Gastric Emptying Time
Conditions
Keywords
Gastric emptying time
Brief summary
To determine the gastric emptying time for clear liquids at different volumes in the adult population, for use in determining anesthesia guidelines.
Interventions
Ingesting coffee without creamer and evaluating gastric emptying with gastric ultrasound at different time points.
Ingesting coffee with creamer and evaluating gastric emptying with gastric ultrasound at different time points.
Sponsors
Study design
Masking description
Individual performing the gastric ultrasound was blinded as to which arm the study participants were in.
Intervention model description
Once eligibility was established, participants were randomly divided into 2 groups: one group assigned to drink 16 ounces of cold black coffee without creamer and the other group assigned to drink 16 ounces of cold black coffee with two standard creamer pods (0.76 oz) added. Randomization was generated by alternating participants between receiving black coffee or coffee with creamer after they had been consented for the study.
Eligibility
Inclusion criteria
* Age 18-65 * Able to provide informed consent and verbally disclose their medical history in English. The study staff will not be accessing the subjects electronic medical record to verify the criteria.
Exclusion criteria
* Daily medications excluding oral contraceptives * Medical conditions affecting gastric emptying, including diabetes, known gastric condition, prior gastric surgery, or pregnancy * Inability to tolerate 7 hours of fasting * Non-empty gastric antrum on baseline ultrasound
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Gastric emptying times of liquids at set volumes. | Study participants have a baseline ultrasound to confirm if stomach was empty and then have scans every hour after ingesting coffee until stomach was empty (Grade 0) or 4 hours maximum, whichever occurs first. |
Countries
United States