• Crit Care · Oct 2022

    Meta Analysis

    Comparison of continuous versus intermittent enteral feeding in critically ill patients: a systematic review and meta-analysis.

    • Aaron J Heffernan, C Talekar, M Henain, L Purcell, M Palmer, and H White.
    • Department of Intensive Care Medicine, Logan Hospital, MetroSouth Hospital and Health Service, Meadowbrook, QLD, Australia. aaronjheffernan@gmail.com.
    • Crit Care. 2022 Oct 25; 26 (1): 325.

    BackgroundThe enteral route is commonly utilised to support the nutritional requirements of critically ill patients. However, there is paucity of data guiding clinicians regarding the appropriate method of delivering the prescribed dose. Continuous enteral feeding is commonly used; however, a bolus or intermittent method of administration may provide several advantages such as minimising interruptions. The purpose of this meta-analysis is to compare a continuous versus an intermittent or bolus enteral nutrition administration method.MethodsA systematic review and meta-analysis were performed with studies identified from the PubMed, EMBASE, Cochrane Library and Web of Science databases. Studies were included if they compared a continuous with either an intermittent or bolus administration method of enteral nutrition in adult patients admitted to the intensive care unit. Study quality was assessed using the PEDro and Newcastle-Ottawa scoring systems. Review Manager was used for performing the random-effects meta-analysis on the outcomes of mortality, constipation, diarrhoea, increased gastric residuals, pneumonia, and bacterial colonisation.ResultsA total of 5546 articles were identified, and 133 were included for full text review. Fourteen were included in the final analysis. There was an increased risk of constipation with patients receiving continuous enteral nutrition (relative risk 2.24, 95% confidence interval 1.01-4.97, p = 0.05). No difference was identified in other outcome measures. No appreciable bias was identified.ConclusionThe current meta-analysis has not identified any clinically relevant difference in most outcome measures relevant to the care of critically ill patients. However, there is a paucity of high-quality randomised controlled clinical trials to guide this decision. Therefore, clinicians may consider either dosing regimen in the context of the patient's care requirements.© 2022. The Author(s).

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