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Table 1 Factors to be considered in the protocol

From: Enteral tolerance in critically ill patients

1. Criteria, conditions, and contraindications for enteral nutrition initiation
2. Route of infusion (gastric vs. jejunal/ postpyloric)
3. Method of infusion (intermittent vs. continuous)
4. Target amount of EN formula
5. Selection of the type of EN formula
6. Flow rate at initiation and changing the flow rate
7. Evaluation of gastrointestinal intolerance (gastric residual volume or abdominal X-ray)
8. Measures against complications (changing the method of infusion or type of EN formula)
9. How to manage the route (tube flushing, etc.)