Endovascular Management of Venous Obstruction Syndromes

Venous obstruction syndromes encompass a spectrum of conditions in which blood flow through the veins is impeded by intrinsic lesions, extrinsic compression or post‐thrombotic scarring. Common examples include iliac vein compression, post‐thrombotic syndrome, May–Thurner syndrome and nutcracker syndrome. Endovascular management has emerged as the preferred first‐line approach in many of these disorders, offering minimally invasive alternatives to open surgery. Key techniques include balloon angioplasty, deployment of self‐expanding or balloon‐expandable stents, mechanical thrombectomy and adjunctive pharmacological thrombolysis. Imaging guidance—principally duplex ultrasonography, computed tomography venography and intravascular ultrasound—ensures accurate lesion characterisation and optimal device placement. Clinical outcomes are measured by vessel patency, freedom from reintervention and improvement in symptoms such as pain, oedema and venous ulceration. Long‐term data demonstrate sustained relief of venous hypertension, high secondary patency rates and marked quality‐of‐life benefits. Patient selection, inflow assessment and device choice remain critical determinants of success. With refinements in stent design and peri‐procedural protocols, endovascular therapy is extending its reach to treat increasingly complex lesions, reduce hospital stay and lower overall healthcare costs.

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Endovascular Management of Venous Obstruction Syndromes publication trend

The graph below shows the total number of articles in endovascular management of venous obstruction syndromes across all publications each year (not limited to Nature Index journals).

Technical terms

Venous stent: A metallic scaffold deployed within a vein to restore luminal diameter and maintain blood flow.

Patency: The state of being open and unobstructed; primary patency refers to uninterrupted vessel openness without additional interventions.

Deep vein thrombosis (DVT): Formation of a blood clot within a deep vein, often in the lower limbs, which can lead to chronic obstruction if not resolved.

Post-thrombotic syndrome (PTS): A chronic condition characterised by pain, swelling and skin changes following resolution of acute DVT, caused by residual venous obstruction and valvular damage.

References

1. Long Term Follow Up, Causes for Re-intervention, and Consequences for Surveillance After Stenting for Proximal Deep Vein Obstruction. European Journal of Vascular and Endovascular Surgery (2023).
2. Three-Year Results from the Venovo Venous Stent Study for the Treatment of Iliac and Femoral Vein Obstruction. CardioVascular and Interventional Radiology (2021).
3. Twelve-month end point results from the evaluation of the Zilver Vena venous stent in the treatment of symptomatic iliofemoral venous outflow obstruction (VIVO clinical study). Journal of Vascular Surgery Venous and Lymphatic Disorders (2023).