Catheter-directed thrombolysis and/or thrombectomy to remove or dissolve venous clots and restore flow.
Patients with extensive acute DVT, severe pain/swelling, or high risk of post-thrombotic syndrome.
Specialized catheters deliver thrombolytics or mechanical devices extract thrombus; venous stenting may be used when indicated.
Rapid symptom improvement and reduced long-term venous damage in selected cases.