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Published byCleopatra Wright Modified over 9 years ago
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Originally Created By: Sheila Elliott MN, RN Revised By: Tina Haayer, RN, BScN
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What is the definition of a CVAD? What are the different types of CVADs? Why are CVADs used? How do you care for the different types of CVADs? What are the complications associated with CVADs?
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A venous access device whose tip lies within the lower third of the vena cava (superior or inferior) or the right atrium. (Dougherty, 2006)
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PICC – Peripherally Inserted Central Catheter Short-term, non-tunnelled CVAD - inserted directly into a central vein Long tern, tunnelled CVAD – inserted under the skin IVAD – Implanted Venous Access Device
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Inserted in antecubital region and threaded into central circulation Very soft and flexible, easily damaged Lower risk of infection No BP’s or venipuncture on that arm May be removed by RN once observed Single or double lumen May be an open or a closed system Tip Insertion
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Open-ended Non-Groshong Open-ended Non-Groshong Closed-ended Groshong Closed-ended Groshong
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Inserted into jugular, femoral or subclavian vein
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Left in place until treatment complete, or complications occur Located beneath the subcutaneous tissue Appears as a palpable protrusion under the skin Lower risk of infection May only be accessed with a non-coring needle Needles to be changed every 7 days, or every day if infusing TPN/blood products
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Reliable for patients requiring long term access (eg: chemotherapy, TPN) Emergency access and for rapid infusion of fluids or blood products To monitor central venous pressure To provide venous access for patients who have poor peripheral venous access Patient preference
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ADVANTAGES DISADVANTAGES Reliable long term access Used for multiple blood samples Used for blood products, meds, TPN & fluids Removes need for constant venipuncture or peripheral punctures Reliable long term access Used for multiple blood samples Used for blood products, meds, TPN & fluids Removes need for constant venipuncture or peripheral punctures ↑ risk of infection ↑ risk of thrombus Exposes patient to risk during insertion (pneumothorax) Can affect body image Can be traumatic to patient and may require general anesthetic for insertion (Dougherty, 2006)
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Prevention of infection Maintaining patency Preventing damage
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Strict handwashing Use sterile technique Change dressings as recommended Occlusive dressing over exit site Keep system closed as much as possible Change tubing, solutions and injection caps as recommended Monitor for early signs of sepsis
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Patency is the ability to: ◦ Infuse through a catheter ◦ Aspirate blood from a catheter Maintain patency with saline flushes: ◦ Prior to and after meds, TPN, etc. ◦ Before and after blood draws ◦ Refer to hospital policy Methods of flushing include : ◦ Turbulent or pulsatile flush (creates turbulence and ↓ potential for debris to stick to inside or tip of catheter) ◦ Positive pressure (prevents backflow of blood into end of catheter)
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Proper securement of CVAD is vital in preventing the following complications: ◦ Catheter migration ◦ Phlebitis ◦ Damaged catheter
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L. Dougherty. (2006). Central Venous Access Devices: Care and management. Oxford, UK: Blackwell Publishing Ltd.
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