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Accelerated, free-breathing, contrast-enhanced thoracic MR angiography with XD-GRASP reconstruction
Suvai Gunasekaran1, Hassan Haji-Valizadeh2, Bradley Allen1, Ryan Avery1, and Daniel Kim1
1Northwestern University, Chicago, IL, United States, 2Harvard University, Boston, MA, United States
9.6-fold accelerated inversion-recovery (IR) contrast-enhanced thoracic MR angiography significantly reduced scan time by half compared to the clinical IR navigated CE-MRA while maintaining clinically acceptable image quality.
Figure 3. Representative images for CE-MRA for six patients. (A-C) Patients with clinical IR-NAV CE-MRA and (D-F) patients with accelerated IR CE-MRA.
Figure 2. Representative images for CE-MRA for two patients. Patient 1 received the (A) clinical Breath-Held ECG-gated CE-MRA and the (B) clinical IR-NAV CE-MRA. Patient 2 received the (C) clinical Breath-Held ECG-gated CE-MRA and the (D) accelerated IR CE-MRA.