Gastric residual volume management in critically ill mechanically ventilated patients: A literature review

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Abstract

Measured gastric residual volume (GRV) is most commonly used as a marker to guide enteral feeding rate and prevention of pulmonary aspiration in gastric-fed, mechanically ventilated intensive care unit patients. However, there is little consensus on the practice standard, and controversies exist regarding its implications. A total of 17 papers were reviewed to evaluate the factors affecting the accuracy of GRV measurement, GRV measurement practices, and its correlations with clinically important complications. Multiple factors affect the accuracy of GRV measurement. GRV threshold and assessment frequency remain undefined. No direct correlation between measured GRV and incidences of pulmonary aspiration or pneumonia was found. However, higher incidences of pulmonary aspiration were observed in cases of higher GRV. Not measuring GRV could result in patient harm. Reducing GRV prior to position change and procedures associated with high risk for regurgitation could prevent aspiration incidences.

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CITATION STYLE

APA

Guo, B. (2015, September 1). Gastric residual volume management in critically ill mechanically ventilated patients: A literature review. Proceedings of Singapore Healthcare. SAGE Publications Inc. https://doi.org/10.1177/2010105815598451

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