Ve Care 2005, 33:528-530.P456 Mid-regional pro-atrial natriuretic peptide is a strong predictor of outcome in an unselected cohort of critically ill patientsB Meyer1, P Wexberg1, R Berger1, D Moertl1, N Morgenthaler2, J Struck2, A Bergmann2, G Heinz1, R Pacher1, M Huelsmann1 1Medical University of Vienna, Austria; 2B.R.A.H.M.S. Ag, Henningdorf, Germany Critical Care 2007, 11(Suppl 2):P456 (doi: 10