Acute renal dysfunction (ARD) following orthopaedic surgery is known to increase morbidity, mortality, and length of hospital stay. The aim of this study was to compare the incidence of new acute post-operative renal dysfunction between two cohorts of elective orthopaedic surgical patients receiving either cefuroxime or a combination of gentamicin and flucloxacillin as prophylactic antibiotic regimes. The study was initiated following a change in antibiotic prophylaxis within our unit from cefuroxime to gentamicin and flucloxacillin. Using a standardised data collection tool we retrospectively reviewed medical records of 238 patients who had received 1.5g of cefuroxime (TKR: n = 128; THR: n=110). This data was compared to prospectively collected data from 254 patients (TKR=117 THR=137) who had received Flucloxacillin 2g and Gentamicin (with the dose based on height). Primary outcome measure for the study was the RIFLE criteria which grades renal impairment: 0-Nil, 1-Risk, 2-Injury, 3-Renal failure.Introduction
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