Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Chronic venous insufficiencyUpdated: 2020-01-08OverviewChronic venous insufficiency is a long-term condition in which leg veins don't return blood properly to the heart. The cause may be a blocked vein or a leaking valve.SymptomsSymptoms include dull aching in the legs and pain that increases when standing.TreatmentsCompression stockings help. In severe cases, a doctor removes or destroys the vein. © 1998-2023 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use