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New Treatment Methods for Deep Vein Thrombosis and Pulmonary Embolism

New Treatment Methods for Deep Vein Thrombosis and Pulmonary Embolism

With the development of modern medicine, percutaneous procedures have been used to treat both deep vein thrombosis (DVT) and pulmonary embolism (PE). Through these treatment methods, the incidence of PE, which may develop in the early phase due to DVT, is reduced and post thrombotic syndrome, the most common problem of these patients in the late phase, can be prevented. Also, the need for intensive care in the early phase is eliminated in patients with PE, reducing the risk of mortality and morbidity and preventing possible chronic lung disease that may develop in the long term.

New Treatment Methods for Deep Vein Thrombosis and Pulmonary Embolism

These treatments, performed under local anesthesia in the angiography room, are completely painless. The patient feels only the local anesthesia used during the first injection. Both ultrasound and angiography are used in these procedures, which are performed face down.

New Treatment Methods for Pulmonary Embolism

By establishing an access to the vein on the knee with ultrasound control, the catheter is advanced with a guide wire after passing the occlusion.

First, a venography is performed and the part of the vein occluded with a clot is traced. Then the clot is dissolved/aspirated and the vein is dilated using the following appropriate methods.

1. AngioJet Pharmacomechanical Thrombectomy
The “Angiojet device,” which is advanced through the clot, allows simultaneous dissolution and aspiration of the thrombus by infusion of a clot-dissolving drug (thrombolytic) and a high-velocity jet of saline.

It can be used for all types of deep vein thrombosis with different catheter diameters and lengths. It can also be used safely and effectively in the treatment of pulmonary embolism.

Because the clot is aspirated while it is dissolved during the procedure, the risk of pulmonary embolism is very low. The risk of major hemorrhage is also very low because the dose of thrombolytics and blood thinners used is very low.

2. Catheter-directed, Ultrasound-assisted Thrombolysis

The ultrasound waves used in this method in which the organized clotting fibers are separated and the effect of the thrombolytic process is enhanced.

In other words, the ultrasound waves facilitate the penetration of the clot-dissolving drug into the clot, thus enhancing its effect. Another substantial aspect of thrombolytic therapy is the dissolution of clots that have remained behind the venous valves.

3. Percutaneous Aspiration Thrombectomy

The treatment “aspiration thrombectomy” is gaining importance for patients who cannot take thrombolytic (clot-dissolving) medications.

Through this catheter with advanced technology, which consists of a spring system that runs over the guide wire and rotates at more than 4000 revolutions per second, the clot in the vein is quickly and actively removed, and patients have the opportunity to be treated without taking anticoagulants.

While almost complete treatment is possible for thrombosis detected in the early phase (in the first 14 days), the success rate of treatment decreases in parallel with waiting and hardening of the clot in the following weeks.

Tags: new treatment methods, interventional treatment, thrombectomy, clot aspiration, thrombolytic therapy, clot lysis treatment, doppler, ultrasound, venography, local anesthesia, stent