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Brazilian Journal of Nephrology

Print version ISSN 0101-2800On-line version ISSN 2175-8239

Abstract

CARVALHO, Eve Grillo et al. Reversible posterior encephalopathy syndrome in a 10-year-old child. J. Bras. Nefrol. [online]. In press. , pp.-.  Epub Sep 21, 2018. ISSN 0101-2800.  http://dx.doi.org/10.1590/2175-8239-jbn-2018-0111.

Introduction:

The posterior reversible encephalopathy (PRES) syndrome encompasses a set of clinical-radiological findings associated with severe systemic arterial hypertension. This case report proposes to discuss the identification, diagnosis, and management of PRES in the pediatric population.

Case presentation:

Female patient, 10 years old, admitted to the emergency room with complaint of oliguria and generalized edema. At the initial physical exam, the only alteration present was anasarca. The diagnostic investigation revealed nephrotic syndrome, and clinical treatment was started. She evolved on the 8th day of hospitalization with peak hypertension, sudden visual loss, reduced level of consciousness, nystagmus, and focal seizures requiring intubation. She was transferred to the Intensive Care Unit, with neurological improvement, after the established therapy. CT scan revealed a discrete hypodense area in the white matter of the occipital lobe and anteroposterior groove asymmetry, compatible with PRES.

Discussion:

PRES is due to vasogenic cerebral edema of acute or subacute installation. Symptoms include headache and altered consciousness, stupor, coma, neurological deficits, seizures and cortical blindness. Nephropathies are the main cause of PRES in pediatrics. Magnetic resonance imaging with diffusion of molecules is the gold standard for diagnosis. The initial treatment objectives are the reduction of blood pressure, antiepileptic therapy, correction of hydroelectrolytic and acid-base disorders and management of intracranial hypertension.

Conclusion:

PRES is associated with acute hypertension. Early diagnosis and proper management may determine a better prognosis and minimize the severity of the clinical course.

Keywords : Posterior Leukoencephalopathy Syndrome; Pediatrics; Nephrology; Neurology.

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