Administration instructions

Citra-Lock™ 4%, Citra-Lock™ 30% & Citra-Lock™ 46.7% in 5ml
Citra-Lock™ is a central venous catheter lock solution, used instead of other locks between dialysis sessions. Side effects are transient and are caused by over filling of the catheter lumen resulting in leakage from the catheter tip. The symptoms are metallic taste (dysgeusia) or tingling in the fingers (paresthesia). These potential symptoms need explaining to the patient prior to administration. If symptoms occur, reduce the volume of the next lock by 0.1ml per lumen (see notes). Citra-Lock™ should be administered slowly over 5-10 seconds.


Pre-dialysis (maintain asepsis)
* Prior to initiation of dialysis Citra-Lock™ should be aspirated and discarded and catheter flow assessed according to local policy.

Post-dialysis (maintain asepsis)
* Flush each catheter lumen with 0.9% saline as per local policy.
* Using a 2,5 ml syringe draw up the exact volume of Citra-Lock™ for each lumen and inject slowly over 5-10 seconds.

This volume may be reduced if symptoms were experienced in previous administration (see notes).

Notes
If biofilm or thrombus is present within the lumen the volume will be reduced and the estimated locking volume may over-fill the catheter causing some locking solution to enter the blood stream, this may cause the symptoms described above. Reduce the volume of the locking solution by 0.1ml for the next treatment. Reducing ones the catheter lock solution by more than 0.1ml per lumen may increase the likelihood of intraluminal clotting by leaving space for blood to re-enter the catheter tip. The external catheter limbs may become discoloured when locked with Citra-Lock™, this is not significant.

Download Instructions Citra-Lock 4%

Download Instructions Citra-Lock 30%

Download Instructions Citra-Lock 46,7%