Heather M Fortnum

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BACKGROUND The monitoring of adverse drug reactions (ADRs) through pharmacovigilance is vital to patient safety. Spontaneous reporting of ADRs is one method of pharmacovigilance, and in the UK this is undertaken through the Yellow Card Scheme (YCS). Yellow Card reports are submitted to the Medicines and Healthcare products Regulatory Agency (MHRA) by post,(More)
OBJECTIVE To estimate the prevalence of confirmed permanent childhood hearing impairment and its profile across age and degree of impairment in the United Kingdom. DESIGN Retrospective total ascertainment through sources in the health and education sectors by postal questionnaire. SETTING Hospital based otology and audiology departments, community(More)
This retrospective study of permanent childhood hearing impairment (PCHI) > or = 40 dB HL in children born between 1985 and 1993 and resident in Trent Health Region, achieved an ascertainment of 92.9% of that expected from previous studies and 100% for the subset of children born between 1985 and 1990. The prevalence rate of all permanent hearing impairment(More)
Hearing loss is associated with poor cognitive performance and incident dementia and may contribute to cognitive decline. Treating hearing loss with hearing aids may ameliorate cognitive decline. The purpose of this study was to test whether use of hearing aids was associated with better cognitive performance, and if this relationship was mediated via(More)
OBJECTIVES To report population-based prevalence of hearing impairment based on speech recognition in noise testing in a large and inclusive sample of U.K. adults aged 40 to 69 years. The present study is the first to report such data. Prevalence of tinnitus and use of hearing aids is also reported. DESIGN The research was conducted using the UK Biobank(More)
OBJECTIVES To describe and analyse in detail current practice of school entry hearing screening (SES) in the UK. DATA SOURCES Main electronic databases were searched up to May 2005. REVIEW METHODS A national postal questionnaire survey was addressed to all leads for SES in the UK, considering current practice in terms of implementation, protocols,(More)
OBJECTIVE To estimate the cost-effectiveness of pediatric cochlear implantation by conducting a cost-utility analysis from a societal perspective. DESIGN In a cross-sectional survey, the parents of a representative sample of hearing-impaired children assessed the health utility of their child using a revised version of the Health Utilities Index Mark III(More)
This study reports epidemiological data for 17,160 children with permanent bilateral hearing impairment >40 dB in the UK in the birth cohorts 1980-95 inclusive. Children were uniquely ascertained from notifications from professionals in health and education. Results indicate a changing aetiological profile over birth cohort. The percentage of unknown(More)
OBJECTIVE Age-related hearing loss is an increasingly important public health problem affecting approximately 40% of 55-74 year olds. The primary clinical management intervention for people with hearing loss is hearing aids, however, the majority (80%) of adults aged 55-74 years who would benefit from a hearing aid, do not use them. Furthermore, many people(More)