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首页> 外文期刊>Circulation journal >Clinical significance of aortic knob width and calcification in unstable angina.
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Clinical significance of aortic knob width and calcification in unstable angina.

机译：不稳定型心绞痛的主动脉瘤宽度和钙化的临床意义。

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BACKGROUND: Chest radiography is a routine examination evaluating those patients with chest pain. There are few data about the correlation between aortic knob width, calcification and coronary atherosclerosis. METHODS AND RESULTS: The aortic knob width was measured and the presence of aortic knob calcification was assessed via a chest posteroanterior view in 178 consecutive patients. The aortic knob width and calcification were compared to the risk factor and the extent of coronary artery disease. Patient's age (69.5+/-7.95 vs 61.1+/-10.29 years, p=0.010), the prevalence of hypertension (65.9 vs 46.3%, p=0.024) and diabetes (43.2 vs 26.1%, p=0.033), the level of total cholesterol (196.8+/-63.21 vs 188.6+/-44.45 mg/dl, p=0.049) and the incidence of multi-vessel disease (65.9 vs 38.1%, p<0.001) were higher in patients with aortic knob calcification than in patients without calcification. The aortic knob width and the prevalence of aortic knob calcification were significantly correlated with the severity of coronary artery disease. Multivariate analysis demonstrated that aortic knob calcification and diabetes were independent factors for multi-vessel disease (p=0.018 and p=0.012). CONCLUSIONS: The observation of aortic knob on a chest radiograph can provide important predictive information of coronary atherosclerosis.
机译：背景：胸部放射线照相术是一项常规检查，评估那些患有胸痛的患者。关于主动脉瘤宽度，钙化与冠状动脉粥样硬化之间的相关性的数据很少。方法和结果：测量了178例连续患者的主动脉瘤宽度，并通过胸部后前视图评估了主动脉瘤钙化的存在。将主动脉瘤宽度和钙化与危险因素和冠状动脉疾病的程度进行比较。患者年龄（69.5 +/- 7.95 vs 61.1 +/- 10.29岁，p = 0.010），高血压的患病率（65.9 vs 46.3％，p = 0.024）和糖尿病（43.2 vs 26.1％，p = 0.033），主动脉瘤钙化患者的总胆固醇（196.8 +/- 63.21 vs 188.6 +/- 44.45 mg / dl，p = 0.049）和多支血管疾病的发生率（65.9 vs 38.1％，p <0.001）均高于主动脉瘤钙化患者没有钙化的患者。主动脉瘤宽度和主动脉瘤钙化的发生率与冠状动脉疾病的严重程度显着相关。多因素分析表明，主动脉瘤钙化和糖尿病是多支血管疾病的独立因素（p = 0.018和p = 0.012）。结论：胸部X光片上主动脉瘤的观察可为冠状动脉粥样硬化提供重要的预测信息。

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