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Chronic DVT

  • About
  • About
Overview
Symptoms
Causes
Types
  • Acute DVT
  • Chronic DVT
Diagnosis
  • Duplex Ultrasound
  • MRI
Treatments
  • Medications
  • Vena Cava Filter
  • Preventative Treatment Methods
Overview
Symptoms
Causes
Types
  • Acute DVT
  • Chronic DVT
Diagnosis
  • Duplex Ultrasound
  • MRI
Treatments
  • Medications
  • Vena Cava Filter
  • Preventative Treatment Methods

Chronic DVT

A clot that is over one to two months old is called "chronic." The clot becomes harder and scars the vein. As a result of this process, the vein becomes much smaller and does not allow blood to flow through effectively.

Symptoms of chronic DVT

Patients with chronic DVT experience leg swelling, pain, and often skin discoloration of the leg below the knee. These patients are typically prescribed compression stockings in order to help with these symptoms. These symptoms are related to the vein being blocked and not allowing blood flow out of the leg.

Treating chronic DVT

At Stanford we have a variety of new techniques to re-open veins that have been blocked for years. We have opened up veins that have been blocked for 25 years, with significant improvement in the patients' symptoms.

We usually place metal stents into these blocked veins to keep the veins open. The stents are similar to those put in the heart, except the stents we use in veins are much larger. Placing the stents usually does not require more than a band-aid where we entered the vein. This typically requires a short hospital stay. 

Of particular interest to our faculty are blood clots that occurred while on oral contraceptives, also known as birth control pills or while pregnant. We have developed an effective method to treat these women, and get them back to their active lifestyle.

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Condition Spotlight

Patient Stories Deep Vein Thrombosis (DVT): Peggy's story Watch Video
Clearing Pathways: Imaging and Reimagining Open New DVT Treatment Doors
Clearing Pathways: Imaging and Reimagining Open New DVT Treatment Doors Play Video | 3:18
Removing Tiny Filter Embedded in Vein Takes Expertise Unique to Stanford Hospital
Removing Tiny Filter Embedded in Vein Takes Expertise Unique to Stanford Hospital Play Video | 3:38
Deep Vein Thrombosis (DVT) - Interventional Radiology - DVD Series Watch Video

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Open Trials Closed Trials
Phase 1 Pediatric Pharmacokinetics/Pharmacodynamics (PK/PD) Study Deep Vein Thrombosis (DVT)
Acute Medically Ill VTE Prevention With Extended Duration Betrixaban Study (The APEX Study) Deep Vein Thrombosis (DVT)
Acute Venous Thrombosis: Thrombus Removal With Adjunctive Catheter-Directed Thrombolysis
The GORE Viabahn Endoprosthesis for the Treatment of Venous Occlusions and Stenoses

Clinics for Chronic DVT

  • Vascular and Endovascular Care
    650-725-5227
  • Interventional Radiology
    650-724-7362
  • Vascular and Vein Clinic
    650-498-8981
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