POSTERIOR REVERSIBLE ENCEPHALOPATHY SYNDROME

Dr Seema Dande

Abstract


Posterior reversible encephalopathy is a reversible neurological entity characterised by seizure, headache, visual symptoms, impaired consciousness and other focal neurological deficit. It happens when the auto regulatory mechanism fails to maintain the cerebral blood flow. There is partial lack of sympathetic innervations of the vasculature that emerges from the basilar artery. Edema occurs in the posterior regions of the brain with compression of brain and causing headache, nausea, vomiting and seizures.

I present a young woman who was referred to my hospital as a case of sudden loss of vision, severe headache and vomiting.  It was her 5th postoperative day after a lower segment caesarean section. The intraoperative and immediate postoperative periods were uneventful. She had no history of seizures. Her blood pressure was 150/100 with albuminuria. She was managed with magnesium sulfate therapy. The reversibility of the symptoms and characteristic imaging findings led us to a diagnosis of PRES syndrome


Keywords


Posterior reversible encephalopathy, Seizure, Sudden loss of vision

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References


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