Chennai-based Endovascular & IR Specialist, Dr. Ravindran Ramalingam offers minimally invasive, scar-free treatments ensuring faster recovery and minimal pain.

Endovascular &
IR Specialist

Center Address
- Gleneagles Health City, Perumbakkam, Chennai, TN
- Maruti Scans, Velachery, Chennai, TN

Blood clots in the legs (DVT)

Deep Vein Thrombectomy / Thrombolysis

A Minimally Invasive Treatment to Remove Dangerous Blood Clots and Save Your Leg

A blood clot in a deep vein—usually in the leg—can cause severe pain, swelling, and serious complications like lung clot (pulmonary embolism). This condition is called Deep Vein Thrombosis (DVT).

Deep vein thrombectomy or thrombolysis are advanced, minimally invasive treatments that remove or dissolve the clot, restore blood flow, and reduce long-term damage to the veins.

👉 Sudden leg swelling, pain, or diagnosed DVT?

What Is Deep Vein Thrombectomy / Thrombolysis?

  • Deep vein thrombectomy is a procedure to physically remove a blood clot from a blocked deep vein using special devices.
  • Deep vein thrombolysis is a treatment where clot-dissolving medicine is delivered directly into the clot through a thin tube (catheter).

These treatments:

  • Quickly restore blood flow
  • Reduce pain and swelling
  • Lower the risk of long-term leg damage (post-thrombotic syndrome)
  • Help prevent complications like pulmonary embolism
  • No open surgery

  • Small puncture, no big cuts

  • Fast relief of symptoms

  • Can save the vein and the leg

What Is Deep Vein Thrombosis (DVT)?

Deep Vein Thrombosis (DVT) is a condition where a blood clot forms in a deep vein, most commonly in the leg or pelvis.

Common symptoms include:

  • Swelling of the leg or thigh
  • Pain or tenderness in the leg
  • Warmth or redness of the skin
  • Heaviness in the limb

Why DVT is dangerous:

  • The clot can travel to the lungs and cause pulmonary embolism (life-threatening)
  • It can damage vein valves, causing long-term swelling, pain, and skin changes

How Is Deep Vein Thrombectomy / Thrombolysis Done?

The procedure is performed by an interventional specialist under X-ray (fluoroscopy) guidance.

Step-by-step:

  • You lie comfortably on the procedure table
  • Local anesthesia (and sometimes light sedation) is given
  • A small puncture is made, usually behind the knee or in the groin
  • A thin catheter is guided into the blocked vein
  • For thrombolysis: clot-dissolving medicine is delivered directly into the clot
  • For thrombectomy: special devices are used to break and remove the clot
  • Sometimes both methods are combined
  • Blood flow is checked, and the puncture site is closed with a small dressing

What Are the Risks?

Deep vein thrombectomy/thrombolysis is generally safe when done by experienced specialists.
Possible risks with approximate incidence include:

  • Bleeding at puncture site – common (5–10%)
  • Minor bleeding elsewhere – uncommon (3–5%)
  • Major bleeding – rare (1–2%)
  • Infection – rare (<1%)
  • Damage to the vein – rare (<1–2%)
  • Allergic reaction to contrast dye – rare (<2%)
dvt treatment Chennai

What Are the Alternatives?

Your treatment choices depend on:

  • The size, location, and risk level of the clot
  • Your symptoms and overall health
  • Your personal preferences and bleeding risk

Your clinician may recommend one or a combination of the options below.

