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Figure 1 Time Course of CPI Serum Lactate, and Hemolysis
(A) Time course of the modified cardiac power index (CPI) after implantation of Impella LP2.5 or intra-aortic balloon pump. For Impella patients, total CPI is shown as the sum of CPI attributable to the work of the left ventricle (LV) (CPILV; red bars) and of the device (CPIImpella, black bars). (B) Time course of serum lactate (mean ± SD). (C) Time course of free hemoglobin (median and interquartile range). *p < 0.05 between treatment groups at the specific time points.
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