The Value of Gastric Antrum Cross-sectional Area Mearsured by Bedside Ultrasound Predicted Feeding Intolerance in Critically Ill Patients
Abstract
To explore the feasibility and effectiveness of gastric antrum cross-sectional area (CSA) mearsured by bedside ultrasound for predicting early feeding intolerance (FI) in critically ill patients. Methods The data were extracted from a multicenter prospective observation study between February 2018 to December 2018. A bivariate logistic regression model was established to identify the correlation between the gastric antrum cross-sectional area (CSA) and the feeding intolerance (FI). Draw the ROC curve to get the best cut-off value. Results This study comprises 150 patients. The mean age was (58.63±16.45) yr., the average APACHE Ⅱ score was 17.43±6.99. The incidence of FI for three days (72 h-FI%) was 28.0%. The multivariate analysis demonstrated that the Day 2 CSA-right lateral decubitus (RLD) was an independent risk factor for FI-day 2 (P=0.033), Day 3 CSA -RLD was an independent risk factor for FI-day 3 (P=0.016). Patients with day 3 CSA-RLD ≥7.092 cm2 had significantly higher rates of FI (P=0.001). Conclusion Gastric antrum cross-sectional area measured by ultrasound can predict feeding intolerance during early enteral nutrition. When the Day 3 CSA-RLD is greater than 7.092 cm2, the incidence of feeding intolerance is significantly increased.
Keywords: ICU, Ultrasound, Cross-section area, Feed intolerance
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