Year in review in Intensive Care Medicine 2012: I. Neurology and neurointensive care, epidemiology and nephrology, biomarkers and inflammation, nutrition, experimentals.

In addition to the well known risk factors of age, heart failure, diabetes, chronic kidney disease and hypertension, an observational study including 1,182 patients with normal baseline renal function undergoing off-pump coronary artery bypass surgery determined albumin levels <4 g/dl as independent risk factor for postoperative AKI (OR = 1.83), remaining highly significant even after correction by a propensity score [ 24 ].

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