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    Frequency of Aspirating Gastric Tubes for Patients Receiving Enteral Nutrition in the ICU: A Randomised Controlled Trial

    192959_192959.pdf (203.3Kb)
    Access Status
    Open access
    Authors
    Williams, Teresa
    Leslie, Gavin
    Mills, L.
    Leen, T.
    Davies, Hugh
    Hendron, D.
    Dobb, G.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Williams, Teresa A. and Leslie, Gavin and Mills, Lauren and Leen, Tim and Davies, Hugh and Hendron, David and Dobb, Geoffrey J. 2013. Frequency of Aspirating Gastric Tubes for Patients Receiving Enteral Nutrition in the ICU: A Randomised Controlled Trial. Journal of Parenteral and Enteral Nutrition. Advance online publication. doi: 10.1177/0148607113497223.
    Source Title
    Journal of Parenteral and Enteral Nutrition
    DOI
    10.1177/0148607113497223
    URI
    http://hdl.handle.net/20.500.11937/28759
    Collection
    • Curtin Research Publications
    Abstract

    Background: Enteral nutrition (EN) tolerance is often monitored by aspirating stomach contents by syringe at prescribed intervals. No studies have been conducted to assess the most appropriate time interval for aspirating gastric tubes. We compared gastric tube aspirations every 4 hours (usual care) with a variable regimen (up to every 8 hours aspirations).Methods: This randomized controlled trial (RCT) enrolled patients who stayed in the intensive care unit (ICU) for >48 hours, had a gastric tube, and were likely to receive EN for 3 or more days. Patients were randomized (computer-generated randomization) to either the control (every 4 hours) or intervention group (variable regimen). The primary outcome was number of gastric tube aspirations per day from randomization until EN was ceased or up to 2 weeks postrandomization.Results: Following Institutional Ethics Committee approval, 357 patients were recruited (control group, n = 179; intervention group, n = 178). No differences were found in age, sex, worst APACHE II score, or time to start of EN. In the intention-to-treat analysis, the intervention group had fewer tube aspirations per day (3.4 versus 5.4 in the control group, P < .001). Vomiting/regurgitation was increased in the intervention group (2.1% versus 3.6%, P = .02). There were no other differences in complications.Conclusion: This is the first RCT to examine the frequency of gastric tube aspirations. The frequency of gastric tube aspirations was reduced in the variable-regimen group with no increase in risk to the patient. Reducing the frequency of aspirations saves nursing time, decreases risk of contamination of feeding circuit, and minimizes risk of body fluid exposure.

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