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  • Title: Taurolidine-citrate-heparin catheter lock solution reduces staphylococcal bacteraemia rates in haemodialysis patients.
    Author: Murray EC, Deighan C, Geddes C, Thomson PC.
    Journal: QJM; 2014 Dec; 107(12):995-1000. PubMed ID: 24939191.
    Abstract:
    BACKGROUND: Infection is second only to cardiovascular disease as a cause of death in the haemodialysis (HD) population. AIM: : To assess the effect of introducing catheter lock solution taurolidine-citrate-heparin to all tunnelled central venous catheters (TCVCs) on staphylococcal bloodstream infection rates in patients on chronic HD. DESIGN: Observational, prospective analysis of the incidence rates of staphylococcal bacteraemic events in National Health Service (NHS) Greater Glasgow & Clyde and NHS Forth Valley between April 2011 and June 2013, with taurolidine-citrate-heparin catheter lock solution introduced July 2012. METHODS: Data were collected each calendar quarter through a structured query language interrogation of the renal unit electronic patient record, with staphylococcal bacteraemic events expressed per 1000 vascular access exposed days. Comparison between pre- and post-intervention periods was made by student's t-testing. RESULTS: Two hundred and thirty-nine staphylococcal bacteraemic events occurred over a total of 424,835 HD days in 565 patients; 81 events in 289,389 arterio-venous fistula or graft (AVF/AVG) HD days and 158 events in 135 446 TCVC HD days. Following the introduction of taurolidine-citrate-heparin, bacteraemic events in patients dialysing via a TCVC fell from 1.59/1000 HD days to 0.69/1000 HD days, P = 0.004. The staphylococcal bacteraemia rate in AVF/AVGs remained unchanged; 0.30 vs. 0.26/1000 HD days, P = 0.52. CONCLUSIONS: Replacing heparin 5000 IU with Taurolidine-citrate-heparin as catheter lock solution was associated with a statistically significant 56% reduction in staphylococcal bloodstream infection rates in our TCVC HD population.
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