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  • Title: Observational study of need for thrombolytic therapy and incidence of bacteremia using taurolidine-citrate-heparin, taurolidine-citrate and heparin catheter locks in patients treated with hemodialysis.
    Author: Solomon LR, Cheesbrough JS, Bhargava R, Mitsides N, Heap M, Green G, Diggle P.
    Journal: Semin Dial; 2012; 25(2):233-8. PubMed ID: 21916999.
    Abstract:
    Catheter-related blood stream infections may be reduced by interdialytic locking with Taurolidine, a nontoxic antimicrobial agent. A formulation of 1.35% Taurolidine in 4% citrate (TC) is associated with a greater need for thrombolysis to maintain catheter patency than 5000 U/ml heparin. Our aim was to determine whether addition of 500 Units/ml of heparin to TC reduces the need for thrombolysis. TCH (1.35% taurolidine, 4% citrate and 500 U/ml heparin) was compared to TC and Heparin 5000 U/ml using retrospective data. Hundred and six adult hemodialysis patients with internal jugular tunnelled intravascular catheters using TCH were compared with 34 patients using TC and 34 patients using heparin 5000 U/ml respectively. Outcomes were time to first use of thrombolysis and bacteremia rates.TCH reduced the need for thrombolysis compared to TC (hazard ratio, 0.2; 95%CI: 0.06, 0.5; p < 0.001) and was not significantly different from heparin 5000 U/ml (hazard ratio, 1.4; 95%CI: 0.5, 3.9; p = 0.5). The bacteremia rates from all causes were 1.33, 1.22 and 3.25 per 1000 catheter- days (p < 0.001) in the TCH, TC and heparin groups respectively. Addition of 500 U/ml heparin to TC reduces the need for thrombolysis without increasing bacteremia and may achieve patency comparable to heparin 5000 U/ml.
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