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International Study Group of Pancreatic Surgery definition of delayed gastric emptying after pancreatic surgery3
| DGE grade | Nasogastric tube required | Unable to tolerate solid oral intake by POD | Vomiting/gastric distension | Use of prokinetics |
|---|---|---|---|---|
| A | 4–7 days or reinsertion > POD 3 | 7 | ± | ± |
| B | 8–14 days or reinsertion > POD 7 | 14 | + | + |
| C | >14 days or reinsertion > POD 14 | 21 | + | + |
DGE, delayed gastric emptying; POD, postoperative day
