Central Venous Access Devices (CVADs)

Central Venous Access Devices (CVADs) 150 150 Tony Guo

Central Venous Access Devices (CVADs)


  • Catheters placed in large blood vessels
    • Subclavian vein, jugular vein
  • Three main types
    • Centrally inserted catheters
    • Peripherally inserted central catheters
    • Implanted ports
  • Applications
    • Allows for frequent, continuous, rapid, or intermittent administration of fluids and drugs
    • Allow for giving drugs that are potentially vesicants
    • Used to administer blood/blood products and parenteral nutrition
    • Useful  for patients with limited peripheral vascular access or need for long-term vascular access
    • Hemodynamic monitoring
    • Venous blood samples
    • Injection of radiopaque contrast media
  • Advantages
  • Immediate access
  • Reduced venipunctures
  • Decreased risk of extravasation
  • Disadvantages
    • Increased risk of systemic infection
    • Invasive procedure

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