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Abstract #0930

Reproducibility Assessment of High Resolution Imaging of Alveolar Oxygen Tension in Human Subjects

Hooman Hamedani1, Kiarash Emami1, Stephen J. Kadlecek1, Yinan Xu1, Yi Xin1, Puttisarn Mongkolwisetwara1, Amy Barulic1, Nicholas N. Kuzma1, Peter Magnusson2, Lise Vejby Sgaard2, Sandra Diaz3, Per keson2, Milton D. Rossman4, Masaru Ishii5, G. Wilson Miller6, Rahim R. Rizi1

1Radiology, University of Pennsylvania, Philadelphia, PA, United States; 2Danish Research Centre for Magnetic Resonance, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark; 3Department of Clinical Sciences, Malm University Hospital, Malm, Sweden; 4Pulmonary, Allergy & Critical Care Division, University of Pennsylvania, Philadelphia, PA, United States; 5OtolaryngologyHead & Neck Surgery, Johns Hopkins University, Baltimore, MD, United States; 6Radiology, University of Virginia, Charlottesville, VA, United States

We have performed a reproducibility assessment for a newly improved high-resolution scheme for alveolar oxygen tension. Our results show that this PAO2 measurement by the HP 3He MRI is a reasonable approximation of the physiological PAO2 and is also reproducible.