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A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit

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Catheter lock solutions: it's time for a change.

S Mandolfo¹, S Borlandelli, A Elli

¹Renal Unit, Maggiore Hospital, Lodi, Italy. nefrodialisi.lodi@ao.lodi.it

The Journal of Vascular Access

|October 5, 2006

Summary

Trisodium citrate and taurolidine offer effective, safe alternatives to heparin for hemodialysis (HD) central vascular catheters (CVCs), preventing infections and biofilm. Higher citrate concentrations may reduce clotting but require further study and strict protocols.

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Area of Science:

Nephrology
Infectious Diseases
Vascular Access

Background:

Central vascular catheters (CVCs) are increasingly used in hemodialysis (HD), posing risks of catheter-related bloodstream infections (CR-BI) and inadequate dialysis.
Heparin, a common CVC lock solution, may promote biofilm formation, contributing to complications.

Discussion:

Alternative CVC lock solutions like trisodium citrate (TSC) (30-47%), citrate (4%), and taurolidine (1.35%) show promise in preventing CR-BI.
High citrate concentrations (47%) may also improve catheter patency by reducing clotting.

Key Insights:

Citrate and taurolidine are effective and safe alternatives to heparin for preventing CR-BI in HD CVCs.
High-concentration citrate demonstrates potential in mitigating catheter-related clotting.

Outlook:

Further controlled studies with larger patient populations are needed to validate the efficacy and safety of high-concentration citrate.
Implementation of citrate solutions requires skilled personnel and rigorous protocols due to potential side effects like transient hypocalcemia.