单次屏气快速场平面回波成像技术评估心肌桥的可行性研究
Feasibility study on the assessment of myocardial bridges using turbo field echo-echo planar imaging tech-nology
李文婧 1朱佳佳 1朱敏 1刘雯静 1赵艳娥 1胡秋菊1
作者信息
- 1. 210009南京,江苏省省级机关医院放射科
- 折叠
摘要
目的 探索单次屏气快速场平面回波成像(TFE-EPI)序列在心肌桥成像方面的价值.方法 回顾性收集2023年6月至2024年1月在江苏省省级机关医院放射科行非增强冠状动脉磁共振血管成像(NCE-MRA)和冠状动脉计算机断层扫描(CCTA)检查的25例患者.分别采用平衡稳态自由进动序列(BTFE)和TFE-EPI两种序列扫描,以冠脉CTA作为参考标准,比较两种方法在心肌桥显示方面的能力.结果 CCTA和TFE-EPI序列检查中RCA和LAD的长度差异有统计学意义(P<0.001),在BTFE和TFE-EPI序列检查中右冠状动脉和左前降支的长度差异有统计学意义(P=0.006、P<0.001).扫描时间TFE-EPI序列[(17.63±0.83)s]较BTFE序列[(595.00±85.76)s]明显比缩短(P<0.001).两种扫描序列对于心肌桥入口、桥血管和出口的可视化评估Kappa值分别为1.00、1.00、0.896,P值均<0.01.结论 TFE-EPI技术在保证心肌桥显示的情况下大幅度减少扫描时间,在心血管影像学诊断及临床应用中具有重要应用前景.
Abstract
Objective To explore the value of TFE-EPI (turbo field echo-echo planar imaging) sequence in myocardial bridge imaging.Methods A retrospective collection was performed for 25 patients who underwent coronary non-enhanced MRA (non-contrast enhanced magnetic resonance angiography)and CTA(coronary CT angiography)examinations in our hospital from June 2023 to January 2024,and the ability of the two methods in myocardial bridge display was compared with BTFE(balanced turbo field echo)and TFE-EPI,respectively.Results There were significant differences in the length of RCA and LAD in CCTA and TFE-EPI sequences(P<0.001),and there were significant differences in the length of right coronary artery and left anterior descending branch in BTFE and TFE-EPI sequences(P=0.006,P<0.001).The scanning time of TFE-EPI sequence(17.63±0.83)s was significantly short-er than that of BTFE sequence(595.00±85.76)s(P<0.001).The Kappa values of the two scan sequences for visual evaluation of myo-cardial bridge inlet,bridge vessel and outlet were 1.00,1.00 and 0.896,respectively,with P<0.01.Conclusion TFE-EPI sequence can greatly reduce the scanning time while ensuring the display of myocardial bridge,and has an important application prospect in car-diovascular imaging diagnosis and clinical application.
关键词
磁共振成像/冠脉MRA/单次屏气快速场平面回波成像序列/冠状动脉/心肌桥Key words
magnetic resonance imaging/magnetic resonance angiography/TFE-EPI sequences/coronary artery/myocardial bridge引用本文复制引用
出版年
2024
NETL
NSTL
万方数据