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KMID : 0911820180190020051
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Korean Journal of Headache
2018 Volume.19 No. 2 p.51 ~ p.55
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Pachymeningeal Enhancement as a Predictor of Low Cerebrospinal Fluid Pre in Spontaneous Intracranial Hypotension
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Kim Min-Seock
Do Jin-Kuk
Do Young-Rok
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Abstract
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Background: Spontaneous intracranial hypotension (SIH) is characterized by non-traumatic orthostatic headache with low cerebrospinal fluid (CSF) pressure or evidence of CSF leakage on imaging. Pachymeningeal enhancement on brain magnetic resonance imaging (MRI) is a common evidence of CSF leakage. The present study aimed to determine whether pachymeningeal enhancement on brain MRI predicts low CSF pressure in the SIH.
Methods: A retrospective study of SIH patients who underwent both MRI and CSF study was designed to compare the presence of pachymeningeal enhancement on brain MRI between lower and higher CSF pressure groups. Multivariate logistic regression analyses were performed to identify independent predictor for low CSF pressure.
Results: Among 35 SIH patients, the lower pressure group had more pachymeningeal enhancement on brain MRI than higher pressure group (80% vs. 30%, p=0.006). Pachymeningeal enhancement was associated with low CSF pressure in the multivariate logistic regression analyses adjusting body mass index and age.
Conclusion: The present study indicated that pachymeningeal enhancement on brain MRI is a predictor for low CSF pressure in SIH regardless of body mass index.
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KEYWORD
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Intracranial hypotension, Magnetic resonance imaging, Cerebrospinal fluid pressure
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