• Lyvonne N Tume, Barbara Arch, Kerry Woolfall, Lynne Latten, Elizabeth Deja, Louise Roper, Nazima Pathan, Helen Eccleson, Helen Hickey, Michaela Brown, Anne Beissel, Izabela Andrzejewska, Chris Gale, Frédéric V Valla, and Jon Dorling.
• Child Health, Faculty of Health & Applied Sciences, University of the West of England, Bristol, United Kingdom.
• Pediatr Crit Care Me. 2019 Aug 1; 20 (8): 707-713.

ObjectivesDespite little evidence, the practice of routine measurement of gastric residual volume to guide both the initiation and delivery of enteral feeding in PICUs is widespread internationally. In light of increased scrutiny of the evidence surrounding this practice, and as part of a trial feasibility study, we aimed to determine enteral feeding and gastric residual volume measurement practices in U.K. PICUs.DesignAn online survey to 27 U.K. PICUs.SettingU.K. PICUs.SubjectsA clinical nurse, senior doctor, and dietician were invited to collaboratively complete one survey per PICU and send a copy of their unit guidelines on enteral feeding and gastric residual volume.InterventionsNone.Measurement And Main ResultsTwenty-four of 27 units (89%) approached completed the survey. Twenty-three units (95.8%; 23/24) had written feeding guidelines, and 19 units (19/23; 83%) sent their guidelines for review. More units fed continuously (15/24; 62%) than intermittently (9/24; 37%) via the gastric route as their primary feeding method. All but one PICU routinely measured gastric residual volume, regardless of the method of feeding. Eighteen units had an agreed definition of feed tolerance, and all these included gastric residual volume. Gastric residual volume thresholds for feed tolerance were either volume based (mL/kg body weight) (11/21; 52%) or a percentage of the volume of feed administered (6/21; 29%). Yet only a third of units provided guidance about the technique of gastric residual volume measurement.ConclusionsRoutine gastric residual volume measurement is part of standard practice in U.K. PICUs, with little guidance provided about the technique which may impact the accuracy of gastric residual volume. All PICUs that defined feed tolerance included gastric residual volume in the definition. This is important to know when proposing a standard practice arm of any future trial of no-routine gastric residual volume measurement in critically ill children.

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