Value of 128-slice spiral CT in evaluation of coronary plaque stability
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摘要: 目的 探讨128层螺旋CT在评价冠状动脉斑块稳定性中的应用价值。 方法 选择经CT检查确诊冠心病的163例患者作为研究对象,根据患者的不同诊断结果将其分为对照组和观察组。对照组78例为急性冠状动脉综合征,观察组85例为稳定性心绞痛。比较2组患者的斑块数量、种类、CT值及正向重构率。 结果 163例患者共检测出斑块365个,其中对照组175个,观察组190个;观察组Ⅰ型斑块占比显著高于对照组, Ⅱ型、Ⅲ型斑块占比显著低于对照组(P<0.05); 观察组CT值为(68.23±9.02)HU, 显著高于对照组的(28.98±9.50)HU(P<0.05); 观察组正向重构率为25.26%, 显著低于对照组的57.14%(P<0.05)。 结论 将128层螺旋CT应用于冠心病患者,能有效观察并鉴别斑块的稳定性。Abstract: Objective To explore the application value of 128-slice spiral CT in evaluating the stability of coronary plaque. Methods A total of 163 patients confirmed as coronary heart disease diagnosed by CT in our hospital were selected as study objects. They were divided into control group and observation group according to different diagnosis results, and 78 patients with acute coronary arteries syndrome were included in the control group, while 85 patients with stable angina pectoris were in the observation group. The number, types, CT value, and positive reconstruction rate of the plaque were compared between the two groups. Results A total of 365 plaques were detected in 163 patients in two groups, including 175 plaques in the control group and 190 plaques in the observation group. The proportion of type I plaques in the observation group was higher than that of the control group, and the proportions of type Ⅱ and Ⅲ plaques were significantly lower than that of the control group(P<0.05). The CT value of the observation group was(68.23±9.02)HU, which was significantly higher than(28.98±9.50)HU in the control group, and the difference was statistically significant(P<0.05). The positive reconstruction rate of the observation group was significantly lower than that in the control group, the difference was statistically significant(25.26% vs. 57.14%, P<0.05). Conclusion The 128-slice spiral CT applied in patients with coronary heart disease can help to effectively observe and identify the stability of plaques.
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Keywords:
- 128-slice spiral CT /
- coronary artery plaques /
- coronary heart disease /
- stability
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