Effect of different feeding methods on gastrointestinal function in critical patients (DFM-GFC): study protocol for a randomized controlled trial

Table 1 EN pumping speed scheme

Time		Continuous group	Cyclic group	Intermittent group
00:00	Pumping speed	50 ml/L
00:00	Check GRV	Check
04:00	Pumping speed	50 ml/L
04:00	Check GRV	Check
08:00	Pumping speed	50 ml/h	75 ml/h	150 ml/h
08:00	Check GRV	Check	Check	Check
12:00	Pumping speed	50 ml/h	75 ml/h	150 ml/h
12:00	Check GRV	Check	Check	Check
16:00	Pumping speed	50 ml/h	75 ml/h
16:00	Check GRV	Check	Check
18:00	Pumping speed	50 ml/h	75 ml/h	150 ml/h
18:00	Check GRV			Check
20:00	Pumping speed	50 ml/h	75 ml/h
20:00	Check GRV	Check	Check
22:00	Pumping speed	50 ml/h	75 ml/h	150 ml/h
22:00	Check GRV			Check

GRV Gastric residual volumes; the pumping speed will be adjusted according to GRV as follows: ≤ 250 mL, hold and recheck after 4 hours; > 250 mL: decrease to half of the original speed and recheck after 4 hours; and > 500 mL: stop and recheck after 4 h

ISSN: 1745-6215