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颈动脉粥样硬化斑块形态的CT成像分析 被引量:6

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摘要 目的回顾性分析经宝石能谱CT检查的100例患者颈动脉粥样斑块的形态及分布特点,探讨不同类型斑块与脑梗死的发病率、梗死部位的相关性,拟从形态学上界定易损斑块。方法对符合纳入标准的100例患者CTA图像进行分析。按Ambrose分型法将粥样斑块分成Ⅰ、Ⅱ、Ⅲ型。对不同类型斑块的发生率、发生部位及形态特点进行统计学分析,分析与脑梗死的发生与梗死部位的相关性。结果三种不同类型粥样斑块在颈部血管中发病率和好发部位各不相同。厚度≥2 mm的Ⅰ、Ⅱ型斑块之间内膜钙化发生率具有统计学差异;伴内膜钙化者与脑梗死发生有相关性。结论颈动脉CTA可提供高分辨率图像,可清晰地显示血管内膜钙化。颈部不同形态粥样斑块发病率及好发部位各不相同,仅根据斑块形态不能推测出发生缺血性脑血管病的危险性,但伴内膜钙化的斑块可从形态学上界定为易损斑块,为脑梗死发生的危险因素。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2013年第3期502-504,共3页 Chinese Journal of Gerontology
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