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[摘要]：In mid-20th century, several streams of knowledge converged to create the new academic discipline of cardiovascular disease epidemiology and the new practice of preventive cardiology. One stream was modern cardiology, with the ability to diagnose myocardial infarction, to characterize and count its victims, and to report vital statistics on cardiovascular causes of death. Another stream came from burgeoning clinical and laboratory research and greater understanding of the underlying processes of atherosclerosis and hypertension. A third stream came from the observations of intellectually curious "medical Marco Polos," who brought back from travels their tales of unusual population frequencies of heart attacks, along with ideas about sociocultural causes. This led to more formal research about cardiovascular disease risk and causes among populations and about mechanisms in the clinic and laboratory. The broad river of investigation thus formed produced a risk paradigm of the multiple biologic, behavioral, and societal factors in causal pathways to the common cardiovascular diseases. An evidence base was built for sound clinical and public health approaches to prevention. Here, the author tells brief stories about 5 early and particularly observant world travelers and their influence on knowledge and thinking about prevention. (C) 2012 Published by Elsevier Inc. All rights reserved. (Am J Cardiol 2012;109:756-767) |
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