Abstract
ultrasound imaging at 1 year, 10 patients have no follow-up data (three of whom surgery was recently completed, seven of which were lost to followup), and eight patients experienced thrombosis. Stents extended into the inferior vena cava crossing the normal contralateral side in 45 of 66 patients (68%). Seven of these patients (15%) suffered new thrombosis of the nonstented contralateral side. Three of these seven patients were totally noncompliant with their postoperative anticoagulation; thus, 8% of compliant patients had new contralateral thrombosis after stenting across a normal contralateral common iliac vein and into the vena caval wall. Conclusions: To date, there is no consensus whether to stent across the thrombosed common iliac vein into the cava or completely across and into the vena cava. From these data it appears that stenting across the iliocaval confluence can result in a small percentage of contralateral thrombosis despite chronic therapeutic anticoagulation. This data will help us move forward in the development of new technologies and in the treatment of these patients.
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