Overview Safety Study of Varisolve® Procedure for Treatment of Varicose Veins in Patients With Right-to-left Cardiac Shunt Status: Completed Trial end date: 2009-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the safety of the Varisolve® procedure in patients with right-to-left cardiac shunt (a defect in the heart). Phase: Phase 2 Details Lead Sponsor: Boston Scientific CorporationBTG International Inc.Treatments: Polidocanol