Fig. 1

Hemodynamic variables and plasma proANP during esophagectomy. Values are mean +/− SEM. ○ No change. *Different from previous value, p < 0.05. ● Different from ‘baseline’, p < 0.05. ■ Different from ‘CO2 desufflation/abdominal closure’, p < 0.05. ▲ Different from ’15 min’, p < 0.05