Meta-analysis of the correlation between chronic cerebrospinal venous insufficiency and multiple sclerosis.
PURPOSE: To determine whether a correlation exists between chronic cerebrospinal venous insufficiency (CCSVI) and multiple sclerosis (MS). MATERIALS AND METHODS: A meta-analysis of the current literature was performed to evaluate the frequency of CCSVI, diagnosed by echo color Doppler criteria, in patients with MS and in normal controls. RESULTS: In all, 19 studies were identified from January 2005 through February 2013; however, 3 studies were excluded due to duplicate data and 3 additional studies because 0 patients fulfilled CCSVI criteria in both MS and control groups. In order to improve homogeneity, 4 outlier studies were also removed from the analysis. Analysis of the remaining 9 studies demonstrated a significant correlation between CCSVI and MS (odds ratio 1.885, P < .0001) with no significant heterogeneity of the studies (I (2) = 18, P = .279). CONCLUSIONS: The meta-analysis demonstrated a correlation between CCSVI and MS. However, there was no evidence that CCSVI has a causative role in MS.
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Related Subject Headings
- Venous Insufficiency
- Ultrasonography, Doppler, Color
- Spinal Cord
- Risk Factors
- Risk Assessment
- Prevalence
- Predictive Value of Tests
- Odds Ratio
- Multiple Sclerosis
- Humans
Citation
Published In
DOI
EISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- Venous Insufficiency
- Ultrasonography, Doppler, Color
- Spinal Cord
- Risk Factors
- Risk Assessment
- Prevalence
- Predictive Value of Tests
- Odds Ratio
- Multiple Sclerosis
- Humans