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Unconventional venous access.

Susan M Weeks1

  • 1Department of Radiology, University of North Carolina at Chapel Hill, USA.

Techniques in Vascular and Interventional Radiology
|December 19, 2002
PubMed
Summary
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Securing venous access for interventional radiology can be difficult in patients with prior catheter placements. This review covers conventional and unconventional techniques for challenging venous access, including internal jugular and subclavian veins.

Area of Science:

  • Interventional Radiology
  • Vascular Access
  • Medical Procedures

Background:

  • Venous access is fundamental in interventional radiology.
  • Previous central venous catheter placements can complicate future access.
  • Identifying optimal venous access sites is crucial for patient care.

Purpose of the Study:

  • To review conventional and unconventional venous access techniques.
  • To provide guidance on selecting appropriate venous access sites.
  • To address challenges in venous access for interventional procedures.

Main Methods:

  • Review of established and alternative venous catheterization methods.
  • Discussion of anatomical considerations for venous access.
  • Analysis of patient factors influencing access site selection.

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Main Results:

  • Internal jugular veins (IJV) are primary sites for catheter-dependent patients.
  • External jugular veins (EJV) are recommended before subclavian vein (SCV) use, especially in dialysis.
  • Unconventional methods include common femoral vein, collateral vessels, recanalization, translumbar IVC, and transhepatic catheter placement.

Conclusions:

  • A stepwise approach to venous access is essential.
  • Prioritizing less invasive sites like IJV and EJV is recommended.
  • Advanced techniques are necessary when standard sites are unavailable.