Plaques in the descending aorta – a new risk factor for stroke? Visualization of embolization pathways in the thoracic aorta by 4D MRI at 3T
A Harloff, C Strecker, P Dudler, A Frydrychowicz, A Hetzel, A Geibel, C Weiller, J Hennig, M Markl · Aktuelle Neurologie · 2007 · Heft 09
Bibliografische Angaben
Zusammenfassung
Background: High-risk plaques of the descending aorta (i.e., ≥4mm, thrombi) have received limited attention as a source of embolic stroke. Furthermore, a detailed in vivo analysis of local vascular hemodynamics at the site of aortic thrombi has not yet been performed. Thus, we aimed to visualize individual aortic flow channels in patients with aortic high-risk plaques by time-resolved 3D MRI. Methods: 77 acute stroke patients were prospectively included. On a 3T system (TRIO, Siemens, Germany) plaques were localized by T1-weighted 3D gradient echo sequence (isotropic spatial resolution 1mm) covering the thoracic…
