Can a DVT with filter be fatal? Mom has filter but paratoneal vein FULL of clots. High risk for blood thinners. Leg continues to swell. Options?

Difficult situation . IVC Filter is not intended to be a replacement for medical management of DVT. But, if there is a high risk of a pulmonary embolism, PE, and anticoagulation (blood thinners) is contraindicated, placement of a filter is recommended. Depending on how high is the risk of bleeding, catheter directed thrombolysis and/or thrombectomy can be considered as a treatment option for symptomatic DVT. .