Life-Years Gained From Modern Cardiological Treatments and Population Risk Factor Changes in England and Wales, 19812000
Belgin Ünal, PhD,
Julia A. Critchley, PhD,
Dogan Fidan, MSc and
Simon Capewell, MD
At the time of the study, B. Ünal, J. A. Critchley, and S. Capewell were with the Department of Public Health, University of Liverpool, UK. D. Fidan is with the London School of Hygiene and Tropical Medicine, London, UK.
Correspondence: Requests for reprints should be sent to Belgin Ünal, Department of Public Health, Dokuz Eylul University School of Medicine, I zmir, Turkey (e-mail: belgin.unal{at}deu.edu.tr).
Objectives. We estimated life-years gained from cardiologicaltreatments and cardiovascular risk factor changes in Englandand Wales between 1981 and 2000.
Methods. We used the IMPACT model to integrate data on the numberof coronary heart disease patients, treatment uptake and effectiveness,risk factor trends, and median survival in coronary heart diseasepatients.
Results. Compared with 1981, there were 68230 fewer coronarydeaths in 2000. Approximately 925415 life-years were gainedamong people aged 2584 years (range: 745 1951138 655). Cardiological treatments for patients accounted forapproximately 194145 life-years gained (range: 142505259225),and population risk factor changes accounted for approximately731270 life-years gained (range; 602695879430).
Conclusions. Modest reductions in major risk factors led togains in life-years 4 times higher than did cardiological treatments.Effective policies to promote healthy diets and physical activitymight achieve even greater gains.
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