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KMID : 0869120140160040267
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기초간호자연과학회지
2014 Volume.16 No. 4 p.267 ~ p.275
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Clinical Usefulness of Gastric Residual Volume as An Indicator to Provide Approximately Enteral Nutrition for Patients in Intensive Care Units: A Systematic Literature Review
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Kim Hyun-Jung
Chang Sun-Ju
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Abstract
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Purpose: The practice of enteral nutrition with gastric residual volumes (GRVs) as a clinical indicator is poorly standardized in intensive care units. This study aims to summarize the results from studies that evaluated the clinical outcomes related to the GRVs.
Methods: This systematic review study analyzed 11 studies consisting of four randomized controlled trials, one non-randomized controlled trial, and six observational studies.
Results: No consistent relationship between GRV thresholds and clinical outcomes was observed. Higher GRVs were not consistently correlated with clinical outcomes such as higher gastrointestinal complications, aspiration pneumonia, or mortality. Higher GRVs significantly generate complications more often. Findings show that a single GRV more than 200 mL or two consecutive GRVs more than 150 mL should raise concern about negative consequences.
Conclusion: Critical care nurses need to monitor GRVs closely during their practice of enteral nutrition. For critically ill patients receiving enteral nutrition, a GRV threshold of 200 ml would be a desirable limit to provide safe and adequate nutrition with a conservative approach.
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KEYWORD
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Enteral nutrition, Intensive care units, Review
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