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Diagnosis of Meningitis Caused by Pathogenic Microorganisms Using Magnetic Resonance Imaging: A Systematic Review.

Authors
  • Saberi, Alia1
  • Roudbary, Seyed-Ali2
  • Ghayeghran, Amirreza2
  • Kazemi, Samaneh3
  • Hosseininezhad, Mozaffar2
  • 1 Neurosciences Research Center, Department of Neurology, Pouursina Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran. , (Iran)
  • 2 Department of Neurology, Poursina Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran. , (Iran)
  • 3 Deputy of Research and Technology, Guilan University of Medical Sciences, Rasht, Iran. , (Iran)
Type
Published Article
Journal
Basic and clinical neuroscience
Publication Date
Jan 01, 2018
Volume
9
Issue
2
Pages
73–86
Identifiers
DOI: 10.29252/nirp.bcn.9.2.73
PMID: 29967667
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Bacterial meningitis is an acute infectious inflammation of the protective membranes covering the brain. Its early diagnosis is vital because of its high morbidity and mortality. It is mostly diagnosed by a gold standard diagnostic tool i.e. Cerebrospinal Fluid (CSF) analysis. However, it is sometimes difficult and or impossible to do this procedure and an alternative diagnostic tool is needed. Contrast enhanced magnetic resonance imaging can detect the pus or other changes in subarachnoid space. But our optimal aim is to use an imaging method without using contrast to be useable and available in more specific condition. This study aimed to survey the role of non-contrast Magnetic Resonance Imaging (MRI) in the diagnosis of the bacterial meningitis. MEDLINE/PubMed Central, Web of Science and Scopus were searched without time period and language limitation until March 2017. We found 6410 papers in our initial search. After assessing the content of the papers based on Cochrane library guidelines and inclusion/exclusion criteria, 6 relevant studies were included in the systematic review. All of included studies were observational studies. MRI studies demonstrated that Fluid Attenuation Inversion Recovery (FLAIR) and Diffusion-Weighted Image (DWI) MR imaging among all MRI modalities can detect some abnormalities compatible with bacterial meningitis. FLAIR and DWI-MR imaging are potentially useful to diagnose bacterial meningitis and can be used in emergent condition in which bacterial meningitis is highly suspicious and the other diagnostic tools are not available or feasible.

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