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  • Title: Economic analysis of treatments reducing coronary heart disease mortality in England and Wales, 2000-2010.
    Author: Fidan D, Unal B, Critchley J, Capewell S.
    Journal: QJM; 2007 May; 100(5):277-89. PubMed ID: 17449875.
    Abstract:
    BACKGROUND: Coronary heart disease (CHD) in the UK affects approximately 3 million people, with >100,000 deaths annually. Mortality rates have halved since the 1980s, but annual NHS treatment costs for CHD exceed 2 billion pounds. AIM: To examine the cost-effectiveness of specific CHD treatments in England and Wales. METHODS: The IMPACT CHD model was used to calculate the number of life-years gained (LYG) from specific cardiological interventions from 2000 to 2010. Cost-effectiveness ratios (costs per LYG) were generated for each specific intervention, stratified by age and sex. The robustness of the results was tested using sensitivity analyses. RESULTS: In 2000, medical and surgical treatments together prevented or postponed approximately 25,888 deaths in CHD patients aged 25-84 years, thus generating approximately 194,929 extra life-years between 2000 and 2010 (range 143,131-260,167). Aspirin and beta-blockers for secondary prevention following myocardial infarction or revascularisation, for angina and heart failure were highly cost-effective (< 1000 pounds per LYG). Other secondary prevention therapies, including cardiac rehabilitation, ACE inhibitors and statins, were reasonably cost-effective (1957 pounds, 3398 pounds and 4246 pounds per LYG, respectively), as were CABG surgery (3239 pounds-4601 pounds per LYG) and angioplasty (3845 pounds-5889 pounds per LYG). Primary angioplasty for myocardial infarction was intermediate (6054 pounds-12,057 pounds per LYG, according to age), and statins in primary prevention were much less cost-effective (27,828 pounds per LYG, reaching 69,373 pounds per LYG in men aged 35-44). Results were relatively consistent across a wide range of sensitivity analyses. DISCUSSION: The cost-effectiveness ratios for standard CHD treatments varied by over 100-fold. Large amounts of NHS funding are being spent on relatively less cost-effective interventions, such as statins for primary prevention, angioplasty and CABG surgery. This merits debate.
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