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CHIVA Treatment: Minimally Invasive Varicose Vein Therapy

CHIVA treatment is a minimally invasive procedure for treating varicose veins. It targets specific points of venous insufficiency to restore normal blood flow while preserving healthy veins.

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Things worth knowing about "CHIVA Treatment"

CHIVA treatment is a minimally invasive procedure for treating varicose veins. It targets specific points of venous insufficiency to restore normal blood flow while preserving healthy veins.

What is CHIVA Treatment?

CHIVA stands for the French term Cure Conservatrice et Hemodynamique de l'Insuffisance Veineuse en Ambulatoire, which translates to: Conservative and Hemodynamic Treatment of Venous Insufficiency in an Outpatient Setting. It is a minimally invasive, vein-preserving procedure for treating varicose veins (varices) that is based on a precise analysis of blood flow patterns in the leg veins.

Unlike classical surgical methods such as vein stripping, which involves removing entire venous segments, the CHIVA method aims to interrupt only the hemodynamically relevant points of insufficiency. This restores normal blood flow and allows the diseased vein segments to gradually regress without being completely removed.

Underlying Principle and Mechanism of Action

The CHIVA method is based on a thorough hemodynamic analysis of the venous system. Before the procedure, a detailed duplex ultrasound examination is performed to identify the exact locations where blood is flowing in the wrong direction through the wrong veins -- a phenomenon known as venous reflux. These locations are referred to as insufficiency points.

Through targeted, small surgical interventions at these insufficiency points, the abnormal blood flow is interrupted. Without the excess pressure from the deep venous system, the superficial varicose veins gradually regress over time. The deep venous system and healthy portions of the superficial veins are preserved.

When is CHIVA Treatment Used?

The CHIVA method is particularly suitable for patients with:

Primary varicose veins of the legs
Chronic venous insufficiency (CVI), a long-term condition caused by weakened vein valves
Symptoms such as heaviness, swelling, pain, or leg cramps due to venous disease
A preference for a tissue-sparing, organ-preserving procedure
Recurrent varicose veins following previous treatments

The procedure is not suitable for patients with active deep vein thrombosis or severe anatomical changes to the deep venous system.

How the CHIVA Procedure Works

Pre-Procedure Diagnostics

Before the intervention, a comprehensive duplex ultrasound examination is performed. This imaging technique provides precise information about the location, extent, and direction of blood flow in the affected veins. Based on these findings, the physician develops an individualized treatment plan.

The Procedure

The procedure is typically performed on an outpatient basis -- no hospital stay is required -- and is usually carried out under local anesthesia. Only a few very small skin incisions are made to precisely interrupt the identified insufficiency points. Depending on the findings, one or more treatment sessions may be necessary.

Aftercare

Following the procedure, patients are generally advised to wear compression stockings to support the regression of varicose veins and to minimize swelling. Regular follow-up ultrasound examinations are used to monitor the success of the treatment.

Advantages of the CHIVA Method

Tissue-sparing: Healthy veins are preserved
Outpatient procedure: No hospital admission required
Low complication rate: Fewer scars, nerve injuries, and bruising compared to classical stripping
Low recurrence rate: Studies demonstrate a lower rate of recurrence compared to other methods
Fast recovery: Patients can typically return to daily activities quickly

Risks and Side Effects

As with any surgical procedure, there are potential risks associated with CHIVA treatment, although these are generally minor:

Bruising (hematoma) at the incision sites
Temporary swelling or altered skin sensitivity
Rare wound infections
Occasional nerve irritation near the treated areas

Serious complications such as deep vein thrombosis or pulmonary embolism are very rare and occur significantly less often than with more invasive procedures.

CHIVA Compared to Other Varicose Vein Treatments

The most common procedures for treating varicose veins include classical vein stripping, sclerotherapy (injection treatment), laser therapy, and radiofrequency ablation. Each method has its own specific advantages and disadvantages. The CHIVA method stands out due to its hemodynamic approach and the preservation of the venous system, making it an attractive option for suitable patients.

References

Franceschi C. - Theorie et pratique de la cure conservatrice et hemodynamique de l'insuffisance veineuse en ambulatoire. Precy-sous-Thil: Editions de l'Armancon, 1988.
Carandina S. et al. - Varicose vein stripping vs haemodynamic correction (CHIVA): a long term randomised trial. European Journal of Vascular and Endovascular Surgery, 2008.
Parés J.O. et al. - Varicose vein surgery: stripping versus the CHIVA method - a randomized controlled trial. Annals of Surgery, 2010.

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