It is very uncertain whether early enteral nutrition within 24 hours of lower gastrointestinal… changes wound infection compared with later commencement (very low certainty).
Early enteral nutrition within 24 hours of lower gastrointestinal… showed no clear difference in intraabdominal abscess compared with later commencement (low certainty).
Early enteral nutrition within 24 hours of lower gastrointestinal… showed no clear difference in anastomotic leakage/dehiscence compared with later commencement (low certainty).
Early enteral nutrition within 24 hours of lower gastrointestinal… showed no clear difference in pneumonia (within hospital stay) compared with later commencement (low certainty).
Early enteral nutrition within 24 hours of lower gastrointestinal… showed no clear difference in mortality compared with later commencement (low certainty).
Early enteral nutrition within 24 hours of lower gastrointestinal… showed no clear difference in vomiting compared with later commencement (low certainty).
Early enteral nutrition within 24 hours of lower gastrointestinal… showed no clear difference in nausea compared with later commencement (low certainty).
It is very uncertain whether early enteral nutrition within 24 hours of lower gastrointestinal… changes nausea and vomiting compared with later commencement (very low certainty).
It is very uncertain whether preoperative parenteral nutrition changes non‐infectious complications compared with usual care or control (very low certainty).
It is very uncertain whether preoperative parenteral nutrition changes infectious complications compared with usual care or control (very low certainty).
Immune‐enhancing supplements (oral or enteral) showed no clear difference in infectious complications recorded up to 30 days postdischarge compared with usual care or control (low certainty).
Immune‐enhancing supplements (oral or enteral) showed no clear difference in non‐ infectious complications recorded up to 30 days postdischarge compared with usual care or control (low certainty).
The review found no eligible studies for this question.
It is very uncertain whether preoperative enteral nutrition (standard formula) changes infectious complications compared with usual care or control (very low certainty).