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. 2010 Jul 14;7(4):304–311. doi: 10.1111/j.1742-481X.2010.00712.x

Figure 4.

Figure 4

The (A) total heart volume variation and (B) cardiac output in non‐sternotomised pigs and sternotomised pigs before and after the application of negative pressure wound therapy (NPWT) of −75, −125 and −175 mmHg. The results are presented as mean values ± standard error on the mean. Note that after sternotomy, the cardiac pumping effciency appears to decrease (increase in total heart volume variation), and cardiac output increases, and these measures return to control levels upon application of NPWT.