Stress response during weaning after cardiac surgery E. Calzia, M. Koch, W. Stahl, P. Radermacher, A. Brinkmann British Journal of Anaesthesia Volume 87, Issue 3, Pages 490-493 (September 2001) DOI: 10.1093/bja/87.3.490 Copyright © 2001 British Journal of Anaesthesia Terms and Conditions
Fig 1 The box plots show the work of breathing (WOB, lower panel) and oxygen consumption as measured by the Deltatrac® device (V˙O2 measured, upper panel) during the different study conditions. The boxes represent medians (horizontal lines in each box) and quartiles. Five and 95% percentiles are indicated by the error bars. Single values outside of the percentile-ranges are drawn as dots. The circled ‘X’ sign indicates the statistically significant difference between the WOB measured during volume-controlled mechanical ventilation (control condition) and either of the two test-modes corresponding to SIMV+PS and BIPAP+PS. British Journal of Anaesthesia 2001 87, 490-493DOI: (10.1093/bja/87.3.490) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions