: Must one take anticoagulants lifelong after stenting of deep veins with a non-thrombotic lesion? Must one take anticoagulants lifelong after stenting of deep veins with a non-thrombotic lesion, for example, aorto-venous conflict

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Must one take anticoagulants lifelong after stenting of deep veins with a non-thrombotic lesion?
Must one take anticoagulants lifelong after stenting of deep veins with a non-thrombotic lesion, for example, aorto-venous conflict (May-Thurner syndrome)?

Or is it enough to take anticoagulants only in the first 6 months, until the stent grows into the vein?
link.springer.com/article/10.1007%2Fs00270-014-0875-4

Platelet aggregation is known to be important in high-flow, high-shear
environment, such as in the coronary arteries, whereas coagulation may
be more important in the fibrin-rich thrombi characteristic of the
low-flow, low-shear venous circulation [42]. The relative importance
of antiplatelet agents versus anticoagulants has never been evaluated
in clinical trials and is largely based on extrapolation from the
arterial system and an understanding of the venous system. Based on
clinical data on stenting of chronic iliocaval occlusions, long-term
warfarin is recommended in patients with long occlusions, underlying
thrombophilia, suprarenal occlusions, and previous long-term
anticoagulation and poor inflow on completion angiogram [43, 44]. With
postthrombotic lesions being more prone to restenosis, the use of
anticoagulants appears to be useful in this subgroup. Thus, although
the use of antiplatelet agents and anticoagulants has not been studied
systematically, there seems to be a role for these drugs.

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