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Approximately 26 million people live with heart failure worldwide. University of Glasgow researchers have been instrumental in proving the value, in landmark clinical trials, of bisoprolol, candesartan and eplerenone — three of the four classes of drug that reduce mortality, reduce hospitalisation rates and improve quality of life for patients with heart failure. These trials led directly to revision of clinical guidelines on heart failure management globally (including in Europe, USA, UK, Australia and Canada, all published since 2008). The Glasgow researchers have established heart failure as a healthcare priority and encouraged the introduction of specialist heart failure nurses, saving the NHS an estimated £8 million per year. Collectively, these advances have transformed the treatment and survival rates of heart failure patients worldwide.
Randomised placebo-controlled trials (RCTs) are the most robust way to demonstrate the effectiveness of medical therapies. The University of Glasgow's Robertson Centre for Biostatistics (RCB) is internationally renowned for its biostatistical input and leading roles on landmark RCTs of cardiovascular therapies. The findings of the BEAUTIFUL and SHIFT studies underpinned European and UK regulatory approval for a novel use of the heart-rate-lowering drug ivabradine, potentially preventing thousands of hospital admissions for heart failure every year. The IONA trial supported UK approval of generic versions of another heart drug (nicorandil), thereby enhancing cost-effectiveness for the NHS. The BEAUTIFUL, SHIFT, DOT-HF and CAPRICORN trials provided the evidence base for US, European and UK guideline recommendations, steering best practice for treatment of patients with heart disease worldwide.
Patients with evidence of heart failure following acute myocardial infarction (AMI) have a particularly poor prognosis, with substantially increased risk of death and subsequent cardiovascular events. The Acute Infarct Ramipril Efficacy (AIRE) Randomised Controlled Trial (RCT) was an international trial designed and led by the University of Leeds. AIRE demonstrated, for the first time, that early treatment of patients with clinical evidence of heart failure following AMI with the angiotensin converting enzyme inhibitor (ACEI) ramipril significantly improved survival and quality of life compared with placebo treated patients. The strategy of early initiation of ACEI is now a cornerstone in the management of patients suffering from AMI, leading to a global improvement in post-AMI outcomes.
Atrial fibrillation (AF) is the commonest heart rhythm abnormality, affecting around 8.8 million people in the European Union, and confers a substantial risk of stroke and death. It accounts for one third of hospital admissions for cardiac rhythm disturbances, and the rate of AF-related admissions has continued to rise in recent years. The work of Prof Gregory Lip and Dr Deirdre Lane has made Birmingham an internationally-respected centre of excellence for research in AF, delivering crucial impacts in international clinical practice guidelines and improvements in patient care within three main areas: treatment decisions related to stroke and bleeding risk, screening practice in primary care, and stroke and bleeding risk assessment, ultimately reducing morbidity and mortality for a significant proportion of the population, particularly among the elderly.
The Acute Infarct Ramipril Efficacy (AIRE) multicentre international trial, conceived, designed, led and coordinated by Leeds was the first to show that use of early angiotensin converting enzyme Inhibitor (ACEI) therapy in patients with signs and symptoms of heart failure after an acute myocardial infarction (AMI) is associated with significantly longer survival and better quality of life. Further Leeds research showed the beneficial effects persisted long-term. The strategy of early initiation of ACEI is now a fundamental and routine part of the management of patients after AMI and has contributed to better survival and quality of life for patients around the world.
Academics from the University of Hull led a programme of research that demonstrated for the first time that telehealth (the use of technology to support remotely the delivery of healthcare) could improve clinical outcomes for patients with heart failure.
The University's Centre for Telehealth is now recognised internationally as a leader in this area, has been identified as an exemplar of best practice, and is highly influential in developing national and European guidelines. The Centre's activities have supported the development of telehealth services for thousands of patients within the UK and Europe. It is also a key player in initiatives devoted to the enhancement of telehealth services through supporting industry and training of the health and social care workforces.
Our research with spironolactone has advanced treatment in heart failure. We conducted the first "proof of concept" study to show that spironolactone had beneficial cardiac effects in man. In patients with heart failure, we demonstrated that it reduced cardiac sympathetic activity and arrhythmias. Spironolactone was pioneered in Dundee as a treatment to reduce deaths in chronic heart failure. This treatment is now recommended (Level A evidence; Class I recommendation) for the treatment of symptomatic heart failure in all guidelines including the 2010 NICE guidelines. It is also now a standard in the 2010 NHS Quality Improvement Scotland standards.
Studies coordinated by the University of Oxford's Clinical Trial Service Unit (CTSU) within the Nuffield Department of Population Health (NDPH) have strongly influenced the labelling of statin medication internationally, treatment guidelines, and the resulting changes in prescribing have contributed to reductions in mortality and morbidity from heart attack and ischaemic stroke in many countries. CTSU's randomised trials and meta-analyses of trials have shown that lowering low-density lipoprotein (LDL) cholesterol safely reduces the risk of heart attacks, strokes and revascularisation procedures in a wide range of people, and work conducted in collaboration with the NDPH's Health Economic Research Centre has provided clear evidence of cost-effectiveness of statins.
Beta-blockers are now a worldwide mainstay of heart failure treatment recommended in all international guidelines for chronic heart failure: this is a reversal of previous practice since they were completely contraindicated in this condition up to the late 1990s. Imperial College researchers were pivotal in defining beta-adrenoceptor/beta-blocker mechanisms in failing human hearts and translating the benefits into clinical practice. Imperial College researchers designed and led the COMET and SENIORS beta-blocker trials for heart failure and the UK arm of the COPERNICUS trial. These studies helped establish beta blockers in modern heart failure management: these are now the 4th most commonly prescribed drugs worldwide.
Over the past 20 years, the University of Oxford's Clinical Trial Service Unit (CTSU), within the Nuffield Department of Population Health (NDPH), has conducted some of the world's largest trials and collaborative meta-analyses of trials of antiplatelet therapy, including aspirin, that have together had a major ongoing and incremental impact on the treatment and prevention of cardiovascular disease. They have helped ensure that antiplatelet therapy is widely used both in the acute care of patients with heart attacks and for the secondary prevention of heart attacks and strokes in high-risk patients. This research has been recognised as the gold standard for international guidelines, and has been instrumental in changing prescribing labelling for aspirin.