Safety of endovascular treatment of chronic cerebrospinal venous insufficiency: a report of 240 patients with multiple sclerosis.

Purpose: To evaluate the safety of outpatient endovascular treatment in patients with multiple sclerosis (MS) and chronic cerebrospinal venous insufficiency (CCSVI).

Materials And Methods: A retrospective analysis was performed to assess complications occurring within 30 days of endovascular treatment of CCSVI. The study population comprised 240 patients; 257 procedures were performed over 8 months.