Prevalence of Venous Sinus Stenosis in Spontaneous Cerebrospinal Fluid Leak and the Role for Venous Sinus Stenting: A Systematic Review and Meta-Analysis.

In two studies that compared the frequency of VSS in patients with and without sCSF leak, meta‐analysis suggested that VSS was more commonly observed in patients with sCSF leak (RR = 3.11; 95% CI: 0.64–15.27, I 2 = 87%) (Figure 3 ), though this difference did not reach statistical significance [ 16 , 21 ].

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