Cardiovascular highlights from non-cardiology journals
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GENERAL CARDIOLOGY
A causal relationship between smoking and cardiovascular death is well established. But, for those patients who successfully stop smoking, are the detrimental effects fully reversible? And if so, how quickly do the benefits become apparent?
A total of 104 519 patients from the Nurses Health Study were followed up between 1980 and 2004, during which 12 483 deaths occurred. Of these, 4485 (35.9%) were people who had never smoked, 3602 (28.9%) were current smokers and 4396 (35.2%) were past smokers. As expected, a relationship was found between the risk of death and the number of cigarettes a day; however, this trend was found to be less pronounced for vascular disease, suggesting that even a few cigarettes may account for most of the associated increase in vascular risk. Similarly, the age at which a participant started smoking seemed to have less of an influence on the risk of death from vascular
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