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Related Experiment Video

Updated: Dec 7, 2025

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

Published on: May 31, 2022

Dyeless iliac vein stenting.

Taqwa Ahmed^1,2, Jesse Chait^1,2, Pavel Kibrik^1,2

¹Vascular Institute of New York, Brooklyn, NY, USA.

|September 29, 2020

Summary

This summary is machine-generated.

Iliac vein stenting using intravascular ultrasound alone is as safe as using it with venography, showing no significant difference in stent thrombosis rates. This approach is safe for patients unable to tolerate contrast dye.

Keywords:

Iliac vein stenting endovascular procedures intravascular ultrasound vascular surgery venography

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Area of Science:

Vascular Surgery
Interventional Radiology
Medical Imaging

Background:

Iliac vein stenting is a treatment for chronic venous insufficiency.
Venography is the gold standard for iliac vein assessment, but contrast dye poses risks.
Intravascular ultrasound (IVUS) is proposed as a sensitive alternative for detecting stenotic lesions.

Purpose of the Study:

To investigate the impact of forgoing contrast dye (venography) on iliac vein stent thrombosis.
To compare stent thrombosis rates between IVUS-only procedures and IVUS plus venography.

Main Methods:

Retrospective study of 1482 iliac vein procedures (2012-2016) on 992 patients.
Cohorts: 91 IVUS-only and 1391 IVUS plus venography.
Stent thrombosis categorized as early (<30 days) or late (>30 days), and partial or occlusive via duplex ultrasound.

Main Results:

No significant difference in early stent thrombosis (2.2% IVUS-only vs. 2.75% IVUS+venography, p=0.35).
No significant difference in late stent thrombosis (4% in both groups, p=0.97).
Overall stent thrombosis rates were similar between groups (6.2% IVUS-only vs. 6.75% IVUS+venography, p=0.55).

Conclusions:

Forgoing venography in iliac vein stenting does not significantly increase stent thrombosis risk.
Intravascular ultrasound alone is a safe alternative for iliac vein stenting, especially for high-risk patients.
This finding supports IVUS-only procedures for patients with contraindications to contrast dye.