“…2,3,30,36,37,45 There are several theories proposed to have a direct link between obesity and IIH, through a specific fat distribution in the body or through production of lipokines, while some others have suggested a converse causation with raised ICP actually causing obesity. 3,5,6,12,45 Over the years, venous obstruction has been reported by authors to cause hydrocephalus in babies. These authors include Shulman and Ransohoff, 44 Rosman and Shands, 39 and Bateman et al 3 Likewise, venous outflow obstruction has been implicated in IIH by Karahalios et al, 26 King et al, 27 Owler et al, 32 and Bateman et al 3 With the advent of direct retrograde cerebral venography and venous sinus manometry, as well as studies with simultaneous measurement of CSF pressures, it has been re- ported that CSF pressure can be reduced by relieving a venous sinus obstruction causing venous hypertension of the superior sagittal sinus.…”