Intraoperative hemofiltration exhibits no clinical benefit in patients with end-stage renal failure undergoing cardiac surgery. A multicenter study - Bechtel, M; Fischlein, T; Krabatsch, T; Nägele, H; Osswald, B; Schönburg, M; Scholz, F; Stamm, C; Stripling, J; Sievers, H; Bartels, C (The Thoracic and Cardiovascular Surgeon, 2005)