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The UK Faecal Occult Blood Test Screening Programme, based on Dundee-led research (Steele), offers bowel cancer screening through mailed test kits followed up with colonoscopy when faecal blood is detected. It is estimated to prevent about 2,000 UK deaths annually. Steele's Screening Research Unit also trialled immunological faecal occult blood testing, which was subsequently incorporated into the Scottish screening algorithm. In addition to demonstrating a 27% reduction in bowel cancer deaths through participation in Faecal Occult Blood screening, the Unit has researched the incidence of interval cancers and the impact of repeated invitations, development of new tests, and strategies for increasing participation. All of these drive the National Screening Programme, and will further reduce mortality.
Karl Atkin participated in a research programme that explored ways of best supporting those with or at-risk of sickle cell and thalassaemia from the perspective of patients, families, practitioners and policy makers. The findings have had an accumulated impact on: care standards for a range of health care professional and national policy bodies; public outreach; ante-natal care and screening policy; and have informed the training and education of doctors and nurses on how best to communicate with those at risk of inherited blood disorders. Findings have also contributed to the evidence base on social care and education, including providing practical guidance to teachers.
Essex contributed to the independent evaluation of the UK NHS Bowel Cancer Screening Pilot programme by conducting the psychosocial aspects of this research. The evaluation recommended full roll-out, and was used to inform the programme's subsequent development and implementation. Nationwide screening for 60-69 year olds, using the Faecal Occult Blood test, began in 2006 and in 2010 the programme was extended to include adults up to their 75th birthday. Since July 2006 over 17 million screening episodes have been completed and 15,000 cancers detected. It is estimated that the programme is on track to cut deaths by 16%.
Professor Peter Sasieni's team at Queen Mary showed that the efficacy of cervical screening was age-dependent. Their recommendations were adopted as policy in England in 2003 and led many other countries, including the USA, to raise the recommended age of first screening. This research was central to the 2009 re-evaluation of the most appropriate age for first screening in England, resulting in some 300,000 fewer screening tests per year in women aged 20-24, with a cost saving to the NHS of some £15 million annually. Annually, 45,000 fewer women now have an abnormal cervical screening test, of which an estimated 8,500 would have received unnecessary surgical treatment. The estimated annual saving to the NHS is £17.5 million.
Research by Professor Judith Stephenson and colleagues at the UCL Institute of Women's Health into the effectiveness of chlamydia screening has led to guidance to health policy makers in the EU about national strategies for chlamydia control, and has influenced NICE guidelines on the subject. In particular, our work has informed debate on the value for money of the National Chlamydia Screening Programme (NCSP). Stephenson advised the National Audit Office on this topic, and a resulting report led to the NCSP focusing on chlamydia testing in sexual health services and primary care rather than screening in low risk groups. These changes are expected to make considerable cost savings to the NHS.
IOE researchers have helped the NHS to maximize the number of babies in the UK who are screened for a range of serious but treatable conditions when they are about a week old. This means that more children with one of the screened-for conditions can start a course of treatment quickly. The fruits of the IOE team's work — a suite of training materials for healthcare staff and information leaflets for parents — have had another important consequence. They have enabled parents in the UK and in other countries to make much more informed decisions on screening than they could in the past.
King's College London research identified the feasibility of implementing newborn screening for sickle cell disease, which was advocated. King's research also demonstrated the feasibility of antenatal screening for sickle cell disease early in pregnancy. A new national NHS Programme for antenatal and newborn screening for haemoglobin disorders was rolled out, with the national Programme Centre based at King's, resulting in increasing numbers of women and newborn infants being tested for sickle cell disease and trait. The screening programme enables informed choices for carrier individuals, and contributed to earlier diagnosis and better care for those with disease. King's research identified important problems in the delivery of treatment services for patients with sickle cell disease. The research informed the decision to designate specialist NHS services in order to address deficiencies in care.
Congenital heart defects are a leading cause of infant death, accounting for more deaths than any other type of malformation and up to 7.5% of all infant deaths. Timely diagnosis is crucial for the best possible outcome for these children. However, the accuracy of current methods for screening for critical congenital heart defects (CCHD) before birth is variable and currently only detects these defects in between 35-50% of cases. Although around a third of remaining cases are picked up after birth, up to a third of children with a CCHD are sent home, where they may become unwell or die. Research led by Dr Andrew Ewer at the University of Birmingham has demonstrated that pulse oximetry is a rapid, safe, non-invasive, painless method of detecting the low blood oxygen levels associated with CCHD, and is also a cost-effective approach. As a result of Dr Ewer's research, Pulse Ox was recommended for adoption across the US in 2011 by the Secretary for Health and Human Services, and Dr Ewer has been instrumental in this screening approach being taken up worldwide. This research prompted a national UK review of screening for these conditions.
School dental screening was a statutory function of the NHS. University of Manchester (UoM) research demonstrated that the national screening programme was ineffective and likely to increase inequalities in health and service utilisation. As a direct result of UoM research, the National Screening Committee recommended that the national programme should stop. This changed Departments of Health policy resulting in new guidance to the NHS, which stopped the screening programme and redirected resources to treatment services for vulnerable groups and prevention programmes. In 2010 in England the costs of a national screening programme were estimated to be £17m per year; money released for reallocation to other dental services.
Abdominal aortic aneurysms (AAAs) affect more than 4% of British men aged 65-74 and are responsible for over 6,800 deaths annually. The MASS trial showed that screening could reduce AAA-related mortality by 42%, and the Health Economics Research Group (HERG) demonstrated, through the MASS trial, that AAA screening was cost-effective. HERG thus helped inform the policy announced by UK ministers in 2008 to introduce a national screening programme for all men reaching 65. By Spring 2013 it was fully introduced in England — offering screening to 300,000 men annually; the latest Annual Report (2011-12) claimed an uptake rate of 75%. In 2008 the DH estimated the health gain from a screening programme would be at least 130,000 QALYS over 20 years. Internationally, MASS is the most significant trial of AAA screening, and provides the most robust evidence-based model of its cost-effectiveness. It extensively influenced AAA screening guidelines, policies and services, including in the USA and Europe.