Eelco F.M. Wijdicks, MD, Norbert Campeau, MD, Thoralf Sundt, MD

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Presentation transcript:

Reversible Unilateral Brain Edema Presenting With Major Neurologic Deficit After Valve Repair Eelco F.M. Wijdicks, MD, Norbert Campeau, MD, Thoralf Sundt, MD The Annals of Thoracic Surgery Volume 86, Issue 2, Pages 634-637 (August 2008) DOI: 10.1016/j.athoracsur.2008.02.021 Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 Serial magnetic resonance imaging (MRI) examinations of the brain showing the development of reversible signal change predominantly involving the right cerebral hemisphere. (A) An MRI obtained on the day after surgery demonstrates diffuse areas of increased T2 signal within the right hemispheric white matter. Diffusion-weighted images including ADC map are negative for acute ischemia, and show increased diffusion in the areas of signal change consistent with edema. (B) An MRI obtained on postoperative day 5 demonstrates development of restricted diffusion signal (confirmed on the ADC map) within the splenium of the corpus callosum and the right centrum semiovale. No pathologic enhancement is noted after administration of the gadolinium. The nonenhancing areas of T2 signal change in the right hemisphere have increased slightly and become more confluent since the prior MRI. (C) All changes are resolved on the MRI study obtained on postoperative day 25 without evidence for developing encephalomalacia or gliosis. The Annals of Thoracic Surgery 2008 86, 634-637DOI: (10.1016/j.athoracsur.2008.02.021) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions