文档介绍：.1673-,2014,34(1):84-87非对比剂增强肾非对比剂增强肾动脉动脉MRAMRA诊断诊断老年老年肾动脉狭窄的可行性肾动脉狭窄的可行性徐贤,安宁豫,陈穗惠,李雪,江波,韩邵君,刘新球解放军总医院南楼放射科,北京100853Feasibility of non-contrast enhanced ic resonance angiography for diagnosis of renalartery stenosis in elderly patientsXU Xian, ANNingyu, CHEN Suihui, LI Xue, JIANG Bo, HANShaojun, LIU XinqiuSouth Building Department of Radiology, General Hospital of PLA, Beijing100853, China摘要:目的评估流入反转恢复稳态自由进动(IFIR-FIEASTA)序列诊断老年患者肾动脉狭窄的效能。方法对27例老年患者进行三维对比增强磁共振血管成像(3DCE-MRA)和IFIR-FIEASTA扫描,比较两种检查方法的图像质量,采用Kappa分析检验IFIR-FIEASTA和CE-MRA诊断肾动脉狭窄的一致性。以CE-MRA为金标准,评估IFIR-FIEASTA诊断肾动脉狭窄的敏感度、特异度、准确率、阳性预测值和阴性预测值。结果两种检查方法的图像质量均100%达到诊断要求,但CE-MRA的图像质量显著优于IFIR-FIEASTA。CE-MRA和IFIR-FIEASTA诊断肾动脉狭窄的一致性好;IFIR-FIEASTA诊断肾动脉狭窄的敏感度、特异度、准确率、%、100%、%、100%和95%。结论IFIR-FIEASTA诊断老年患者肾动脉狭窄的可行性很高,临床实用性强。关键词:肾动脉狭窄;磁共振血管成像;老年人;流入反转恢复Abstract: ObjectiveTo evaluate the diagnostic efficacy of IFIR-FIESTA technique in detecting renal artery stenosis in - seven aged patients underwent both IFIR- FIESTA and3D CE-MRA examinations. The imagingquality and renal artery stenosis grades were evaluated. Kappa test was used to assess the consistency between the twomethods. With CE-MRA as the reference, the diagnostic sensitivity, specificity, accuracy, PPV and NPV for IFIR-FIESTA werecalculated in detecting renal artery