The effectiveness and cost-effectiveness of computed tomography screening for coronary artery disease : systematic review
Waugh, Norman, Black, C. (Corrinda), Walker, S., McIntyre, Linda, Cummins, E. (Ewen) and Hillis, G. S.. (2006) The effectiveness and cost-effectiveness of computed tomography screening for coronary artery disease : systematic review. Health Technology Assessment, Vol.10 (No.39). ISSN 1366-5278
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Official URL: http://www.hta.ac.uk/execsumm/summ1039.htm
Coronary heart disease (CHD) is one of the main causes of mortality and morbidity in the UK and other Western countries. The disease can be asymptomatic until the first event, which may be a fatal myocardial infarction (heart attack). Half of all heart attacks occur in people who have had no prior warning of coronary disease, and almost half will die from the first attack.
Risk scores based on well-known factors such as age, blood pressure, smoking, cholesterol and diabetes have been used to assess risk, but are imperfect: not all high-risk people develop heart disease, and many low-risk people do. Indeed, depending on which cut-off is used to define high risk, most heart attacks occur in low-risk people, because the number of people at low risk is much greater than the number at high risk. There is therefore a need for a better way of identifying those at risk so that they can treat themselves with lifestyle measures, or receive drug therapy such as statins and antihypertensive drugs as appropriate.
Computed tomography (CT) is a form of radiological imaging that can detect calcium deposits in the coronary arteries. This calcification is a marker for CHD, and so CT imaging could be a way of detecting asymptomatic but serious CHD. CT is quick and non-invasive, but does involve a relatively large radiation dose.
|Item Type:||Journal Article|
|Subjects:||R Medicine > RC Internal medicine|
|Divisions:||Faculty of Medicine > Warwick Medical School > Warwick Evidence
Faculty of Medicine > Warwick Medical School > Health Sciences
|Library of Congress Subject Headings (LCSH):||Coronary heart disease -- Diagnosis, Tomography -- Cost effectiveness|
|Journal or Publication Title:||Health Technology Assessment|
|Publisher:||National Coordinating Centre for Health Technology Assessment|
|Official Date:||October 2006|
|Access rights to Published version:||Open Access|
1. Berry E, Kelly S, Hutton J, Harris KM, Roderick P,
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