Abstract #1187

Oxygen-enhanced pulmonary relaxometry using ultra-fast steady-state free precession imaging

Grzegorz Bauman^1,2, Orso Pusterla^1,2, Francesco Santini^1,2, and Oliver Bieri^1,2

¹Division of Radiological Physics, Department of Radiology, University of Basel Hospital, Basel, Switzerland, ²Department of Biomedical Engineering, University of Basel, Basel, Switzerland

This study demonstrates the feasibility of fast and simultaneous T1 and T2 mapping of the lung parenchyma in oxygen-enhanced MRI. The data acquisition was performed using an adapted 2D inversion recovery ultra-fast steady-state free precession imaging in healthy human subjects. Relaxation time maps were generated for normoxic and hyperoxic acquisitions. Statistical analysis was performed to compare the relaxation times in the lung parenchyma for both gas conditions.

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