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(Circulation. 2005;112:3373-3374.)
© 2005 American Heart Association, Inc.

Editorial

Combined Effects of Systolic Blood Pressure and Total Cholesterol on Cardiovascular Disease Risk

Sarah Lewington, DPhil; Robert Clarke, MD

From the Clinical Trial Service Unit and Epidemiological Studies Unit, University of Oxford, Oxford, UK.

Correspondence to Dr Sarah Lewington, CTSU, Richard Doll Building, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford OX3 7LF, UK. E-mail sarah.lewington@ctsu.ox.ac.uk

Key Words: Editorials • blood pressure • cholesterol • cardiovascular diseases • meta-analysis

An extract of the first 250 words of the full text is provided, because this article has no abstract.

Half of all adult deaths (and much severe disability) are caused by cardiovascular diseases, and most of these deaths involve ischemic heart disease or stroke. The Asia-Pacific region accounts for about half of the global burden of cardiovascular disease and the proportion is likely to increase during the next few decades.^1,2 Smoking and elevated levels of systolic blood pressure (SBP) and total blood cholesterol are major causes of cardiovascular disease,³ yet much of our knowledge about the associations between these risk factors and cardiovascular diseases comes from studies carried out in North American and western European countries. In most Asian countries, however, the mean levels of total cholesterol are lower than those found in Western countries and the incidence of coronary heart disease (CHD) is also lower, whereas the incidence of stroke, particularly hemorrhagic stroke, is higher.

Article p 3384

The Asia Pacific Cohort Studies Collaboration report in this issue of Circulation investigates the combined effects of SBP and total cholesterol on risk of cardiovascular disease in a meta-analysis of 36 cohort studies (29 conducted in Asia and 7 from Australia and New Zealand) involving 380 000 individuals.⁴ This meta-analysis differs from previous studies in several ways: It is the largest study from this region, involving >3000 CHD events and 4000 stroke events; individual records were available for each of the participants in each study, with cause and age of death (if applicable); and information on several thousand repeat measurements of blood pressure and cholesterol made during prolonged follow-up allowed . . . [Full Text of this Article]