Clinical Research Directory

Comparison of 'Sip Til Send' Regimens Prior to Elective Caesarean Delivery Using Bedside Gastric Ultrasound

Sponsor: The Rotunda Hospital

Summary

'Sip Til send' is a liberal drinking policy that replaces fasting before a caesarean delivery, meaning that women waiting in hospital can freely drink sips of water until they are called from the ward for their delivery. Studies has shown that 'Sip Til send' is safe and it improves the experience around surgery. Separate from this, drinking carbohydrate-rich drinks at specified time intervals before surgery is also recommended by international guidelines as part of a package of care aimed at enhancing recovery from surgery, and studies demonstrate that carbohydrate drinks significantly lower hunger sensation before caesarean delivery. The aim of this study is to combine these two interventions and compare the effects of sipping water against sipping carbohydrate drinks whilst waiting for a caesarean delivery and look at the stomach contents before delivery to ensure it is a safe practice and look at how women rate the quality of their recovery to see which practice is preferred. We will recruit women due to have an elective caesarean delivery whilst awake with a spinal anaesthetic at the Rotunda Hospital and only include those who are fully fasted on their arrival and would be candidates for the current 'Sip Til Send' policy. They will then be assigned to one of two groups, the "water" group who will be encouraged to sip water whilst waiting for surgery, and the "carbohydrate" group who will be encouraged to sip a standardised carbohydrate-rich drink instead. Using a bedside ultrasound machine, we will image the stomach and estimate the volume of liquid contents on two occasions; first, following recruitment to the study when fully fasted and before starting 'Sip Til Send', and second is immediately prior to surgery. Fluid intake will be closely monitored, and all participants will be asked to complete a short questionnaire the day after their delivery that asks them to rate aspects of their recovery. Participants and their newborns will not undergo any additional invasive testing for the study. Participants and their newborns will not undergo any additional invasive testing for the study, but consent will be sought to test women's urine for ketones (collected from the catheter bag during surgery). Medical notes will also be looked at after discharge to identify adverse outcomes such as nausea or vomiting during surgery and low blood sugar in the newborn. The study should run for approximately 3 to 6 months.

Official title: Comparison of 'Sip Til Send' Regimens Prior to Elective Caesarean Delivery Using Bedside Gastric Ultrasound: a Randomized Study Comparing Water With Carbohydrate-rich Drink

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