Because hypoxic ischemic injury of the brain occurs in cardiac arrest survivors, assessment of oxygen metabolism could be useful. In this work, we analyzed filtered phase images of 2D T2*-weighed gradient echo images in them. Three survivors with good neurologic outcome showed normal pattern of cortical and deep veins, as well as dural sinuses. However, patients with poor outcome showed two abnormal pattern of venous structures on filtered phase images; (1) attenuated contrast of venous structures and (2) strong and exaggerated venous contrast. Filtered phase images of 2D T2*-weighed gradient echo might useful to predict prognosis of cardiac arrest survivors.
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