Application of CCTA Coronal Fai Combined with Upper Chest Supplementary Scanning and Image Wide Field Reconstruction in Coronary Heart Disease Screening

doi:10.7517/issn.1674-0475.220807

Abstract

Abstract: This paper discussed the value of coronary CT angiography (CCTA) in screening coronary heart disease with peripheral fat attenuation index (FAI) combined with upper chest supplementary scanning and image wide field reconstruction. 80 patients with suspected coronary heart disease were selected to receive CCTA and coronary angiography (CAG). After CAG, there were 56 patients with coronary heart disease and 24 patients without coronary heart disease. The FAI value of the coronary heart disease group was significantly lower than that of the non coronary heart disease group (P<0.05). The FAI value of severe stenosis in CHD group was significantly lower than that of mild and moderate stenosis (P<0.05). FAI was negatively correlated with the degree of stenosis (r=－0.511, P<0.05). The area under ROC curve of coronary heart disease predicted by FAI was 0.947 (P<0.05). Forty-six patients with extracardiac lesions were found after wide field reconstruction, and 12 patients with extracardiac lesions were found after supplementary chest scanning, a total of 73 lesions were found. CCTA coronal FAI has good value in the diagnosis of coronary heart disease. At the same time, combined with supplementary upper chest scanning and image large field reconstruction, it is helpful to find the extracardiac lesions.

Key words: ccoronary CT angiography, peripheral fat attenuation index, supplementary upper chest scanning, large field reconstruction, coronary heart disease

JIA Lei, ZHAO Wenxing, WANG Xin, WANG Shengyuan, YANG Lingjun. Application of CCTA Coronal Fai Combined with Upper Chest Supplementary Scanning and Image Wide Field Reconstruction in Coronary Heart Disease Screening[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(6): 1438-1443.

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