Specialized in Diagnosing and Treating May-Thurner Syndrome with Expert Care
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What is May-Thurner Syndrome?
May-Thurner Syndrome (MTS) is a condition where the left iliac vein (B), which carries blood from the left leg back to the heart, is compressed by the right iliac artery (A).
This compression can slow down blood flow and increase the risk of developing deep vein thrombosis (DVT)—a blood clot in the deep veins of the leg.
This compression can slow down blood flow and increase the risk of developing deep vein thrombosis (DVT)—a blood clot in the deep veins of the leg.
What Are May-Thurner Symptoms?
Without a Blood Clot:
- Mild to moderate swelling in the left leg
- Aching or heaviness in the leg, especially after standing or walking
- Visible varicose veins in the left leg or groin area
- Skin discoloration or mild redness
- Sudden, severe swelling in the left leg
- Pain or tenderness, especially in the calf or thigh
- Warmth or redness over the affected area
- Skin that feels tight or firm
May-Thurner
Syndrome Causes
The primary cause of May-Thurner Syndrome (MTS) is anatomical compression, specifically, the right iliac artery pressing down on the left iliac vein.
This pressure narrows the vein, slows blood flow, and increases the risk of developing a deep vein thrombosis (DVT) in the left leg.
This compression is often a congenital (present at birth) structural issue, though symptoms may not appear until later in life or after certain risk factors (like pregnancy or prolonged immobility) trigger clot formation.
This pressure narrows the vein, slows blood flow, and increases the risk of developing a deep vein thrombosis (DVT) in the left leg.
This compression is often a congenital (present at birth) structural issue, though symptoms may not appear until later in life or after certain risk factors (like pregnancy or prolonged immobility) trigger clot formation.
May-Thurner Syndrome Risk Factors
Whether you have symptoms or not, certain lifestyle factors, medical history, and physical traits may increase your risk. Below, we’ve outlined the most common risk factors for MTS.
May-Thurner
Treatment Options
- Blood Thinners (Anticoagulants):
Used to treat or prevent blood clots like deep vein thrombosis (DVT). - Angioplasty and Stenting:
A small balloon is used to open the narrowed vein, and a stent (a small mesh tube) is placed to keep it open long-term. - Thrombolysis or Thrombectomy:
If a large clot is present, doctors may use medication to dissolve it (thrombolysis) or a procedure to remove it (thrombectomy). - Compression Stockings:
Help reduce swelling and support circulation, especially after a clot has formed. - Surgery (Rare):
In severe or complex cases, surgical bypass may be considered, though this is uncommon.
Meet Our Doctors
Expert Vein & Arterial Care with Advanced, Minimally Invasive Treatments
Dev Batra, MDVascular & Interventional Radiologist
Steve C. Hong, MDVascular & Interventional Radiologist
Kareem Elshatory, MDVein
Specialist
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