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不同CT图像后处理技术联合应用在主动脉夹层诊断中的效能

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目的:分析不同CT图像后处理技术联合应用在主动脉夹层(AD)诊断中的效能.方法:选取 2019 年 8 月至 2021 年 8 月该院收治的 196 例疑似AD患者进行前瞻性研究,患者入院后均行CT、磁共振成像(MRI)检查和AD分型评估,以MRI检查结果为"金标准",比较不同CT图像后处理技术[多平面重建(MPR)、容积再现(VR)、曲面重建(CPR)]单项及联合应用在AD诊断中的效能及对AD分型的检出率.结果:196 例疑似AD患者,MRI检查诊断阳性 142 例(其中Ⅰ型 25 例,Ⅱ型 33 例,Ⅲ型 84 例),阴性 54 例;MPR诊断阳性 118 例,阴性 78 例;VR诊断阳性 102 例,阴性 94 例;CPR诊断阳性 124 例,阴性 72 例;MPR、VR联合CPR诊断阳性139 例,阴性 57 例;MPR、VR联合CPR诊断AD的灵敏度、准确度、阴性预测值均高于三者单项应用,漏诊率低于三者单项应用,差异有统计学意义(P<0.05);MPR、VR联合CPR对Ⅱ、Ⅲ型AD的检出率最高,且其高于MPR、VR单项应用,差异有统计学意义(P<0.05).结论:MPR、VR联合CPR诊断AD的效能高于三者单项应用.
Efficiencies of combined examination of different CT image post-processing techniques in diagnosis of aortic dissection
Objective:To analyze efficiencies of different CT image post-processing techniques in the diagnosis of aortic dissection(AD).Methods:A prospective study was conducted on 196 patients with suspected AD admitted to the hospital from August 2019 to August 2021.All patients underwent CT,magnetic resonance imaging(MRI)examination and AD classification evaluation after admission.Using the MRI results as the'gold standard',the efficiencies of different CT image post-processing techniques[multi-plane reconstruction(MPR),volume rendering(VR),surface reconstruction(CPR)]in the diagnosis of AD and the detection rates of AD classification were compared.Results:Among the 196 patients with suspected AD,142 cases were diagnosed as positive by MRI(25 cases of type Ⅰ,33 cases of type Ⅱ,84 cases of type Ⅲ),and 54 cases were negative.MPR examination showed 118 positive cases and 78 negative cases.VR examination diagnosed 102 cases positive and 94 cases negative.CPR showed 124 positive cases and 72 negative cases.The combined examination of MPR,VR and CPR diagnosed 139 cases positive and 57 cases negative.The sensitivity,accuracy and negative predictive value of MPR,VR and CPR combined examination in the diagnosis of AD were higher than those of the three single examinations,the missed diagnosis rate was lower than that of the three single examinations,and the differences were statistically significant(P<0.05).The detection rate of MPR,VR and CPR combined examination for type Ⅱ and Ⅲ AD was the highest,it was higher than that of MPR and VR single examination,and the differences were statistically significant(P<0.05).Conclusions:The efficiency of combined examination of MPR,VR and CPR in the diagnosis of AD is higher than that of single examination of the three.

CTPost-processing technologymulti-plane reconstructionVolume renderingSurface reconstructionAortic dissectionEfficiency

李雪蕊

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南阳医学高等专科学校第二附属医院 南阳医专附属中医院介入科,河南 南阳 473000

CT 后处理技术 多平面重建 容积成像 曲面重建 主动脉夹层 效能

2024

中国民康医学
中国社会工作协会

中国民康医学

影响因子:0.649
ISSN:1672-0369
年,卷(期):2024.36(5)
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