Oxygen Extraction Fraction Measurement using Quantitative Susceptibility Mapping in Patients with Chronic Cerebral Ischemia : Comparison with Positron Emission Tomography

mean ± SD mean ± SD Patients Affected Side 46.9 ± 8.6 36.1 ± 5.6 Contralateral Side 44.6 ± 7.5 34.7 ± 5.2 Normal Subjects N.A. 34.3 ± 2.1 PET-OEF QSM-OEF 1568 Oxygen Extraction Fraction Measurement using Quantitative Susceptibility Mapping in Patients with Chronic Cerebral Ischemia: Comparison with Positron Emission Tomography Kohsuke Kudo, Tian Liu, Jonathan Goodwin, Ikuko Uwano, Fumio Yamashita, Satomi Higuchi, Noriyuki Fujima, Yi Wang, Kuniaki Ogasawara, Akira Ogawa, and Makoto Sasaki Diagnostic and Interventional Radiology, Hokkaido University Hospital, Sapporo, Hokkaido, Japan, Ultra-High Field MRI, Iwate Medical University, Morioka, Iwate, Japan, Radiology, Weill Cornell Medical College, NY, United States, Neurosurgery, Iwate Medical University, Morioka, Iwate, Japan