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于年轻时开始的冠状动脉粥样硬化性心脏病,经多年进入症状期,在第1次出现症状时,大多数病例已有2～3支血管受累,近1/3患者以猝死为首发症状。本文重温435例(年龄≤50岁)经冠状动脉造影的年轻患者的危险因子。方法 435例分两组:①335例冠心病患者,中数年龄45岁,男性占88%,至少1支冠状动脉管腔直径狭窄>50%,其中41%以往有心肌梗塞。②100例中数年龄43岁,男性占58%,血管造影为正常冠状动脉,以往无心肌梗塞。危险因子①吸烟:本文应用的吸烟年数为吸烟包一年数(每日包数与年乘积)。目前吸烟情况指冠状动脉造影前1周内。②家族史:作者仅考虑年龄≤
Coronary atherosclerotic heart disease, which begins at a young age, enters the symptomatic stage for many years. In the first symptom, 2 to 3 vessels have been involved in most cases and sudden death as the first symptom in nearly one third of the patients . We retrospectively reviewed the risk factors for young patients undergoing coronary angiography in 435 patients (≤50 years of age). Methods 435 patients divided into two groups: ① 335 patients with coronary heart disease, the median age of 45 years, 88% of men, at least 1 coronary artery stenosis> 50%, of which 41% had myocardial infarction in the past. ② 100 cases in the number of 43-year-old, 58% of men, angiography as normal coronary artery, the past without myocardial infarction. Risk factors ① smoking: The number of smoking years used in this paper is the number of smoking packets a year (the number of packets per day and the annual product). The current smoking situation refers to within 1 week before coronary angiography. ② family history: the author only consider the age ≤