• Nurten Ozen, Nuran Tosun, Levent Yamanel, Neriman Defne Altintas, Guldem Kilciler, and Volkan Ozen.
• Kasimpasa Military Hospital, Istanbul, Turkey. Electronic address: ozenurten@yahoo.com.tr.
• J Crit Care. 2016 Jun 1; 33: 137-44.

PurposeThis study aimed to evaluate the effects of not measuring gastric residual volume (GRV) in intensive care patients on a mechanical ventilator and receiving enteral feeding on the feeding intolerance, gastroesophageal reflux (GER) risk, and nutritional adequacy.MethodsThis randomized clinical study was performed in 2 medical intensive care units of 2 university hospitals in Ankara, Turkey. The patients were randomized into 2 groups. In the group with GRV monitoring, GRV was measured 3 times a day, and the GRV threshold was accepted as 250 mL. In addition, 24-hour pH monitoring was used in this group to assess the risk of GER. In the group without GRV monitoring, GRV was not measured. The patients were followed-up for 5 days.ResultsThe feeding targets were reached more quickly in the group without GRV monitoring (n = 26) with no increase in the complication rate (P < .05). No significant relationship was found between GRV and GER in the group with GRV monitoring (n = 25) (P > .05).ConclusionThe discrepancies in GRV measurement make it unreliable for monitoring feeding intolerance and GER. The use of GRV measurements may therefore be discontinued as part of the standard care protocol in medical intensive care units.Copyright © 2016 Elsevier Inc. All rights reserved.

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