| [https://dx.doi.org/10.1093/bja/aet435 Bonnet et al BJA 2014] || 60 spontaneously laboring parturients with ropivacaine/sufentanil PCEA analgesia || CSA measured with binary outcome of "full" or "not full" based on cutoff CSA value of >320 determined in small pilot study of 6 pregnant women. || gUS compared CSA when the anesthesiologist was called for epidural placement (beginning of labor) and at full cervical dilation. || 50% had full stomachs at epidural placement compared to 13% at full cervical dilation. | | [https://dx.doi.org/10.1093/bja/aet435 Bonnet et al BJA 2014] || 60 spontaneously laboring parturients with ropivacaine/sufentanil PCEA analgesia || CSA measured with binary outcome of "full" or "not full" based on cutoff CSA value of >320 determined in small pilot study of 6 pregnant women. || gUS compared CSA when the anesthesiologist was called for epidural placement (beginning of labor) and at full cervical dilation. || 50% had full stomachs at epidural placement compared to 13% at full cervical dilation. |