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Vascular access for dialysis in the intensive care unit
Bernard Canaud1, Simon Desmeules, Kada Klouche
1Department of Nephrology, Intensive Care Units, Renal Research and Training Institute, Lapeyronie University Hospital, CHU Montpellier, 34295 France. b-canaud@chu-montpellier.fr
Best Practice & Research. Clinical Anaesthesiology
|February 6, 2004
Summary
Managing vascular access for renal replacement therapy in acute renal failure requires creating adequate access while preserving the vascular network for potential chronic kidney disease. Proper catheter selection and insertion techniques are crucial for patient outcomes.
Area of Science:
- Nephrology
- Vascular Surgery
- Critical Care Medicine
Background:
- Vascular access (VA) for renal replacement therapy (RRT) in acute renal failure (ARF) presents a dual challenge: ensuring adequate acute access and preserving the vascular network for potential future chronic kidney disease.
- Central venous catheters are the standard VA in intensive care settings for RRT.
Purpose of the Study:
- To outline optimal strategies for vascular access creation and management in ARF patients.
- To emphasize the importance of preserving the patient's vascular network for long-term RRT needs.
Main Methods:
- Review of current practices and recommendations for VA in ARF.
- Discussion of catheter types (polyurethane, silicone, twin-catheters) and insertion routes (femoral, internal jugular, subclavian).
- Emphasis on ultrasound guidance and adherence to best practice guidelines for catheter care.
Main Results:
- Semi-rigid catheters are suitable for short-term RRT (up to 2-3 weeks).
- Soft silicone or twin-catheters with tunnelling are preferred for prolonged RRT (over 3 weeks).
- Femoral access is recommended with risk factors; internal jugular for mid-term use; subclavian access should be avoided due to complication risks.
Conclusions:
- Appropriate catheter selection and insertion techniques, including ultrasound guidance, are vital for effective RRT and minimizing complications.
- Preserving the upper limb vascular network by avoiding inflammation, infection, and thrombosis is essential for chronic kidney disease patients requiring long-term RRT.