Chronic Venous Insufficiency: Symptoms, Causes, and Treatment

Persistent leg swelling, aching, or changes in the skin around your ankles can be signs of a circulation problem. One possible cause is chronic venous insufficiency, or CVI, which affects how effectively blood returns from your legs toward your heart.

At Palisades Vein Center, we evaluate these concerns and help patients understand their treatment options. An assessment can identify whether vein disease is contributing to your symptoms and what care may help.

What Is Chronic Venous Insufficiency?

Your leg veins work against gravity to return blood to your heart. One-way valves help prevent backward flow, while the muscles in your calves help move blood upward.

When these valves do not work properly, blood can flow backward and collect in the legs. This is called venous reflux. The resulting pressure can lead to swelling and, over time, changes in the surrounding skin and tissue.

Chronic venous insufficiency describes a long-term problem with this return circulation. It can affect veins near the skin, deeper veins, or the veins connecting them.

How Is CVI Different From Varicose Veins?

Varicose veins are enlarged, twisted veins that may bulge beneath the skin. CVI involves impaired vein function that can cause persistent swelling, skin changes, or ulcers.

The conditions can occur together, but having varicose veins does not automatically mean you have CVI. You can also have significant vein dysfunction without prominent bulging veins.

Symptoms of Chronic Venous Insufficiency

CVI can affect both how your legs feel and how the skin looks. Signs and symptoms may include:

• Swelling around the ankles or lower legs.
• Aching, heaviness, or a tight feeling in the legs.
• Itching, dryness, or irritated skin.
• Brownish or reddish discoloration, often near the ankles.
• Thickened, firm, or tender skin and tissue.
• Open sores near the ankle or lower leg that heal slowly.

Swelling and discomfort may worsen after prolonged standing and improve with leg elevation. Symptoms vary, and you do not need to have every sign to warrant an evaluation.

Leg swelling has several possible causes. A clinical assessment helps determine whether the problem involves your veins or requires another type of care.

What Causes CVI?

CVI commonly involves weakened or damaged vein valves. A previous deep vein thrombosis, or DVT, can also leave lasting damage that interferes with blood flow. When chronic symptoms develop after a DVT, the condition is called post-thrombotic syndrome.

Factors associated with a higher risk of CVI include:

• A family history of venous disease.
• Previous blood clots in the legs.
• Increasing age.
• Pregnancy.
• Excess body weight.
• Long periods of sitting or standing.
• Limited physical activity.

CVI is not simply the result of leaving visible veins untreated. Its causes and the veins involved can differ from person to person.

When to Seek Medical Care

Schedule an evaluation for recurring swelling, ongoing discomfort, or changes in your lower-leg skin. Contact a clinician promptly if you develop an open sore or a wound that is not healing.

Seek urgent assessment for sudden leg pain or swelling, particularly when one leg becomes warm or red. These changes can indicate a blood clot rather than a routine fluctuation in CVI symptoms.

Call 911 for sudden shortness of breath or chest pain, especially with leg pain or swelling.

A wound with spreading redness, increasing pain, or fever also needs prompt medical attention.

How Is Chronic Venous Insufficiency Diagnosed?

Diagnosis involves a review of your symptoms and medical history, an examination of your legs, and testing when appropriate. Tell your clinician about previous blood clots, vein procedures, wounds, and changes in swelling.

A duplex ultrasound uses sound waves to examine the veins and blood flow. It can help identify reflux and other problems that may influence your treatment plan.

Your clinician may recommend additional testing if the findings suggest another cause of swelling or a more complex circulation problem.

Learn more about our vein evaluation and diagnostic process.

Treatment for Chronic Venous Insufficiency

Treatment aims to reduce discomfort and swelling, protect the skin, and address the underlying circulation problem where possible. Your plan may combine everyday care, compression, and a vein procedure.

Compression and Everyday Care

Compression stockings apply pressure to support blood return from the legs. The appropriate strength and fit depend on your health and circulation, so ask your clinician which type to use.

Your care plan may also include regular walking, movement breaks, leg elevation, and weight management when appropriate.

Procedures for Vein Reflux

When reflux in suitable superficial veins contributes to CVI, a procedure may be recommended to close those veins and allow blood to return through other functioning veins.

Options may include radiofrequency or laser ablation and sclerotherapy. The choice depends on your ultrasound findings, medical history, and the veins involved.

Treatment of superficial veins is not appropriate for every cause of CVI. Problems involving deeper veins may require a different approach or further specialist assessment.

Skin and Wound Care

Skin irritation and venous ulcers need attention alongside the circulation problem. Care may involve prescribed skin treatments, dressings, compression when suitable, and wound-care support.

An open sore should be assessed rather than managed with over-the-counter creams alone.

What Can You Expect From Treatment?

Treatment can improve symptoms and help reduce the risk of complications, but CVI usually requires ongoing management. Swelling may have more than one cause, and established skin changes may not fully resolve.

Your clinician will explain the expected benefits, limitations, and follow-up plan. Continuing recommended care remains important even after a procedure.

Frequently Asked Questions

Is chronic venous insufficiency serious?

CVI can cause lasting discomfort and skin damage. More advanced disease may lead to ulcers that are difficult to heal and can become infected. Evaluation and ongoing care help manage these risks.

Can chronic venous insufficiency be cured?

Treatment can address specific vein problems and improve symptoms, but it does not restore damaged valves to their original condition. Some people need continued compression, skin care, or additional treatment over time.

Does CVI mean I have a blood clot?

No. CVI is a chronic circulation problem, while DVT is a clot in a deep vein. A previous DVT can contribute to CVI, but many people with CVI have no known history of a clot.

New, sudden symptoms should be assessed promptly rather than assumed to be part of an existing condition.

Will insurance cover CVI treatment?

Coverage may be available when a recommended treatment meets your plan’s medical-necessity requirements. A CVI diagnosis or ultrasound result does not automatically guarantee approval.

Before treatment, confirm any authorization requirements, deductibles, copayments, and other out-of-pocket costs with your insurer.

Should I walk if I have CVI?

Walking can help your calf muscles move blood through the leg veins. Ask your clinician about an appropriate activity plan, especially if you have an open wound, significant pain, or another condition that limits exercise.

Schedule a Vein Evaluation

If your legs remain swollen, uncomfortable, or show skin changes, an evaluation can help you understand the cause and discuss your next steps.

Palisades Vein Center offers appointments in New City, Pomona, Fishkill, and Goshen, New York, and Englewood, New Jersey.

Request a Consultation or call 845-362-5200.