Preeclampsia-Eclampsia: Clinical and Neuroradiographic Correlates and Insights into the Pathogenesis of Hypertensive Encephalopathy

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Abstract
PURPOSE: To investigate the clinical parameters that are associated with the development of brain edema of hypertensive encephalopathy in patients with preeclampsia-eclampsia. MATERIALS AND METHODS: Twenty-eight patients with preeclampsia-eclampsia and neurologic symptoms underwent magnetic resonance (MR) imaging. Clinical parameters recorded at the time of MR imaging included serum electrolytes and various indices of hematologic, renal, and hepatic function. Several data were available 1 week prior to the development of neurologic symptoms in 11 patients. Univariate analysis and multivariate logistic regression analyses were performed to study possible associations between these parameters and brain edema at MR imaging. RESULTS: The 20 patients with brain edema at MR imaging had a significantly greater incidence of abnormal red blood cell morphology (14 [82%] of 17 patients vs two [25%] of eight, P < .005) and higher levels of lactic dehydrogenase (LDH) (339 U/L ± 65 [SD] vs 258 U/L ± 65, P = .007) than ...