Journal
EUROPEAN HEART JOURNAL-QUALITY OF CARE AND CLINICAL OUTCOMES
Volume 8, Issue 2, Pages 187-194Publisher
OXFORD UNIV PRESS
DOI: 10.1093/ehjqcco/qcaa093
Keywords
Atrial fibrillation; Forecast; Direct costs; National Health Service (NHS)
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Atrial fibrillation (AF) is a common sustained heart arrhythmia that imposes a significant cost on the NHS and the wider UK healthcare system. Hospitalizations are the main cost driver, and with an increasing number of AF patients, these costs are expected to rise in the future. By focusing on reducing hospitalizations, healthcare costs related to AF could be substantially reduced for the NHS.
Aims Atrial fibrillation (AF) is the most common sustained heart arrhythmia and a major preventable cause of stroke, heart failure, and dementia. Atrial fibrillation already accounts for a significant amount of National Health Service (NHS) funding, and over the coming years is highly likely to impose a growing cost on NHS budgets and the wider UK healthcare system. We, therefore, need greater understanding of the main cost drivers (e.g. hospitalizations) of this increasingly prevalent arrhythmia. Such data would help with NHS resource planning over the next decades. Methods and results Based on prior published data, we initially calculated the cost of AF for 1995, and then again for 2000 which was calculated from a combination of contemporary and extrapolated data from that time. These data have been used as the basis for forecasting AF costs in the UK and as a share of total NHS expenditure. Atrial fibrillation direct costs were split between cost driver categories; general practitioner (GP) consultations, GP referred OPD (outpatient department) visits, prescriptions and monitoring visits, primary admissions, and post-discharge OPD visits. Forecast assumptions used: (i) NHS expenditure from 2020 onwards assumed to increase at annual rate of 3%/year; and (ii) the UK inflation rate to increase by 2% annually. Sensitivity modelling of 3%, 4%, and 6% projected annual increase in AF prevalence amongst the population was applied. The estimated direct and proportion of NHS expenditure of AF in 2020 for each of the assumed increases of 3%, 4%, and 6% would be 1435 pound m (0.91%), 1741 pound m (1.11%), and 2548 pound m (1.62%), respectively. For 2030, the modelling would mean that the direct costs of AF and proportion of NHS expenditure would be 2351 pound m (1.11%), 3141 pound m (1.48%), and 5562 pound m (2.63%), respectively. For 2040, the modelling shows that the direct costs of AF and proportion of NHS expenditure would be 3851 pound m (1.35%), 5668 pound m (1.99%), and 12 pound 143 m (4.27%), respectively. By far the largest contributor to the total direct AF costs in 2020 was for primary admissions (nearly 60%), with a further 7% with post-discharge outpatient clinic visits. Taken together the total for these two categories in 2020 would cost the NHS between 949 pound and 1685 pound m, depending on the projected increase in annual rate of AF prevalence. The full cost of AF related hospitalizations may be underestimated, due to the other admissions associated with a secondary coding of AF, which in 2020 are forecast to cost between 2269 pound and 4030 pound m, depending on the annual population increase of AF prevalence. There will be an increasing number of patients discharged to a nursing home after a hospital admission associated with a principal AF diagnosis, with cost estimates for this in 2000 being 111 pound m, and predicted to rise to between 346 pound and 614 pound m by 2020. Conclusion Focusing on 2020, AF is predicted to directly cost the NHS a total of a minimum of 1435 pound m and a maximum of 2548 pound m (depending on AF prevalence); hence, between 0.9% and 1.6% of NHS expenditure, mostly from primary admissions. The total direct costs of AF would increase to 1.35-4.27% of NHS expenditure, over the next two decades. If hospitalizations can be avoided or reduced, we would substantially reduce the healthcare costs of AF to the NHS.
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