Safety Profile of PETALO CVS in the Treatment of Non-thrombotic Internal Jugular Vein Stenosis and Chronic Headache

Inclusion Criteria: * Male and female patients aged ≥ 18 * Patients undergoing Echo color Doppler ultrasound with unilateral or bilateral non-thrombotic stenosis \> 50% of IJV * Patients suffering from headache not responsive to two medical treatments with diagnosis of chronic migraine or chronic tension-type headache according to the criteria of the International Classification of Headache Disorders (ICHD-3 beta). * Subject able to comprehend the full nature and purpose of the study, including possible risks and side effects; able to co-operate with the Investigator and to comply with the requirements of the entire study. * Subject available for the whole study period and gave written informed consent prior to inclusion in the study Exclusion Criteria: * Patients with unilateral or bilateral thrombosis stenosis of IJV. * Patients with severe hypoplasia of IJV with diameter \< 5mm. * Presence of pacemaker. * Dural venous sinus stenosis \> 50% * Documented severe intolerance to iodinated contrast medium. * Non-compliance with pharmacological treatment * Intracranial abnormalities such as tumor, abscess and vascular malformation. * Severe hematological, hepatic or renal dysfunction (end-stage renal disease on dialysis will not be a contraindication). * Life expectancy \< 1 year * Known or potential hypersensitivity to anticoagulant or antiplatelet drugs or one of the components and/or history of allergic reactions in general, which the Investigator considers important for st…