Abstract #4354

A Comparison of Hyperpolarized Helium-3 and Xenon-129 MR Fractional Ventilation Imaging

Hooman Hamedani¹, Kai Ruppert¹, Yi Xin¹, Stephen Kadlecek¹, Faraz Amzajerdian¹, Ryan Baron¹, Ian Duncan¹, Luis Loza¹, Mehrdad Pourfathi¹, Sarmad Siddiqui¹, Harrilla Profka¹, Mary Spencer¹, Tahmina Achekzai¹, Maurizio Cereda², and Rahim R. Rizi¹

¹Radiology, University of Pennsylvania, Philadelphia, PA, United States, ²Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States

In response to the global shortage of ³He, we studied the feasibility and safety of performing a multi-breath wash-in MR imaging technique to measure fractional ventilation using hyperpolarized (HP) ¹²⁹Xe in the same manner as with ³He.

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