冠脉搭桥后心脏结构与功能CT影像学评价和临床相关影响因素分析

doi:10.7517/issn.1674-0475.200804

摘要/Abstract

摘要： 本文研究冠脉搭桥术后心脏结构与功能CT影像学评价和临床相关影响因素。以行冠脉搭桥术的冠心病患者46例为研究对象，根据EDV、ESV、SV、EF改善情况，将其分为改善组和未改善组。对比两组性别、年龄、高血压病史、糖尿病病史、吸烟率、TC、TG、HDL-C、冠脉狭窄，以及病变节段收缩期室壁增厚率。结果发现，EF未改善组糖尿病和冠脉狭窄占比均较改善组高，而室壁增厚率较改善组低，P<0.05。EF改善与糖尿病、冠脉狭窄呈负相关（P<0.05），与病变节段收缩期室壁增厚率呈正相关（P<0.05），ESV改善与TC、TG呈负相关（P<0.05）。EF改善与糖尿病、冠脉狭窄、病变节段收缩期室壁增厚率有关，ESV改善与TC、TG有关。

关键词: 冠脉搭桥术, 心脏结构, CT, 心功能

Abstract: This study is to analyze the evaluation of CT imaging and clinical related factors of cardiac structure and function after coronary artery bypass grafting. 46 patients with coronary heart disease were included in the study. These patients underwent coronary artery bypass grafting. The improvement of EDV, ESV, SV and EF were observed by dual source CTA before and after operation, and these patients were divided into improved group and unimproved group. Gender, age, history of hypertension, history of diabetes, smoking rate, TC, TG, HDL-C, coronary stenosis and systolic wall thickening rate of lesion segments were compared between the two groups. The results showed that the proportion of diabetes and coronary artery stenosis in the EF unimproved group was higher than that in the improved group, but the ventricular wall thickening rate was lower than that in the improved group (P<0.05). The improvement of EF was negatively correlated with diabetes and coronary stenosis (P<0.05), and positively correlated with the systolic wall thickening rate of lesion segments (P<0.05), and the improvement of ESV was negatively correlated with TC and TG (P<0.05). Thus, the improvement of EF is related to diabetes, coronary artery stenosis and the systolic wall thickening rate of lesion segments. The improvement of ESV is related to TC and TG.

Key words: coronary artery bypass graft, heart structure, CT, heart function

牛艳, 靳春荣. 冠脉搭桥后心脏结构与功能CT影像学评价和临床相关影响因素分析[J]. 影像科学与光化学, 2021, 39(2): 305-309.

NIU Yan, JIN Chunrong. CT Imaging Evaluation of Cardiac Structure and Function after Coronary Artery Bypass Graft and Analysis of Related Clinical Factors[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(2): 305-309.

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