High-resolution 3D non-contrast-enhanced, ECG-gated, multi-step MR angiography of the lower extremities: Comparison with contrast-enhanced MR angiography

• Published in: European radiology 2011-02, Vol.21 (2), p.434-442
• Main Authors: Mohrs, Oliver K., Petersen, Steffen E., Heidt, Martin C., Schulze, Thomas, Schmitt, Peter, Bergemann, Sabine, Kauczor, Hans-Ulrich
• Format: Article
• Language: English
• Subjects: Adult; Aged; Atherosclerosis - pathology; Bandwidths; Cardiac arrhythmia; Cardiac-Gated Imaging Techniques - methods; Contrast agents; Contrast Media; Coronary vessels; Datasets; Diagnostic Radiology; Disease; Electrocardiography; Female; Health care industry; Humans; Image Enhancement - methods; Imaging; Imaging, Three-Dimensional - methods; Internal Medicine; Interventional Radiology; Lower Extremity - blood supply; Lower Extremity - pathology; Magnetic resonance imaging; Magnetic Resonance Imaging - methods; Male; Medical imaging; Medicine; Medicine & Public Health; Neuroradiology; Organometallic Compounds; Peripheral Arterial Disease - pathology; Radiation; Radiology; Reproducibility of Results; Sensitivity and Specificity; Ultrasound; Vascular-Interventional
• ISSN: 0938-7994; 1432-1084
• DOI: 10.1007/s00330-010-1932-2

Objective To determine the diagnostic value of non-contrast-enhanced, 3D-high-resolution, ECG-gated, multi-step MR angiography (non-ceMRA) of the lower extremities using a modified turbo-spin-echo technique in comparison to 1.0-molar contrast-enhanced MR angiography (ceMRA) in patients with suspected peripheral vascular disease (PVD). Methods Fifty consecutive patients underwent non-ceMRA before ceMRA within the same session. We assessed examination time, image quality, localisation and severity of stenosis. Results Examination time was shorter for ceMRA (12 ± 4 min) compared with non-ceMRA (28 ± 6 min, p