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CLACS: Modern Breakthrough for Varicose Veins

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18-October-2025 Category: Diagnosis and Treatment

Varicose veins affect millions worldwide, causing both cosmetic concerns and potential health complications. In recent years, a groundbreaking treatment called CLACS (Cryo-Laser and Cryo-Sclerotherapy) has emerged as a game-changer in vascular medicine, offering new hope to patients seeking effective, minimally invasive solutions.

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Understanding CLACS: A Revolutionary Approach

CLACS, developed by Dr. Kasuo Miyake in Brazil, represents a significant advancement in vein therapy. This innovative treatment combines the precision of laser therapy with the effectiveness of sclerotherapy, while incorporating cryotherapy for enhanced patient comfort. Unlike traditional surgical approaches, CLACS specifically targets spider veins and small varicose veins with remarkable precision.


Evidence-Based Efficacy

Recent research has demonstrated impressive outcomes for CLACS treatment. Studies conducted at the Federal University of São Paulo have shown superior vein clearance compared to conventional sclerotherapy. A comprehensive European multicentre study has reported sustained results with minimal recurrence over a five-year follow-up period. The University of São Paulo’s safety-focused research has further confirmed CLACS’s favorable safety profile, documenting minimal complications.

Confused about treatment options? Our experts will guide you step by step.

The Treatment Process

The CLACS procedure typically takes 30-60 minutes and follows a systematic approach:

Initial consultation and vein assessment
Application of cryotherapy for local numbing
Initial consultation and vein assessment
Precise vein mapping using transdermal vein light or ultrasound
Many insurers cover varicose vein treatments deemed medically necessary,but coverage for VenaSeal® varies.


Advantages Over Traditional Treatments

CLACS offers several distinct advantages:

Minimally invasive nature reduces recovery time
Enhanced comfort through cold air application
High success rates in treating superficial veins
Quick return to daily activities
Reduced risk of complications


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Looking to the Future

As CLACS continues to gain recognition worldwide, its adoption in various countries, including India, demonstrates its potential to revolutionize varicose vein treatment. The combination of high efficacy rates, minimal invasiveness, and patient comfort makes it an attractive option for both practitioners and patients.

The treatment’s success in clinical studies, coupled with positive long-term outcomes, suggests that CLACS may become the gold standard for treating superficial venous conditions. However, as with any medical procedure, consultation with a qualified vascular specialist remains essential for determining the most appropriate treatment approach for individual cases.

For patients seeking a balance between effective treatment and minimal downtime, CLACS represents a significant advancement in vascular medicine. As research continues and techniques are refined, this innovative approach promises to remain at the forefront of modern vein therapy.

Frequently Asked
Questions

For any unanswered questions, reach out to our support team via email. We’ll respond as soon as possible to assist you.

For Enquiry
info@avisvascularcentre.com
+ 91 80089 49900

What makes CLACS different from regular laser or sclerotherapy treatments?

CLACS is a hybrid technique that combines laser energy, sclerotherapy, and cryotherapy in a single session. Unlike standalone laser or injection-based treatments, CLACS uses cold air to numb the skin, laser energy to target tiny veins, and a sclerosing agent to permanently close them. This multi-layered approach improves precision, comfort, and cosmetic results.

Which types of veins respond best to CLACS treatment?

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CLACS is most effective for spider veins and small varicose veins located close to the skin’s surface. These veins are often difficult to treat completely with conventional methods alone. CLACS allows accurate targeting of very fine veins that may otherwise recur after standard sclerotherapy.

Is CLACS painful compared to other vein treatments?

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CLACS is generally better tolerated than traditional sclerotherapy because it uses continuous cold air to numb the treatment area. Most patients report only mild discomfort or a cooling sensation during the procedure, without the burning or stinging often associated with injections alone.

How many CLACS sessions are usually required?

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The number of sessions depends on the extent and distribution of the veins. Many patients see visible improvement after one session, but multiple sessions may be needed for complete clearance, especially when veins are widespread or dense. Your vascular specialist will determine the optimal plan after vein mapping.

How soon can normal activities be resumed after CLACS?

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Patients can typically return to routine daily activities the same day or the next day. There is no need for hospital admission or prolonged rest. Minor redness or swelling may occur temporarily, but it usually resolves quickly without affecting work or lifestyle.