Posterior Reversible Encephalopathy Syndrome: Clinical Features and Outcome

被引:102
|
作者
Hinduja, Archana [1 ]
机构
[1] Ohio State Univ, Dept Neurol, Wexner Med Ctr, Columbus, OH 43210 USA
来源
FRONTIERS IN NEUROLOGY | 2020年 / 11卷
关键词
posterior reversal encephalopathy syndrome; outcome; prognosis; seizures; management; CEREBRAL VASOCONSTRICTION SYNDROME; SERUM LACTATE-DEHYDROGENASE; CYCLOSPORINE-A; HYPERTENSIVE ENCEPHALOPATHY; RADIOLOGICAL SPECTRUM; FK-506; NEUROTOXICITY; MR-ANGIOGRAPHY; RISK-FACTORS; PREDICTORS; UTILITY;
D O I
10.3389/fneur.2020.00071
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background: Posterior reversible encephalopathy syndrome (PRES) is an acute neurotoxic syndrome that is characterized by a spectrum neurological and radiological feature from various risk factors. Common neurological symptoms includes headache, impairment in level of consciousness, seizures, visual disturbances, and focal neurological deficits. Common triggering factors include blood pressure fluctuations, renal failure, eclampsia, exposure to immunosuppressive or cytotoxic agents and autoimmune disorders. The classic radiographic findings include bilateral subcortical vasogenic edema predominantly affecting the parieto-occipital regions but atypical features include involvement of other regions, cortical involvement, restricted diffusion, hemorrhage, contrast enhancement. This review is aimed to summarize the updated knowledge on the typical and atypical clinical and imaging features, prognostic markers and identify gaps in literature for future research. Methods: Systematic literature review using PUBMED search from 1990 to 2019 was performed using terms PRES was performed. Results: While clinical and radiographic reversibility is common, long-standing morbidity and mortality can occur in severe forms. In patients with malignant forms of PRES, aggressive care has markedly reduced mortality and improved functional outcomes. Although seizures were common, epilepsy is rare. Various factors that have been associated with poor outcome include altered sensorium, hypertensive etiology, hyperglycemia, longer time to control the causative factor, elevated C reactive protein, coagulopathy, extensive cerebral edema, and hemorrhage on imaging. Conclusion: Large prospective studies that accurately predict factors that are associated with poor outcomes, determine the pathophysiology, and targeted therapy are required.
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页数:10
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