Abstract
(Acta Anaesthesiol Scand. 2019;63:27–33) There is an ongoing debate regarding the extent of gastric emptying in laboring parturients and the potential for pulmonary aspiration should conversion to general anesthesia be needed. While current guidelines state that laboring parturients should be allowed to drink clear fluids, there is insufficient evidence to support such recommendations in the context of parturients with higher than estimated gastric content. Using ultrasonography with parturients in the semirecumbent position (SR-CSA), which provides an antral cross-sectional area for measurement of gastric content, the authors of the present study determined the prevalence and predictive factors of higher estimated gastric content at full cervical dilatation in parturients allowed to drink during labor. Furthermore, the authors assessed whether SR-CSA alone can accurately identify a higher estimated gastric content.
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