Figure 1. Plasma concentrations of interleukin-6, C-reactive protein, and leukocyte counts in patients without systemic inflammatory response syndrome (no SIRS; n = 23), in patients with SIRS but without acute lung injury (SIRS without ALI; n = 8), and in patients with SIRS and acute lung injury (SIRS with ALI; n = 9). Data point 1: after induction of general anesthesia but before CPB. Data point 2: 30 min after the initiation of cardiopulmonary bypass. Data point 3: 5 min after removal of aortic cross-clamping. Data point 4: 4 h after operation.