What are the different types of IVC filters?

What are the different types of IVC filters?

There are two general types of IVC filters currently available in the United States: permanent and optional (or retrievable). Permanent filters have been used since the 1970s and are placed in patients with a long-term need for mechanical prophylaxis against PE and absolute contraindications to anticoagulation.

How many IVC filters are there?

There are two types of IVC filters that can be placed. Your doctor will determine which type of filter is right for you. These filters are placed in patients that have a permanent contraindication or complication to anticoagulation medications, patients that are elderly, or have a poor prognosis (survival < 6 months).

Is a Greenfield filter an IVC filter?

The Greenfield filter has been on the market the longest, it is the most extensively evaluated filter, and it has become the criterion standard with which other IVC filters are compared. (See the image below.)

Are there permanent IVC filters?

In broad terms, modern IVC filters can be divided into two categories: permanent IVC filters (pIVCFs) and retrievable IVC filters (rIVCFs). pIVCFs are percutaneously placed intracaval filtration devices that trap migrating venous thromboemboli and prevent pulmonary emboli (PE) while allowing caval flow-through.

What are IVC filters?

An inferior vena cava (IVC) filter is a small device that can stop blood clots from going up into the lungs. The inferior vena cava is a large vein in the middle of your body. The device is put in during a short surgery. Veins are the blood vessels that bring oxygen-poor blood and waste products back to the heart.

Do you need anticoagulation If you have IVC filter?

Conclusion: Inferior vena cava filters can be placed in patients who cannot receive concomitant anticoagulation without placing them at significantly higher risk of development of venous thromboembolism.

How long do IVC filters stay in?

The U.S. Food and Drug Administration (FDA) recommends removing temporary IVC filters after 29-54 days. While this is not very long, it should provide enough time for the acute threat to pass or to find another solution that can work on a long-term basis.

Do you need anticoagulation after IVC filter?

Anticoagulation should be resumed in patients with an IVC filter once contraindications to anticoagulation or active bleeding complications have resolved (class I). Patients who receive retrievable IVC filters should be evaluated periodically for filter retrieval within the specific filter’s retrieval window (class I).

Can you get MRI with IVC filter?

Most manufacturers make their inferior vena cava (IVC) filters of non-ferromagnetic materials, meaning IVC filters are typically MRI safe.

Can you get PE with IVC filter?

For permanent filters, research has shown that breakthrough PE—despite the IVC filter—occurred in 0% to 6.2% of cases. One randomized controlled trial 10 showed that PE occurred in 15.1% of high-risk patients who did not receive IVC filters.

How long can IVC filters stay in?