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A, Schema of patient selection and purpose of brain MRI examination or no such examination in all 122 patients. B, Cerebral microbleeds were defined as homogeneous round foci <10 mm diameter with low signal intensity shown by T2*‐weighted MRI (white arrow). ECMO indicates extracorporeal membrane oxygenation; LVAD, left ventricular assist device; PGF, primary graft failure; PTLD, post‐transplant lymphoproliferative disorder.
