Comparison of Different Gastric Residual Volumes in Intensive Care Patients Receiving Enteral Nutrition Support

Abstract

This study aimed to determine and compare the effects of two different gastric residual volume (GRV) thresholds, 200 mL and 400 mL, on target calories and gastrointestinal intolerance in intensive care patients receiving enteral nutrition. Materials and Methods: Prospective data of 56 patients over 18 years of age who were expected to stay in the intensive care unit for more than three days were included in the study. Patients were randomized into two groups as GRV threshold 200 mL (group 1) and GRV 400 mL (group 2). Enteral Measurement of GRV was done every six hours. The feeding was initiated at a rate of 20 mL/h and was increased by 10 mL/h to reach the goal rate. Results: There was no significant difference between two groups regarding gender, age, APACHE II score, body mass index, length of stay in intensive care unit, admission reason, and co-morbidities. There was also no significant difference in the incidence of GRV, vomiting, diarrhea and intolerance. Time to target calories was 24 hours in group 1 and 26 hours in group 2, and no significant difference was found between the two groups. Conclusion: In this study, there was no significant difference between 200 mL and 400 mL GRV regarding time to target calories and incidence of gastrointestinal complications in critical intensive care unit patients.

The Effect of Abdominal Massage on Enteral Complications in Geriatric Patients

“…Upon the procedure, the amount was measured and recorded in the parameter questionnaire (Uysal et al., 2012). In this study, the presence of gastric content which was greater than 200 ml was accepted as “GRV present” since a high threshold value of GRV is not clearly stated in the literature (Tekin et al., 2019; Uysal et al., 2012) and a gastric content which is greater than 200 ml is considered as high GRV in the clinic. The nurses working in the clinic performed the GRV follow-up.…”