In deep vein thrombosis (DVT), the structure and composition of the venous thrombus can change rapidly over time. Studies have shown mixed results with anticoagulant and thrombolytic therapies, and the issue will be exacerbated in the case of chronic DVT (defined as thrombus still present after ≥4 weeks of failed treatment after a DVT diagnosis), with no well-accepted interventions. In the present report, we have described two patients in whom mechanical thrombectomy with a novel device was used to remove extensive, chronic thrombus. At follow-up, both patients showed improved blood flow and patency with resolution of their edema and pain. Because thrombus can often be more chronic than expected from a patient's medical history alone, mechanical intervention as the first approach might be warranted.
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