Abstract
276 This abstract has been withdrawn. 277 AComparison ofOral and Intravenous SodiumBicarbonate on Urinary pH in Patients at Risk of Contrast-induced Nephropathy: A Pilot Study P. To, F. Chahadi ∗, M. Freeman, M. Pan, O. Farouque, P. Mount Austin Health, Australia Aim: Intravenous sodiumbicarbonate infusionhasbeen shown to reduce the risk of contrast-induced nephropathy (CIN). We sought to determine whether oral sodium bicarbonate has a similar effect onurinepH to intravenous sodium bicarbonate in patients at risk of CIN. Methods:Cardiology and renal patients scheduled for a non-urgent contrast enhanced procedure and who were eligible for intravenous bicarbonate administration per Austin health guidelines to prevent CIN were invited to participate. Participants received intravenous bicarbonate (150mmole) at 3mmol/kg/h one hour prior, then 1mmol/kg/h during and after the procedure. Participants returned to the hospital three weeks post procedure for o 8 p a h
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