摘要
目的评估多层螺旋CT血管造影(CTA)在下肢动脉硬化闭塞症(LEASO)诊断中的应用效果,并与数字减影血管造影(DSA)进行对比分析。方法选择66例下肢动脉硬化闭塞症患者,采用CTA与DSA进行影像学检查,比较两者对病变血管节段数量、部位分布、狭窄程度及斑块类型的检出效果。结果CTA与DSA对病变血管节段的检出一致性高(Kappa=0.82),对中度、重度狭窄及完全闭塞的检出符合率超过95%。CTA对钙化斑块的检出率为98.4%,但对软斑块的漏诊率较高。结论CTA在下肢动脉硬化闭塞症的诊断中具有较高的灵敏度和特异度,可作为DSA的有效补充或常规筛查工具。
Objective To evaluate the diagnostic efficacy of multi-slice spiral CT angiography(CTA)in lower extremity atherosclerosis obliterans(LEASO),and to compare it with digital subtraction angiography(DSA).Methods Sixty-six patients with lower extremity LEASO were enrolled.Both CTA and DSA imaging techniques were used to compare their detection accuracy in terms of the number of affected vascular segments,distribution patterns,degree of stenosis,and plaque types.Results CTA and DSA demonstrated high concordance in detecting affected vascular segments(Kappa=0.82),with detection rates exceeding 95%for moderate-to-severe stenosis and complete occlusion.CTA achieved 98.4%detection rate for calcific plaques but showed higher false-negative rates for soft plaques.Conclusion CTA demonstrates superior sensitivity and specificity in LEASO diagnosis,serving as an effective complementary or routine screening tool to DSA.
作者
吴晶
Wu Jing(Eighth Affiliated Hospital of Sun Yat-sen University,Shenzhen,Guangdong 518033,China)
出处
《首都食品与医药》
2026年第1期72-74,共3页
Capital Food Medicine
关键词
下肢动脉硬化闭塞症
CT血管造影
检查效果
Lower extremity arteriosclerosis occlusive disease
CT angiography
examination effect
