| [https://dx.doi.org/10.1097/EJA.0000000000001514 Weiniger et al Eur J of Anaes 2022] || 80 non-fasted pregnant women, age 18+, GA 37+ weeks, singleton, cephalad, dilated <= 5 cm, 63 had empty stomachs and 17 had full stomachs at baseline || double-blind single center RCT with women randomized to low-dose (50) or high-dose (100) epidural fentanyl. || Stomach antrum cross-sectional area (CSA) was measured with gastric US before and 2 hrs after fentanyl administration || No differences between low-dose and high-dose fentanyl groups. | | [https://dx.doi.org/10.1097/EJA.0000000000001514 Weiniger et al Eur J of Anaes 2022] || 80 non-fasted pregnant women, age 18+, GA 37+ weeks, singleton, cephalad, dilated <= 5 cm, 63 had empty stomachs and 17 had full stomachs at baseline || double-blind single center RCT with women randomized to low-dose (50) or high-dose (100) epidural fentanyl. || Stomach antrum cross-sectional area (CSA) was measured with gastric US before and 2 hrs after fentanyl administration || No differences between low-dose and high-dose fentanyl groups. |