Ultrasonographic evaluation of gastric content during labour under epidural analgesia: a prospective cohort study A. Bataille, J. Rousset, E. Marret, F. Bonnet British Journal of Anaesthesia Volume 112, Issue 4, Pages 703-707 (April 2014) DOI: 10.1093/bja/aet435 Copyright © 2014 The Author(s) Terms and Conditions
Fig 1 Ultrasonographic image showing measurement of antral CSA in a labouring pregnant woman. L, liver; U, uterus. 1 and 2 are the largest perpendicular diameters of the antrum. British Journal of Anaesthesia 2014 112, 703-707DOI: (10.1093/bja/aet435) Copyright © 2014 The Author(s) Terms and Conditions
Fig 2 Antral CSA assessed by ultrasonography (a) in six pregnant women after overnight fasting and after intake of 250 ml of non-clear liquid and (b) in 60 pregnant women during labour when calling the anaesthetist for epidural analgesia and on full cervical dilatation. British Journal of Anaesthesia 2014 112, 703-707DOI: (10.1093/bja/aet435) Copyright © 2014 The Author(s) Terms and Conditions
Fig 3 Flow chart of the study with parturients included during labour. British Journal of Anaesthesia 2014 112, 703-707DOI: (10.1093/bja/aet435) Copyright © 2014 The Author(s) Terms and Conditions
Fig 4 Correlation between changes in CSA and time elapsed between measurements (duration of labour). Blue line represents regression line and green lines represent 95% confidence interval. British Journal of Anaesthesia 2014 112, 703-707DOI: (10.1093/bja/aet435) Copyright © 2014 The Author(s) Terms and Conditions