双源CT冠状动脉成像管腔强化CT密度值对冠状动脉狭窄程度的评估价值  

Value of Lumen Enhanced CT Density of Dual Source CT Coronary Angiography in Evaluating Degree of Coronary Artery Stenosis and Influencing Factors

作　　者：王马乃 WANG Manai(Zhengzhou Yangcheng Hospital,Zhengzhou Henan 452470)

机构地区：[1]郑州阳城医院,河南郑州452470

出　　处：《医学临床研究》2024年第7期994-997,共4页Journal of Clinical Research

摘　　要：【目的】探讨双源CT冠状动脉成像管腔强化CT密度值对冠状动脉狭窄程度的评估价值。【方法】回顾性分析2019年3月至2022年3月本院收治的102例冠状动脉狭窄患者的临床资料,根据冠状动脉狭窄程度将其分为轻度狭窄组、中度狭窄组和重度狭窄组,双源CT冠状动脉成像检查计算管腔近端与远端CT强化密度值。采用Spearman相关性分析法分析腔内CT强化值与管腔狭窄程度的相关性,以受试者工作特征(ROC)曲线下面积(AUC)评估强化CT密度值对管腔内狭窄程度的评估价值,采用Logistic多因素回归分析影响双源CT冠脉造影评估冠状动脉狭窄的相关因素。【结果】中度狭窄组和重度狭窄组CT强化值差值均高于轻度狭窄组(P<0.05)。Spearman相关性分析显示,腔内CT强化值与管腔狭窄程度呈正相关(P<0.05)。ROC曲线分析显示,强化CT密度值评估管腔内狭窄程度的曲线下面积(AUC)为0.842(95%CI:0.756~0.929)。Logistic多因素回归分析显示,Agatston积分升高、心率变异性>15次/min、体重指数>25 kg/m^(2)、静脉污染、腔内CT强化密度差值升高均为干预双源CT冠脉造影评估冠脉狭窄结果的危险因素(P<0.05)。【结论】管腔强化CT密度值可有效提高双源CT冠状动脉成像评估冠状动脉狭窄的准确性。【Objective】To explore the value of lumen enhanced CT density of dual source CT coronary angiography in evaluating the degree of coronary artery stenosis,and analyze the relevant factors affecting the evaluation of coronary artery stenosis by dual source CT coronary angiography.【Methods】The medical records of 102 patients with coronary artery stenosis admitted to our hospital from March 2019 to March 2022 were retrospectively analyzed.According to the degree of coronary artery stenosis,they were divided into mild stenosis group,moderate stenosis group and severe stenosis group.The CT enhanced density values of proximal and distal lumens were calculated by dual source CT coronary angiography.Spearman correlation analysis was used to analyze the correlation between intraluminal CT enhancement value and the degree of lumen stenosis.The area under the receiver operating characteristic(ROC)curve(AUC)was used to evaluate the value of enhanced CT density in evaluating the degree of intraluminal stenosis.In addition,logistic regression analysis was used to analyze the related factors affecting the evaluation of coronary stenosis by dual source CT coronary angiography.【Results】Lumen enhanced CT density in the moderate stenosis and severe stenosis group were higher than that in the mild stenosis group(P<0.05).Spearman correlation analysis showed that the enhancement value of intraluminal CT was positively correlated with the degree of lumen stenosis(P<0.05).ROC analysis showed that the AUC of enhanced CT density value for ROC diagnosis of intraluminal stenosis was 0.842(95%CI:0.756-0.929).Logistic stepwise multivariate regression analysis showed that Agatston score increased,heart rate variability>15 beats/min,body mass index>25 kg/m^(2),venous pollution,and the increase of contrast-enhanced density of intracavitary CT were risk factors for intervention of dual source CT coronary angiography to evaluate coronary stenosis(P<0.05).【Conclusion】Lumen enhanced CT density can improve the accuracy of dual source CT

关 键 词：冠状动脉狭窄/影像诊断 冠状血管造影术 体层摄影术 螺旋计算机 

分 类 号：R541.4[医药卫生—心血管疾病]