Safety profile of endovascular treatment for chronic cerebrospinal venous insufficiency in patients with multiple sclerosis.

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

Methods: In a 1-year period, 461 MS patients (261 women; mean age 45.4 years, range 21-79) with CCSVI underwent endovascular treatment of 1012 venous lesions during 495 procedures [34 (6.