期刊
EUROPEAN HEART JOURNAL
卷 38, 期 23, 页码 1832-1839出版社
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehx111
关键词
Familial hypercholesterolaemia; Markov model; Cost effectiveness; Cascade testing
资金
- British Heart Foundation
- National Institute for Health Research University College London
- Hospitals Biomedical Research Centre
- Scottish Government Health Department
- British Heart Foundation [RG/08/008/25291] Funding Source: researchfish
Aims Familial hypercholesterolaemia (FH) is a vastly under-diagnosed genetic disorder, associated with early development of coronary heart disease and premature mortality which can be substantially reduced by effective treatment. Patents have recently expired on high-intensity statins, reducing FH treatment costs. We build a model using UK data to estimate the cost effectiveness of DNA testing of relatives of those with monogenic FH. Methods and results A Markov model was used to estimate the cost effectiveness of cascade testing, using data from UK cascade services. The estimated incremental cost effectiveness ratio (ICER) was 5806 pound and the net marginal lifetime cost per relative tested was 2781 pound. More than 80% of lifetime costs were diagnosis-related and incurred in the 1st year. In UK services, 23% of 6396 index cases were mutation-positive. For each mutation-positive index case, 1.33 relatives were tested, resulting overall in a rate of 0.31 tested relatives per tested index case. If the number of relatives tested per tested index case rose to 3.2 (projected by National Institute for Health and Care Excellence in 2008) the ICER would reduce to 2280 pound and lifetime costs to 1092 pound. Conclusion Cascade testing of relatives of those with suspected FH is highly cost effective. The current Europe-wide high levels of undiagnosed FH, and associated morbidity and mortality, mean adoption of cascade services should yield substantial quality of life and survival gains.
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