NPO Guidelines for Appendectomy: Pre- and Post-Operative Instructions
NPO before surgery (nil per os)- Prevents aspiration of gastric contents, reduces the risk of morbidity, and mortality in patients during the induction of anaesthesia.
- Reduces the risk of postoperative nausea and vomiting (PONV).
- Prevents distension of the bowel (air and fluids), allowing the surgeon a better view of the operating field.
- Reduces the risk of infection
- Empty stomach facilitates intubation and reduces risk of regurgitation and aspiration.
NPO after surgery
- Limits gastrointestinal activity
- Allows the gastrointestinal tract to rest and begin healing
- Prevents bowel obstruction due to adhesions
- Prevents anastomotic leaks, infection
- Minimizes the risk of nausea, vomiting, ileus, and electrolyte imbalance.
- Prevents the bowel from becoming distended with air and fluids;
- Allows the sutures or staples holding the surgical wound together to heal properly
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