The Turkish Journal of Pediatrics 2010 , Vol 52 , Num 4
Recurrent and atypical posterior reversible encephalopathy syndrome in a child with peritoneal dialysis
Departments of 1Pediatrics and 2Radiology, Adnan Menderes University Faculty of Medicine, Aydın, Turkey Posterior reversible encephalopathy syndrome (PRES) is a clinical and radiologic entity characterized by headache, seizures, visual changes, altered mental status, and focal neurologic signs. Typically, PRES involves the parietooccipital lobes; however, it can involve atypical localizations such as frontal lobe, basal ganglia, thalamus, brainstem, and gray matter. Sudden increases in blood pressure and associated renal failure are probably the most frequently encountered etiologies in the literature. Recurrence of PRES is not common. In this article, we present recurrent atypical PRES in a hypertensive child with end-stage renal disease on a peritoneal dialysis program as a rare case and we discuss recurrence. Infections and sudden increase in blood pressure were observed as the causes of recurrent PRES in our patient.

The reversibility of PRES depends on immediate diagnosis and therapy; therefore, it should be kept in mind in the differential diagnosis of seizures or coma in chronic kidney disease patients. Keywords : posterior reversible encephalopathy, hypertension, end-stage renal disease, peritoneal dialysis, recurrent.

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