Aortic Dissection With 4-dimensional Phase-contrast Magnetic Resonance Imaging

The exclusion criteria were non-MRI-compatible ferromagnetic devices and pregnancy. In addition, patients with poor compliance and with unstable status that prevented them from lying down for the MRI protocol were excluded. Initially, 26 patients evaluated. One patient was excluded due to fever at the scheduled time, and another was unable to lie down due to complicated spine disease. All patients underwent CTA scan on a 64-slice multidetector scanner (Somatom Sensation 64; Siemens Healthcare, Erlangen, Germany) with the intravenous administration of contrast media, followed by 4D PC-MRI to assess aortic pathology