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The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire
07:47

The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire

Published on: December 23, 2014

[The role of the interventional radiologist in central venous catheter dysfunction (pictorial essay)]

Ekrem Altunel1, Ismail Oran, Mustafa Parildar

  • 1Ege Universitesi Tip Fakültesi, Radyoloji Anabilim Dali, Girişimsel Radyoloji Bilim Dali, Bornova, Izmir, Turkey.

Tanisal Ve Girisimsel Radyoloji : Tibbi Goruntuleme Ve Girisimsel Radyoloji Dernegi Yayin Organi
|April 1, 2004
PubMed

Insights

Catheter dysfunction during hemodialysis, often caused by mechanical issues or thrombus, can be effectively managed. Interventional radiology offers safe and efficient alternatives to surgery for correcting these common catheter complications.

Area of Science:

  • Interventional Radiology
  • Nephrology
  • Vascular Access

Background:

  • Vascular access catheters are crucial for hemodialysis.
  • Catheter dysfunction, including poor blood flow and high pressures, is a common complication.
  • Dysfunction can stem from mechanical issues or thrombus formation.

Purpose of the Study:

  • To identify causes of venous catheter dysfunction during hemodialysis.
  • To evaluate the effectiveness of interventional radiological techniques in managing these dysfunctions.
  • To compare interventional radiology with traditional surgical methods.

Main Methods:

  • Contrast injection for diagnosing issues like malposition, thrombus, and fibrin sheaths.
  • Snare-mediated repositioning and guidewire exchanges for malpositioned catheters.
  • Fibrin sheath stripping, guidewire exchanges, and urokinase infusion for fibrin sheath complications.

Main Results:

  • Mechanical problems (malposition, kinking) cause early dysfunction.
  • Thrombus formation (lumen, fibrin sleeve, vein) leads to delayed dysfunction.
  • Interventional radiological techniques successfully corrected various catheter malfunctions.

Conclusions:

  • Interventional radiology provides safe and effective solutions for hemodialysis catheter dysfunction.
  • Prompt diagnosis and targeted interventions can restore catheter function.
  • Minimally invasive radiological approaches are valuable alternatives to surgery.

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