Before the surgery, if the patient is not malnourished, usually do not need to supplement any special nutrition, can be appropriate to supplement some food rich in protein and vitamins. And it should be noted that fasting is required before surgery, and no food should be eaten during the prescribed fasting time.
1. For patients without malnutrition, there is no need to take special nutritional supplementation before surgery, only normal diet is needed;
2. You can adjust the diet structure appropriately, eat less greasy and hard-to-digest food, and eat more food rich in protein and vitamins, such as milk, lean meat, apples, oranges, green vegetables, broccoli, carrots, etc. The food can be made into semi-fluid to promote absorption.
3. And need to pay attention to, general anesthesia surgery is generally required to fasting before surgery, so as to avoid the occurrence of vomiting, aspiration and other adverse events, fasting should start from 12 hours before surgery, if it is gastrointestinal surgery, not only need to fast for 12 hours, but also in the first 1~2 days before the operation to start a liquid diet.
If surgery is required, preoperative preparations should be made in accordance with medical advice.