3D FIESTA pulse sequence for assessing renal artery stenosis: is it a reliable application in unenhanced magnetic resonance angiography?

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• 作者：Caterina Gaudiano (1)
  Fiorenza Busato (1)
  Emiliana Ferramosca (2)
  Carlo Cecchelli (1)
  Beniamino Corcioni (1)
  Lucia Barbara De Sanctis (2)
  Antonio Santoro (2)
  Rita Golfieri (1)
  
• 关键词：Renal artery stenosis ; Contrast ; enhanced magnetic resonance angiography ; Non ; enhanced magnetic resonance angiography ; 3D FIESTA ; Steady ; state free precession
• 刊名：European Radiology
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：24
• 期：12
• 页码：3042-3050
• 全文大小：877 KB
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• 作者单位：Caterina Gaudiano (1)
  Fiorenza Busato (1)
  Emiliana Ferramosca (2)
  Carlo Cecchelli (1)
  Beniamino Corcioni (1)
  Lucia Barbara De Sanctis (2)
  Antonio Santoro (2)
  Rita Golfieri (1)
  
  1. Radiology Unit, Department of Digestive Diseases and Internal Medicine, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
  2. Nephrology Dialysis and Hypertension Unit, University of Bologna, Via Palagi, 9, 40138, Bologna, Italy
  
• ISSN：1432-1084

文摘

Objectives To assess the capability of the three-dimensional (3D) Fast Imaging Employing Steady-State Acquisition (FIESTA) sequence in evaluating renal artery stenosis (RAS). Methods We retrospectively analysed 79 patients referred for suspected RAS, examined by 3D FIESTA and contrast-enhanced magnetic resonance angiography (CE-MRA), using a 1.5T whole-body scanner. Image quality was assessed as well as the presence and grade of RAS. Patients with RAS?≥-0?% were evaluated for possible digital subtraction angiography (DSA). Sensitivity, specificity, negative predictive value (NPV), positive predictive value (PPV), and accuracy of 3D FIESTA were calculated with ROC analysis using CE-MRA and DSA as the standard of reference. Results A total of 186 renal arteries were assessed; 36 had RAS?≥-0?% demonstrated by CE-MRA. Ten patients underwent DSA, for a total evaluation of 22 arteries. Sensitivity, specificity, NPV, PPV, and accuracy of 3D FIESTA were 91.7?%, 100?%, 98?%, 100?%, and 98?%, respectively, as compared to CE-MRA, and 88.2?%, 100?%, 71.4?%, 100?%, and 91?%, respectively, as compared to DSA. The area under the ROC curve (AUC) of 3D FIESTA as compared to CE-MRA and DSA was 0.958 and 0.941, respectively. Conclusions Our study demonstrated the capability of the 3D FIESTA sequence in evaluating RAS, with high-quality images and good diagnostic accuracy. Key Points -The 3D FIESTA sequence provides a robust evaluation of RAS. -The 3D FIESTA sequence allows non-invasive evaluation of the renal arteries. -The 3D FIESTA sequence could be a useful tool in evaluating RAS.