics, sources, and measurement methods.* -
  • Out of 1651 studies reviewed, 47 met the inclusion criteria, revealing that average sound levels in NICUs exceeded recommended guidelines of 45 dB, primarily due to noise from people congregating.* -
  • The conclusion emphasizes the need for future research to use sound measuring devices that comply with international standards to accurately assess noise levels in NICUs.*
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Congenital cytomegalovirus (cCMV) is the leading infectious cause of sensorineural hearing loss and neurodevelopmental disabilities, with prompt detection (<21 days of life) required to enable accurate diagnosis and anti-viral treatment where clinically appropriate. International guidelines recommend cCMV screening for infants who do not pass their Universal Newborn Hearing Screening (UNHS). This study aimed to explore parental experiences of targeted cCMV screening through the UNHS in Victoria, Australia between 2019 and 2020 (HearS-cCMV study).

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Background: Deaf and hard of hearing (DHH) children may experience communication delays, irrespective of early intervention and technology. Australian Sign Language (Auslan) is one approach in early intervention to address language delays. Current prevalence of Auslan use among Australian families with DHH children is unknown.

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Viral infections are common in children. Many can be asymptomatic or have delayed health consequences. In view of increasing availability of point-of-care viral detection technologies, with possible application in newborn screening, this review aimed to (1) identify potentially asymptomatic viruses detectable in infants under one year old, via saliva/nasopharyngeal swab, and (2) describe associations between viruses and long-term health conditions.

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Background: Deaf and hard-of hearing (DHH) children often experience emotional/behavioral difficulties. The impact of unilateral/mild hearing loss (HL) on children's emotion and behavior are unclear. We aimed to describe emotional/behavioral, health related quality-of-life (HRQoL) and parent psychological distress outcomes of school-age children with unilateral/mild HL, compared to children with moderate to profound HL, and in relation to population norms; and identify predictive factors of emotional/behavioral difficulties.

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Introduction: We aimed to describe the language and health-related quality of life (HRQoL) outcomes of children early-identified with unilateral or mild bilateral permanent hearing loss. This was a cross-sectional community-based study of children with mild bilateral or unilateral permanent hearing loss (including unilateral auditory neuropathy spectrum disorder (ANSD)), drawn from a population-based databank in Victoria, Australia.

Methods: Enrolment in this databank is independent of early intervention and amplification approaches.

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Introduction: Early identification of mild hearing loss has resulted in early hearing amplification without adequate evidence of effectiveness. This paper describes learnings from a pilot trial, combined with a qualitative study, to highlight the importance of community engagement in designing research studies to determine whether early amplification benefits young children with bilateral mild hearing loss.

Methods: PART 1 of the study is a proof-of-concept non-blinded multi-centre randomised controlled trial (RCT) of hearing device fitting vs.

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Through a cross-sectional community study of 2044 children aged 2 years, we (1) examine the impact of hearing loss on early spoken expressive vocabulary outcomes and (2) investigate how early intervention-related factors impact expressive vocabulary outcomes in children with hearing loss predominantly identified through universal newborn hearing screening. We used validated parent/caregiver-reported checklists from two longitudinal cohorts (302 children with unilateral or bilateral hearing loss, 1742 children without hearing loss) representing the same population in Victoria, Australia. The impact of hearing loss and amplification-related factors on vocabulary was estimated using g-computation and multivariable linear regression.

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Deaf and hard of hearing (DHH) children in Victoria, Australia, were exposed to strict public health restrictions, including sustained lockdowns, during the COVID-19 pandemic. DHH children have higher health and socio-emotional needs than their hearing peers. We aimed to (1) describe the socio-emotional experiences of DHH children and their parents and (2) compare child and parent socio-emotional wellbeing, before and during the COVID-19 pandemic.

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Objectives: Early diagnosis and intervention of deaf and hard-of-hearing (DHH) children leads to improved language and psychosocial outcomes. However, many child, parent and provider related factors can influence access to early intervention services, including hearing devices. This narrative review aims to explore factors that influence health service access in DHH children.

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Article Synopsis
  • Over 200 genes are linked to monogenic congenital hearing loss, but the impact of multiple genes (polygenic) on hearing decline over a lifetime is less understood.
  • A study examined how polygenic risk scores (PRSs) related to self-reported hearing difficulties in adults aged 40-69 years, analyzing data from children and adults using audiometry and genetic evaluations.
  • Results indicated that higher PRS1 and PRS2 scores were correlated with worse hearing thresholds in adults, suggesting that genetic factors contribute to hearing loss across a person's life.
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Aim: We aimed to determine the cost and potential cost-savings of delivering a targeted congenital cytomegalovirus (cCMV) screening programme through a universal newborn hearing screening (UNHS) programme to detect cCMV-related hearing loss in infants from Victoria, Australia.

Methods: We completed a micro-costing analysis from a health-care perspective using data from a targeted cCMV screening programme piloted between June 2019 and March 2020. The programme involved collection of saliva samples to test for cCMV in infants who: received a 'refer' result on their second newborn hearing screen; were aged 21 days or less; and born at one of four maternity hospitals in Victoria, Australia.

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To describe hearing-health service use, especially use of telehealth, during the early stages of the COVID-19 pandemic in deaf/hard-of-hearing children. In 2020, the Victorian Childhood Hearing Longitudinal Databank surveyed 497 (61.6%) families of deaf/hard-of-hearing children aged 0.

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Article Synopsis
  • * Out of the children tested, 48.6% had confirmed causes of hearing loss, with various specific diagnoses including congenital cytomegalovirus and genetic mutations.
  • * The majority of these children had medical comorbidities and frequently utilized multiple health services, demonstrating significant engagement with various interventions and support systems.
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GJB2-associated hearing loss (GJB2-HL) is the most common genetic cause of hearing loss in children. However, little is known about the clinical characteristics and early language outcomes in population-oriented samples including children with different degrees of hearing loss. Insight into these characteristics are relevant for the counselling of parents.

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Universal newborn hearing screening (UNHS) facilitates early detection of permanent congenital hearing loss in newborns. In recognition of specific needs among parents, support services have been established within some UNHS programs, including the Victorian Infant Hearing Screening Program (VIHSP). Despite this, there is limited research about how to best support parents in the context of well-established UNHS programs.

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Background: Obesity is characterized by heightened inflammation, and both phenotypes are associated with hearing loss. We aimed to determine if inflammation mediates the associations between obesity and hearing ability in mid-childhood and mid-life.

Methods: Participants: 1165 11- to 12-year-old children and 1316 parents in the population-based cross-sectional Child Health CheckPoint within the Longitudinal Study of Australian Children.

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Article Synopsis
  • This review highlights the significant indirect impacts of the COVID-19 pandemic on children aged 0-12, using a community child health perspective to analyze how Australia can address these needs.
  • *The authors synthesized findings from past pandemics and epidemics, revealing that the COVID-19 pandemic has led to negative consequences for children's mental health, development, and academic performance, often reinforcing patterns seen in earlier crises.
  • *They identified 11 areas of impact categorized into child-level, family-level, and service-level factors, and proposed five strategies to combat inequities, including financial support for families and improved access to education and health services.
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Aim: This study aimed to determine the feasibility and parental acceptability of screening for congenital cytomegalovirus (cCMV) through saliva polymerase chain reaction in infants who did not pass their newborn hearing screening. Additionally, the utility (i.e.

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