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Permanent childhood hearing impairment (PCHI) is common and adversely affects language acquisition. Early identification enables effective early interventions including hearing aids and cochlear implants. Research at Southampton was central to the case accepted by policymakers in the UK, USA and across several continents to recommend universal newborn screening (UNS) for PCHI. From 2008-13 more than three million babies in the UK were screened and over 5,000 cases of PCHI were identified with benefit to family functioning, literacy, academic achievement, social-emotional well-being, employment, wider society and the UK economy.
A trial of a pneumococcal conjugate vaccine (PCV) coordinated by Greenwood (LSHTM) and conducted in Gambian infants, showed a significant reduction in invasive pneumococcal disease, severe pneumonia, hospital admissions and deaths in vaccinated children. These results played an important role in encouraging WHO to recommend the introduction of a PCV into the routine immunisation programme of all countries with a high child mortality. Fifty-one GAVI eligible countries have now introduced, or made a commitment to introduce, a PCV into their routine infant immunisation programme with the consequent saving of many young lives.
A comprehensive body of research into the effectiveness, cost and distribution of long-lasting insecticidal nets (LLINs) by LSHTM has made a major contribution to the reduction of malaria-related mortality between 2008 and 2013, especially among children in Africa. The research formed the basis of a radically altered strategic approach to combating malaria by WHO and other agencies, and led to the roll-out of malaria campaigns based around LLINs in several African countries. LSHTM research into the technology of LLINs, which also contributed to these developments, is described in a separate case study.
Impact: Health and welfare; public policy; the work led to UK and international guidelines advising against progesterone use to prevent preterm birth in twin pregnancy.
Significance: Thousands of women now avoid this unpleasant procedure annually, with a saving to the NHS of £25M.
Beneficiaries: Pregnant women, policy-makers, the NHS and healthcare-providers.
Attribution: The work was initiated by a five-centre UK collaborative group including UoE. Data analysis, interpretation and translation into practice were led by Jane Norman, UoE.
Reach: The data are cited in guidelines and have changed clinical practice on three continents: Europe (NICE), North America and Australasia. Applies to 11,000 women annually in UK alone.
Impact: Health and welfare; a UK clinical trial of uterine artery embolisation (UAE), with five-year follow-up, defined the risk- and cost-benefit of UAE versus surgery.
Significance: The trial informed guidelines/recommendations internationally and changed clinical practice. Women worldwide can now make an informed choice about their treatment; economic factors have been quantitated.
Beneficiaries: Uterine fibroid patients, the NHS, healthcare providers.
Attribution: G. Murray, UoE, developed and delivered innovative trial methodology; clinical aspects led by University of Glasgow.
Reach: UK guidelines; worldwide (Australia, USA, Europe) effect on clinical practice that will impact up to 25% of women.
Neonatal extracorporeal membrane oxygenation (ECMO) is a complex procedure of life support used in severe but potentially reversible respiratory failure in newborn infants. In 1993 researchers in Leicester carried out the first and, to date, only large-scale randomised trial comparing the value of ECMO with other means of life support. The trial, with follow-up research at 4 and 7-year intervals, has shown ECMO to be a life-saving and cost-effective treatment, and has led to the establishment of a centrally funded neonatal programme that is estimated to have saved around 340 lives in the UK alone. In 2013 the University remains internationally renowned in the field of ECMO research, and since 2009 Glenfield Hospital has been home to the world's largest ECMO centre for the treatment of newborns, older babies and adults. The trial is still held up by advocates of fair clinical trials as an example of how evidence should translate into practice and policy.
International obstetric practice has been changed by two large randomised controlled trials led from the University of Oxford's National Perinatal Epidemiology Unit, which demonstrated the efficacy of magnesium sulphate for both treatment and prevention of eclampsia during pregnancy, a condition characterised by fits in association with hypertension, and an important cause of maternal morbidity and mortality. Until the 1990s there was widespread geographical variation in the management of the condition, with magnesium sulphate used almost exclusively in North America. Following the publication of the results of these two trials magnesium sulphate is now in routine use globally, widely recommended in guidelines, and has been placed on the WHO Model List of Essential Medicines.
Research by LSHTM has alerted international health bodies, the UK and US militaries, politicians and doctors around the world to a new trauma treatment that could save over 100,000 lives each year. A proactive advocacy campaign following the publication of the CRASH-2 trial in The Lancet has secured media coverage in major global news outlets, the inclusion of the drug tranexamic acid (TXA) on the WHO List of Essential Medicines and direct endorsements from WHO officials, UK ministers and army figures. TXA was the first drug to be approved under the UK government's Medicines Innovation Scheme.
Research in West Africa by LSHTM and partners has shown that monthly treatment with effective antimalarial drugs during the rainy season provides children with a very high degree of personal protection against malaria, can be delivered on a large scale by community health workers at moderate cost, and with no serious side-effects. Based on this research, WHO now recommends that children living in Sahel areas where malaria is a major problem should receive such `seasonal malaria chemoprevention' (SMC) with sulfadoxine-pyrimethamine plus amodiaquine. Ten countries have incorporated SMC into their strategic plans for malaria control.
Heart failure affects more than 22 million people worldwide, including 6 million in Europe and 5 million in the United States, with approximately 500,000 new patients diagnosed each year.
The cardiac resynchronisation in heart failure trial (CARE-HF) demonstrated that, in patients with heart failure and cardiac dyssynchrony, use of an implantable pacemaker to improve heart contraction led to a 37% reduction in the risk of death and hospitalisations and significant improvements in patient quality of life. The benefits are in addition to those of standard pharmacologic therapy. As a result of the CARE-HF trial, international and NICE guidelines have recommended the use of cardiac resynchronization therapy in patients with heart failure and dyssynchrony resulting in an increased use of cardiac resynchronisation throughout the world and significant improvements in quality of life and survival for heart failure patients.