M Cecconi, H Hochrieser, M Chew, M Grocott, A Hoeft, A Hoste, I Jammer, M Posch, P Metnitz, P Pelosi, R Moreno, R M Pearse, J L Vincent, A Rhodes
BACKGROUND: Abnormal serum sodium concentrations are common in patients presenting for surgery. It remains unclear whether these abnormalities are independent risk factors for postoperative mortality. METHODS: This is a secondary analysis of the European Surgical Outcome Study (EuSOS) that provided data describing 46 539 patients undergoing inpatient non-cardiac surgery. Patients were included in this study if they had a recorded value of preoperative serum sodium within the 28 days immediately before surgery...
January 2016: British Journal of Anaesthesia