Inclusion Criteria:  Patient aged 18 or over HTICi proven greater than 25cm of water Presence of papillary edema (grade> 0 on the Frisen scale) Stenosis of at least one transverse sinus on MRI Failure of medical treatment and surgical / interventional indication defined by the medical team taking care of the patient Consent to participate in the study  Exclusion Criteria:  Fulminant HTICi Contraindication to antiplatelet aggregation Contraindication to one or the other of the interventions under study Pregnant or breastfeeding woman