Impact of Oral Carbohydrate Consumption Prior to Cesarean Section

Status Completed

Clinical Trial Summary

For more than 15 years, traditional fasting regimens prior to scheduled surgeries have been called into question, yet prolonged preoperative fasting remains common practice. While prolonged fasting is aimed at reducing the risk of pulmonary aspiration, prolonged fasting is uncomfortable, has an inconsistent effect on gastric volumes and acidity and may lead to dehydration without a clear reduction in the incidence of aspiration. Fasting by itself decreases hepatic glycogen stores, induces a state of insulin resistance and impairs cardiovascular function. Yet, prolonged preoperative fasting remains common.

Preoperative oral carbohydrate (CHO) consumption improves insulin sensitivity and decreases the time to return of gut function without increasing gastric volumes or acidity compared to other clear liquids and fasting. Previous work has shown oral CHO consumption improves patient well-being to a greater degree than placebo drink (water or flavored water) and fasted controls. Oral CHO also outperforms a similar volume of intravenous glucose supplementation. These benefits have reduced hospital stays in a variety of surgical models by as much as 20%. Further, preoperative CHO supplementation improved postoperative patient hunger, thirst, anxiety, fatigue and nausea.

The purpose of this research study is to determine if drinking a high carbohydrate beverage before cesarean section surgery can improve patient well-being, compared to patients who drink a low carbohydrate beverage or fast before surgery.

Clinical Trial Description

The study hopes to determine if either of two different oral beverages (a higher CHO concentration versus a lower CHO concentration) is superior to routine fasting in terms of preoperative well-being among patients presenting for scheduled cesarean section. Preoperative well-being will be determined by a composite of visual analog scale scores aimed at assessing hunger, thirst, anxiety, fatigue and nausea on the morning of surgery.

Women will be recruited from one of two outpatient obstetric clinics, University of Florida (UF) Health Women's Center - Medical Plaza or UF Health Women's Center. Women presenting for scheduled cesarean section will be provided with an opportunity to participate. Then the women will be randomized into one of three groups: oral carbohydrate beverage (group CHO), re-hydration beverage of an equal volume (group R) or fasted controls (group F). All subjects who consent to participation will have the following recorded: height, weight, age, indication for cesarean section, surgeon, and number of prior cesarean sections. ;

Study Design

Related Conditions & MeSH terms

Dehydration

Clinical Trial Details

NCT number	NCT02684513
Study type	Interventional
Source	University of Florida
Contact
Status	Completed
Phase	N/A
Start date	June 14, 2016
Completion date	April 4, 2019

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.