What is Chronic Venous Insufficiency and why did it just make headlines in Trump’s health update? Leg swelling. Poor circulation. A diagnosis millions of Americans share. Our latest blog breaks down what CVI is, why it matters, and how it’s treated. Whether you’re concerned about your own symptoms or just curious, this one’s worth the read. Many people can get treated for CVI in an outpatient setting. USA Vein Clinics is an outpatient provider of vein treatment experts, leveraging evidence-based procedures to help improve a person’s quality of life.