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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.
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.
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.
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.
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.
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.
Our research on brain/B-type naturietic peptide (BNP) has helped to diagnose both types of heart failure (systolic and diastolic heart failure) and to identify high-risk aortic stenosis patients for surgery. We were first to demonstrate the value of BNP as a biomarker for left ventricular systolic dysfunction, isolated diastolic dysfunction and for aortic stenosis. BNP testing is now recommended in Guidelines as a screening test for patients with suspected heart failure (Class I recommendation) and in the current European Society of Cardiology consensus statement for diagnosis of diastolic heart failure. The European Society of Cardiology Guidelines have also introduced BNP testing in the management of patients with aortic stenosis (Class IIb recommendation).
Impact: Health and welfare, policy and clinical practice; randomised trial evidence has changed the management and outcome of acute coronary syndromes (ACS) globally.
Significance: Advanced anti-platelet and revascularisation therapies have become standards of care worldwide. There have been large (10-50%) reductions in the death rate from coronary heart disease across Europe. Clopidogrel was the second best-selling drug in the USA in 2011.
Beneficiaries: Patients with ACS, clinical practitioners, NHS and healthcare delivery organisations, policy-makers, pharmaceutical companies.
Attribution: Building on prior studies, Fox (UoE) and colleagues led multicentre randomised controlled trials; international trials were co-chaired by Fox with international investigators.
Reach: Global; guideline changes in Europe and USA; applies to the up to 5% of the population who have ACS.
Sudden cardiac death causes 4.5 million deaths worldwide each year many of which could be prevented by implantable cardioverter defibrillators (ICDs), but these also carry risks. Research in the groups of Huang and Grace has led to diagnostic assays offering three times the predictive accuracy of current approaches in guiding cardiologists concerning indications for ICD implantation. The assay has been clinically trialled; since 2008, through the trial, the lives of three patients identified by the assay as at high risk were saved. Further work led by Grace and colleagues provided an improved, subcutaneous ICD (SICD); Grace also participated in a US-based clinical trial (NCT00399217) providing the evidence required for FDA approval supporting also later inclusion into NICE guidance. Since 2008 the SICD has been implanted in over 2500 patients in 16 countries.
The research team at Bucks New University has provided the groundwork for a number of applications to use cardiac power output as a novel functional measurement in the clinical evaluation of patients with heart failure and other related diseases. It involved validating the measure, assessing its reliability and applying it to a group of patients with end-stage heart failure. The success of this procedure is now evidenced by the number of national and international clinical centres adopting cardiac power output as a key functional measurement.