Alternative 1: No Active Treatment (Observation Only)

  • Avoids the risks and discomfort of medicines or procedures
  • However, this option carries the highest risk of the clot not resolving
  • If the clot remains, symptoms are unlikely to improve
  • Up to 1 in 2 untreated patients may develop a pulmonary embolism (PE) if the clot travels to the lungs, which can be life-threatening

Alternative 2: Blood Thinners (Anticoagulation Therapy)

  • The most common treatment for DVT
  • Prevents the clot from getting bigger while the body slowly breaks it down
  • Avoids an invasive procedure
  • Has a lower risk of major bleeding compared to clot-busting drugs (about 4 in 100 people)
  • However:
    • Less effective for large or high-risk clots
    • With this treatment, 2–5 in 100 people may still develop a pulmonary embolism (PE)

Alternative 3: Clot-Busting Medicines (tPA) Through IV

  • Uses tPA (tissue plasminogen activator) to dissolve the clot
  • Given through a vein (IV), so the medicine is not targeted only to the clot
  • Can work faster than blood thinners alone
  • Has a higher risk of serious bleeding (about 9 in 100 people)

Alternative 4: Surgery to Remove the Clot

  • Involves open surgical removal of the blood clot
  • Generally avoided because:
    • It has a much higher risk of complications
    • The results may not last long, especially for certain types of clots
    • Recovery time is longer compared to minimally invasive options

Choosing the Right DVT Treatment

For many patients, minimally invasive, image-guided clot treatments may offer better clot removal with lower risks and faster recovery compared to traditional options. A personalized evaluation helps select the safest and most effective approach for your condition.

📌 Thrombectomy/thrombolysis is usually chosen for severe, extensive, or limb-threatening clots, or when quick vein opening is needed.

What Happens After Your Procedure?

After treatment:

  • You will be monitored in the hospital for 1–3 days
  • Blood thinners are continued to prevent new clots
  • Swelling and pain usually improve over days to weeks
  • You may be advised to wear compression stockings
  • Follow-up scans may be done to check vein flow
  • Most patients return to normal activities gradually

Early treatment helps protect your veins and reduce long-term problems.

Frequently Asked Questions (FAQs) – Deep Vein Thrombectomy / Thrombolysis

Deep vein thrombectomy removes a blood clot from a blocked deep vein using special devices, while thrombolysis uses clot-dissolving medicine delivered directly into the clot through a thin tube (catheter).

These treatments are considered for patients with:

  • Large or severe clots in the leg or pelvis
  • Severe pain and swelling
  • Risk of limb damage
  • Clots not improving with medicines alone
  • Certain recent or extensive DVTs

Common symptoms include:

  • Swelling of the arm, face, or neck
  • Heaviness or pain in the arm
  • Prominent veins on the chest or arm
  • Poor dialysis flow or fistula problems

No. It is a minimally invasive, catheter-based procedure, not open surgery.

The procedure is done under local anesthesia and sometimes light sedation, so most patients feel minimal discomfort.

The procedure may take 1 to 3 hours, depending on the size and location of the clot.

Yes. Most patients stay in the hospital for 1–3 days for monitoring, especially if clot-dissolving medicines are used.

Many patients notice reduction in pain and swelling within days, with further improvement over weeks.

Yes. In selected patients and experienced centers, it is safe and effective. Serious complications like major bleeding are uncommon.

Possible risks include bleeding, infection, vein injury, or reaction to contrast dye. Major complications are rare.

Yes. Blood-thinning medicines are still required to prevent new clots from forming.

Yes. DVT can recur, which is why regular follow-up and medication are very important.

Medicines stop new clots and help the body dissolve old ones slowly. Thrombectomy/thrombolysis removes the clot faster, which may reduce long-term vein damage in selected patients.

Patients with high bleeding risk, recent major surgery, or certain medical conditions may not be suitable. Your doctor will evaluate this carefully.

Yes. Deep vein thrombectomy and thrombolysis are available in advanced vascular and interventional centers across India.

Why Choose Deep Vein Thrombectomy / Thrombolysis?

  • Quickly removes or dissolves the clot

  • Relieves pain and swelling faster

  • Reduces long-term leg damage

  • Minimally invasive, no big surgery

  • Can prevent serious complications

Don’t Ignore a Dangerous Blood Clot

If you or your loved one has sudden leg swelling, pain, or diagnosed DVT, early treatment can save the vein—and even save life.

Deep vein thrombectomy/thrombolysis offers a fast, effective, and minimally invasive solution.
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