The effects and sequelae of gastrectomy on patients are divided into two aspects: early and distant; mild will increase the difficulty of healing and prolong the recovery time, and severe will affect the quality of life and life. Postoperative bleeding, anastomotic fistula, intestinal obstruction and gastrointestinal anastomosis obstruction may occur in the early stage; alkaline reflux gastritis, dumping syndrome and intestinal motility disorders may occur in the distant stage. Patients are advised to go to the hospital in time to get a clear diagnosis and then treat the symptoms. I. Early effects and sequelae: 1. postoperative bleeding: mostly due to incomplete intraoperative hemostasis, anastomotic mucosal necrosis, etc. resulting in anastomotic bleeding; 2. anastomotic fistula: usually due to postoperative infection or poor healing of the anastomosis; 3. intestinal obstruction: it may be due to the complication of intestinal adhesions after surgery, or it may be due to recurrence of gastric cancer; 4. gastrointestinal anastomotic obstruction: most of the gastrectomy patients are prone to feeling full after surgery, as well as chronic abdominal pain, persistent nausea, intermittent vomiting and weight loss. II. Long-term effects and sequelae: 1. alkaline reflux gastritis: complications of duodenal-esophageal reflux may occur after gastrectomy, which in turn may lead to esophagitis; 2. dumping syndrome: early patients may experience postprandial tachycardia, sweating, hypotension, abdominal pain, etc. after eating, mostly after the intake of high sugar and dairy products, etc. It is mainly caused by the loss of gastric storage function, which leads to rapid entry of hypertonic food into the small intestine, resulting in rapid entry of extracellular blood into the intestinal lumen and a decrease in blood volume; 3. Intestinal motility disorder: after gastrectomy, the vagus nerve will be damaged and the mechanism of intestinal motility will be changed, and severe cases may develop intestinal motility disorder; 4. Other: after gastrectomy, intestinal motility and secretion of gastric acid may occur, which may lead to bacterial overgrowth, which manifests as abdominal pain, diarrhea, malnutrition, etc. In addition, if atrophy of the residual gastric mucosa occurs after gastrectomy, a small number of patients may develop residual gastric cancer. In addition, the diet of post-gastrectomy patients should be based on easily digestible food, such as porridge, noodles and ravioli. The intake of raw, cold, hard, greasy and irritating foods should be avoided, and the intake of less and more meals should be prohibited, and overeating should be prohibited.
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