Percutaneous intervention for symptomatic central vein stenosis in patients with upper limb arteriovenous dialysis

Ashwal Aj1, Abdul Razak Uk1, Padmakumar R1

  • 1Department of Cardiology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India, India.

Indian Heart Journal
|November 6, 2018
PubMed

Insights

Endovascular therapy for central venous stenosis in dialysis patients is safe and technically successful. However, multiple interventions are often needed, and long-term patency rates remain suboptimal.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Nephrology

Background:

  • Central venous stenosis is a common complication in dialysis patients.
  • It significantly impacts the long-term function of arteriovenous access in the upper extremities.
  • Symptomatic stenosis can lead to significant ipsilateral limb edema.

Purpose of the Study:

  • To evaluate the feasibility and clinical success of endovascular treatment for symptomatic central venous stenosis.
  • To assess the outcomes in dialysis patients with upper limb vascular access and limb edema.

Main Methods:

  • Retrospective review of hemodialysis patients treated for central venous stenosis between January 2014 and January 2017.
  • Analysis of endovascular interventions including percutaneous transluminal angioplasty (PTA) with or without stenting.
  • Variable follow-up periods were recorded.

Main Results:

  • Ten patients underwent thirteen endovascular interventions with a 100% technical success rate.
  • Primary patency rates were 67% at 6 months and 33% at 12 months for PTA with stenting.
  • Assisted primary patency was 75% at 6 months, with no immediate complications.

Conclusions:

  • Endovascular therapy for central venous stenosis is a safe procedure with a low rate of technical failure.
  • The need for multiple interventions is common.
  • Long-term patency rates following endovascular treatment are not consistently favorable.

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