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Arq. neuropsiquiatr ; 73(1): 36-40, 01/2015. tab, graf
Article in English | LILACS | ID: lil-732225

ABSTRACT

Objective Analyze the cases of posterior reversible encephalopathy syndrome (PRES) admitted in a Neurology Department during an 8-year period. Method Retrospective observational study in a central hospital in the north of Portugal. Results 14 patients were identified, mean age 52.3 years. Precipitating factors included: eclampsia, isolated arterial hypertension, spinal trauma and autonomic dysreflexia, Guillain-Barré syndrome, sepsis, sarcoidosis and pulmonary cryptococcosis and drugs. Most patients presented posterior-predominant vasogenic edema lesions, however 64.2% presented frontal lesions and in 42.8% cerebellum was involved. Four patients also had acute ischemic lesions and 1 had hemorrhagic lesions. During follow-up 10 patients recovered fully, 2 recovered partially, 1 suffered a recurrence and 2 died in hospital. Conclusion PRES has many etiological factors. The terms posterior and reversible should be revised because PRES frequently involves other brain regions and it is not always reversible. PRES patients may develop life-threatening complications and mortality is not negligible. .


Objetivo Análise dos casos de síndrome de encefalopatia posterior reversível (PRES) internados em um Serviço de Neurologia durante oito anos. Método Estudo restrospectivo observacional num hospital central do norte de Portugal. Resultados Identificaram-se 14 casos, idade média de 52,3 anos. Os factores precipitantes foram: eclâmpsia, hipertensão arterial isolada, traumatismos vertebro-medulares com disfunção autonómica, síndrome de Guillain-Barré, sépsis, sarcoidose e criptococose pulmonar e fármacos. A maioria dos doentes apresentou lesões edematosas de predomínio posterior, contudo 64,2% apresentaram lesões frontais e 42,8% apresentaram também lesões cerebelosas. Quatro doentes tinham lesões isquémicas agudas e um apresentou lesões hemorrágicas. Durante o seguimento, 10 doentes recuperaram totalmente, 2 recuperaram com sequelas, 1 teve recidiva e 2 faleceram durante o internamento. Conclusão A PRES apresenta muitos factores precipitantes. As designações posterior e reversível deverão ser reequacionadas dado que a PRES afecta outras zonas do cérebro e nem sempre é reversível, apresentado complicações e mortalidade não ...


Subject(s)
Female , Humans , Male , Middle Aged , Posterior Leukoencephalopathy Syndrome , Magnetic Resonance Imaging , Posterior Leukoencephalopathy Syndrome/diagnosis , Posterior Leukoencephalopathy Syndrome/etiology , Posterior Leukoencephalopathy Syndrome/pathology , Retrospective Studies
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