Preoperative Fasting Times for Patients Undergoing Caesarean Delivery: Before and After a Patient Educational Initiative [Turk J Anaesthesiol Reanim]
Turk J Anaesthesiol Reanim. Ahead of Print: TARD-95770 | DOI: 10.5152/TJAR.2019.95770  

Preoperative Fasting Times for Patients Undergoing Caesarean Delivery: Before and After a Patient Educational Initiative

Mary Yurashevich1, Adrian Chow2, John J. Kowalczyk1, Andrea J. Traynor1, Brendan Carvalho1
1Department of Anaesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
2Eastern Virginia Medical School, Norfolk, VA, USA

Objective: Prolonged preoperative fasting may lead to dehydration, hypoglycaemia, ketoacidosis and delayed recovery. We hypothesised that a patient educational initiative would decrease our preoperative fasting periods for elective caesarean delivery.
Methods: This was an observational quality improvement impact study. Elective caesarean patients who delivered during our study period were included in the study, 40 patients in the pre-intervention and 40 patients in the post-intervention groups. Only English-speaking patients were included. We developed a patient educational pamphlet outlining preoperative fasting and analgesic expectations for caesarean delivery that was given to every patient at her preoperative anaesthesia consultation. The pamphlet included the American Society of Anesthesiologistsí preoperative fasting and enhanced recovery carbohydrate drink recommendations. The primary outcome measure was intended fasting duration for liquids (defined as time from last reported liquid consumption to scheduled caesarean delivery) before and after the patient educational initiative. Secondary outcomes included solid fasting time, types of liquids and solids consumed.
Results: The intended median (interquartile range) fasting time for liquids decreased from 10 (8.9-12) h to 3.5 (2.5-10) h (p<0.001). The fasting period for solids was not significantly different: 12.5 (10.5-14) h pre- versus 12.4 (10.6-14) h post-pamphlet introduction (p=0.384). Despite the recommendation, only 22.5% consumed a carbohydrate-containing drink with a modest decrease in water consumption (87.5% before and 67.5% after; p=0.009).
Conclusion: A patient educational pamphlet significantly reduced fasting time for clear liquids. Future studies are needed to determine what barriers limited adherence to the recommended carbohydrate-containing drink consumption.

Keywords: Caesarean delivery, education, enhanced recovery, fasting, quality assurance

Corresponding Author: Mary Yurashevich, United States

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