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无论在男性或女性,均已确认吸烟是卒中的一个危险因素,然而,关于戒烟时间与卒中危险度之间的关系仅有少数研究报告。有报告戒烟后卒中的危险度可降低到从不吸烟者的水平,但戒烟的时间至少需5～15年。作者对一组中年妇女停止吸烟的时间与卒中危险度的关系进行了前瞻性研究。对象和方法对在1976年时年龄为30～50岁的注册女护士121700人进行了12年(1976～1988年)的追踪观察,这些护士均无冠心病、卒
Smoking has been identified as a risk factor for stroke in both men and women. However, there are only a few studies on the relationship between smoking cessation time and stroke risk. It has been reported that the risk of stroke after quitting smoking can be reduced to that of never smokers, but smoking cessation takes at least 5 to 15 years. The authors conducted a prospective study of the relationship between smoking cessation time and the risk of stroke in a group of middle-aged women. Subjects and Methods Twelve years (1976-1988) of 121,700 registered women nurses aged 30 to 50 years old in 1976 were followed up. None of the nurses had coronary heart disease