Home Latest News AF screening strategy “would save societal costs”

AF screening strategy “would save societal costs”

AF screening strategy “would save societal costs”
Lars-Åke Levin and Emma Svennberg
Lars-Åke Levin and Emma Svennberg

Screening to detect atrial fibrillation (AF) in older people would not only increase the chance of preventing stroke, it would also save money for the healthcare system and society. This is the conclusion from research published in the European Heart Journal.

“The greatest benefit from screening is that you receive information that could be used to reduce an individual’s risk of stroke and thus may help them live longer with a good quality of life,” says Emma Svennberg (Karolinska University Hospital, Stockholm, Sweden) a co-author of the study.

A systematic screening programme for AF is not in use anywhere in the world. The researchers who conducted the present study have calculated the cost effectiveness of screening for AF in people aged 75‒76 years, and conclude that there are strong reasons for introducing such a programme.

“Our health economic analysis shows that screening is an intervention that even saves money. What I mean is—screening not only saves lives by preventing stroke; it also saves money for the healthcare system,” says Lars-Åke Levin (Linköping University, Linköping, Sweden) a senior author of the study.

Some of those who have AF experience symptoms, but many of those who have the condition are not aware of it. The risk of stroke is five times higher in people with AF than in the general population. Screening will enable the healthcare system to identify people with AF even if they do not have any symptoms and to offer them anticoagulants, thus reducing their risk of stroke.

Previous health economics analyses of the value of screening for atrial fibrillation have been based on data from the literature and some assumptions. The current study differs from these in that it is based on data from a clinical study, STROKESTOP, the results of which were published in The Lancet in 2021. This study had been led by Karolinska Institutet.

STROKESTOP is the largest clinical study in the world on screening for AF. It studied 30,000 people aged 75‒76 years, who were assigned at random to one of two groups. One group was offered the opportunity to participate in the screening, while the other group acted as a control group. Cases of AF detected during the screening were treated with anticoagulants.

“Screening is a very simple intervention. In principle it involves is placing the thumbs onto a hand-held ECG machine, which measures heart activity, twice a day for two weeks,” says Svennberg.

In the economic evaluation the researchers took into account that some of those offered screening will decline.

“Those who accept the screening are in general healthier than those who decline. Even so, our results show that the screening will save money and improve public health. I hope that decision-makers and the healthcare system will take notice of our results. We show that one of our most serious diseases can be prevented in this way,” says Levin.

The study has received financial support from donors that include the Swedish Heart-Lung Foundation and Stockholm County Council.


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