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双源冠状动脉CT血管成像重度狭窄漏诊和误诊分析 被引量:1

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摘要 目的探讨双源冠状动脉CT血管成像(CTA)重度狭窄漏诊、误诊的原因。方法回顾性分析41例冠状动脉重度狭窄患者的CTA资料,对照选择性冠状动脉造影(SCAG)结果,分析冠状动脉CTA重度狭窄漏诊、误诊的发生率及原因、发生血管节段。结果CTA共误诊34支重度狭窄血管,以右冠状动脉(RCA)误诊率最高。误诊原因以客观因素为主,包括钙化斑块、血管充盈不佳、测量误差、伪影,其次是主观因素(中心线偏离)。CTA共漏诊17支重度狭窄血管,以左前降支(LAD)漏诊率最高。漏诊原因以主观因素(未取血管最窄处测量和人为疏忽)稍优于客观因素(钙化斑块和血管充盈不佳)。在血管狭窄发生节段方面,冠状动脉远段重度狭窄漏诊、误诊均高于近中段。结论冠状动脉CTA重度狭窄误诊以客观因素为主,漏诊原因以主观因素为主。此外,远段血管、钙化斑块是冠状动脉重度狭窄漏诊、误诊率高的主要原因。
出处 《广东医学》 CAS 2020年第14期1489-1492,共4页 Guangdong Medical Journal
基金 梅州市社会发展科技计划项目(2019B020)。
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