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Figure 2 Myocardial metabolism during ischemia and reperfusion for the four different groups: control group (squares), fully supported group (circles), group supported during reperfusion only (diamonds), and group with partial support during reperfusion (x). *Significant difference (analysis of variance with Newman-Keuls post-hoc testing: p < 0.05) compared with the control group. Mechanical support influences myocardial oxygen consumption (MVO2) (upper panel). There was a significant reduction of oxygen consumption in all supported groups at all supported times. The lactate extraction ratio (LER) (lower panel) was significantly reduced during ischemia in all groups, except for the fully supported group. At reperfusion, the LER increased again, but the differences are not significant.
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