Asymmetric cerebral edema presenting with severe neurologic impairment and seizures after cardiac and thoracic interventions

Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association
Ibrahim Migdady, Alexander Rae-Grant

Abstract

A syndrome of focal neurologic deficits with characteristic imaging features, acute encephalopathy, and seizures after cardiac and thoracic interventions has been previously briefly reported in the literature. In a retrospective observational study, we aim to identify the prevalence and characteristics of this syndrome, in addition to discussing the possible underlying pathophysiology. In a retrospective study, we reviewed records of consecutive adult patients (≥18 years old) who underwent cardiac and thoracic procedures at a single institution between September 2014 to September 2019 and found to have evidence of focal cerebral edema following their procedure. We included and reported clinical course of patients who developed post-operative neurologic dysfunction and underwent magnetic resonance imaging (MRI) showing (1) asymmetric cerebral edema with (2) cortical diffusion restriction and (3) T2 cortical or subcortical hyperintensity and (4) no proximal vascular occlusion. Three out of 107 patients (2.8%) met our inclusion criteria. These represented one male and two females with age at presentation of 63, 81 and 69, respectively. All patients developed severe neurologic impairment on the same day following their procedure (s...Continue Reading

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