Examining the Gastric Emptying Halftime of Water Versus a Carbohydrate in Early Labor
Beth Israel Deaconess Medical Center
Summary
To determine the half time of the emptying of the stomach of women in early labor with and without epidural pain relief when drinking either water or a carbohydrate-based sports drink.
Description
This is a randomized un-blinded study comparing the gastric emptying halftime of water versus a carbohydrate-based sports drink. Cohorts Women in early labor who have not received pain medication will be enrolled in the study. This will be called the 'unmedicated' group. A second cohort of women who have received an epidural in early labor will be enrolled and studied using identical methods. This will be the 'epidural' group. Study Intervention Subjects in each group will drink one of two drinks: water or sports drink. The changing volume in the stomach will be measured using ultrasound ove…
Eligibility
- Age range
- 18–50 years
- Sex
- Female
- Healthy volunteers
- No
Inclusion Criteria: * Gestational age of 36 weeks or greater * American Society of Anesthesiology Physical Status 2 or 3 * Induction of labor or early labor (cervical dilation \< 6cm) * Singleton gestation Exclusion Criteria: * Recent food ingestion (\<3 hours) * Preeclampsia * Receiving magnesium sulfate * Having received narcotics within 12 hours * Diabetes mellitus * Multiple gestations * Active nausea or reflux symptoms
Interventions
- Dietary SupplementSports drink
Drink that will be ingested
- Dietary SupplementWater
Drink that will be ingested
Location
- Beth Isreal Deaconess Medical CenterBoston, Massachusetts