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Effect of Iliac Vein Stenting of NIVLs on Venous Reflux Times
Yuriy Ostrozhynskyy, Pavel Kibrik, Vivek Sreeram, Ahmad Alsheekh, Anil Hingorani, MD, Eleanora Iadgarova, NP, Enrico Ascher, MD.
Total Vascular Care, Brooklyn, NY, USA.

Objective:
Iliac vein stenting of NIVL (nonthrombotic iliac vein lesions) is becoming a common treatment option for venous insufficiency. This treatment option helps relieve symptoms of venous insufficiency that is derived from venous reflux. We examined effect that iliac vein stenting had on reflux times pre-stenting and post-stenting.
Methods:
From months, we have performed 1,629 venograms with angioplasties and stenting of the iliac veins. These procedures were filtered to only include the venograms where a stent was placed, and no other vascular procedures was performed between “pre” and “post” venous mapping tests. This was done to ensure that the iliac vein stent placed was the only procedure affecting the venous reflux. This left a total of 515 procedures were performed over the course of 118 months. Reflux was measured using ipsilateral ultrasound.
Results: The average age of the patients were 64.68 years old (range 24-95, SD +/- 14.35), with 341 females and 173 males. The CEAP scores were C2 (0.91%), C3 (21.14%), C4 (56.36%), C5 (5.00%), and C6 (16.59%). Table I shows the average reflux values, pre/post-stent, and the tendency of the decrease in reflux.
Conclusion:
Our data reveals a uniform decrease in the vein reflux of pre-stent and post-stent reflux values. However, no statistical significance was calculated between the pre-stent and post-stent average reflux time probably due to the large standard deviation.


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