非增强磁共振血管成像在肾动脉狭窄评估方面的价值研究
收稿日期: 2018-11-12
网络出版日期: 2019-02-25
基金资助
基于MR微血管成像技术在体研究肝纤维化发展过程中血管生成的作用(2014075)
Value of non-enhanced magnetic resonance angiography in assessing renal artery stricture
Received date: 2018-11-12
Online published: 2019-02-25
关键词: 肾动脉; 狭窄; 磁共振血管成像; 非增强磁共振血管成像
刘方韬, 齐晓凤, 徐学勤, 黄娟, 董海鹏, 倪根雄, 周雯, 孔德艳 . 非增强磁共振血管成像在肾动脉狭窄评估方面的价值研究[J]. 诊断学理论与实践, 2019 , 18(1) : 72 -76 . DOI: 10.16150/j.1671-2870.2019.01.014
Objective: To study the value of non-enhanced MRA in assessment of renal artery stricture. Methods: A total of 73 patients with clinically suspected renal artery stricture undergone magnetic resonance angiography were enrolled. The 1.5T MR device combined with respiratory triggering technique was used to perform non-enhanced MRA and then enhanced MRA imaging was undertaken. The two imaging results were compared and analyzed for image quality, consistency of renal artery stricture evaluation and display of branches of renal artery. Results: There was no statistically significant difference in image quality between non-enhanced MRA and enhanced MRA of renal artery.In the evaluation of renal artery stricture, the two were in good agreement (Kappa value 0.98), The non-enhanced MRA showed better renal artery branches than enhanced MRA (P<0.001). Conclusions: Non-enhanced MRA can fully display the renal artery stricture, and it is superior to enhanced MRA in displaying renal artery branches. Therefore,non-enhanced MRA is of great importance in clinical practice.
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