Citrate of choice Cumulative incidence of MRSA bloodstream infections at St Bart’s Hospital St Bart’s, renal unit (Royal London) has a proven record in managing MRSA, but the number of infections across the hospital has steadily increased as shown on this diagram. However, since the introduction of Citra-Lock™ (46.7%) to the renal department the number of MRSA infections has fallen from 2.27/1,000 haemodialysis days to 1.36/1,000 haemodialysis days. Citra-Lock™ intervention provides significant benefit to patients, provides an extra 2-3 bed days to the hospital and provides savings of £100,000’s.