AVF Journal Club: Venous Stent Back Pain and Outcomes

Back Pain After Venous Stenting: No Difference by Stent Type

Among 630 patients, 60 percent reported mild back pain at one week regardless of nitinol versus Wallstent type, diameter, or covered length, dropping below a score of one by one month, suggesting pain relates more to vein stiffness than radial force.

Anticoagulation and Sizing Pearls for Nonthrombotic Stenting

Panelists avoid anticoagulation for nonthrombotic lesions given 96 to 99 percent patency without it, size stent diameter to the external iliac landing zone rather than the common iliac, and warn that oversizing can create an inflow stenosis via the Poisson effect.

Two-Year Registry: Nitinol Stents Sustain Clinical Improvement

Across 79 nonthrombotic and post-thrombotic patients, revised venous clinical severity scores improved significantly by one month and held through 24 months with high patency, though only 56 percent completed follow-up and no control group was included.

Clinical Pearls: Vein Wall Remodeling and Thrombus Layering

Presenters described re-endothelialization in nonthrombotic stents versus intimal hyperplasia-like organizing thrombus in recanalized post-thrombotic veins, cautioning against reflexive intervention since mild layering often regresses as thrombus contracts into collagen.