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CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2018; 76(08): 507-511
DOI: 10.1590/0004-282X20180070
Article

Spontaneous intracranial hypotension and its complications

Hipotensão intracraniana espontânea e complicações
Marília Maria Vasconcelos Girão
1   Universidade Estadual de Campinas, Faculdade de Medicina, Departamento de Radiologia, Campinas SP, Brasil
,
Rachid Marwan Pinheiro Sousa
1   Universidade Estadual de Campinas, Faculdade de Medicina, Departamento de Radiologia, Campinas SP, Brasil
,
Mayani Costa Ribeiro
2   Universidade Estadual de Campinas, Faculdade de Medicina, Departamento de Neurologia, Campinas SP, Brasil
,
Tânia Aparecida Marchiori de Oliveira Cardoso
2   Universidade Estadual de Campinas, Faculdade de Medicina, Departamento de Neurologia, Campinas SP, Brasil
,
Marcondes Cavalcante França Júnior
2   Universidade Estadual de Campinas, Faculdade de Medicina, Departamento de Neurologia, Campinas SP, Brasil
,
Fabiano Reis
1   Universidade Estadual de Campinas, Faculdade de Medicina, Departamento de Radiologia, Campinas SP, Brasil
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ABSTRACT

Spontaneous intracranial hypotension (SIH) is a syndrome that was unknown until the advent of magnetic resonance imaging (MRI). It is a cause of orthostatic headache, which remains underdiagnosed and, rarely, can result in several complications including dural venous sinus thrombosis, subdural hematoma and subarachnoid hemorrhage. Some of these complications are potentially life-threatening and should be recognized promptly, mainly by imaging studies. We reviewed the MRI of nine patients with SIH and describe the complications observed in three of these patients. Two of them had subdural hematoma and one had a dural venous sinus thrombosis detected by computed tomography and MRI. We concluded that MRI findings are of great importance in the diagnosis of SIH and its complications, which often influence the clinical-surgical treatment of the patient.

RESUMO

Hipotensão Intracraniana Espontânea (HIE) é uma síndrome desconhecida até o advento das imagens de Ressonância Magnética (RM). É uma causa de cefaleia ortostática que permanece subdiagnosticada e raramente resulta em complicações, como trombose de seios venosos durais, hematoma subdural e hemorragia subaracnoidea. Algumas dessas complicações são potencialmente ameaçadoras à vida e devem ser prontamente reconhecidas pelos estudos de imagem. Nós revisamos as RM de 9 pacientes com HIE e descrevemos as complicações observadas em 3 casos. Dois deles tiveram hematoma subdural e um teve trombose de seio venoso dural detectados por tomografia computadorizada e RM. Concluímos que achados de RM são de grande importância no diagnóstico de HIE e suas complicações, frequentemente influenciando o tratamento clínico-cirúrgico do paciente.

Keywords:

intracranial hypotension - subdural hematoma - sinus thrombosis, intracranial - magnetic resonance

Palavras-chave:

hipotensão intracraniana - hematoma subdural - trombose dos seios intracranianos - ressonância magnética


Publication History

Received: 14 January 2018

Accepted: 21 April 2018

Article published online:
23 August 2023

© 2023. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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