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The alkaline environment causes the retained gastric tissue to produce acid, which may result in ulcers in a rare complication known as retained antrum syndrome. All patients lose weight after gastrectomy, although the extent of weight loss is dependent on the extent of surgery (total gastrectomy vs partial gastrectomy) and the pre-operative BMI.
Sleeve gastrectomy or vertical sleeve gastrectomy, is a surgical weight-loss procedure, typically performed laparoscopically, in which approximately 75 - 85% of the stomach is removed, [1] [2] along the greater curvature, [3] which leaves a cylindrical, or "sleeve"-shaped stomach the size of a banana.
In general, immediately after bariatric surgery, the person is restricted to a clear liquid diet, which includes foods such as broth, diluted fruit juices, or sugar-free drinks. [60] This diet is continued until the gastrointestinal tract begins to recover approximately 2–3 weeks after surgery. [60]
The term abdominal surgery broadly covers surgical procedures that involve opening the abdomen . Surgery of each abdominal organ is dealt with separately in connection with the description of that organ (see stomach , kidney , liver , etc.) Diseases affecting the abdominal cavity are dealt with generally under their own names.
What does change, over time, is the size of the connection between the stomach and intestine and the ability of the small intestine to hold a greater volume of food. Over time, the functional capacity of the pouch increases; by that time, weight loss has occurred, and the increased capacity should serve to allow maintenance of a lower body weight.
The stomach tends to swell following surgery and it is possible that too great a restriction would be achieved if filled at that time. Many health practitioners make the first adjustment between four and six weeks post-operatively to allow the stomach time to heal. After that, fills are performed as needed.
[15] [16] [17] Depending on the cause and size, perforations may be medically or surgically managed. Some common causes of perforation are cancer, diverticulitis, and peptic ulcer disease. When caused by cancer, bowel perforation typically requires surgery, including resection of blood and lymph supply to the cancerous area when possible.
The intestinal bypass surgery, as the name suggests, anastomoses 14 inches of the proximal duodenum, the part of the small intestine closest to the stomach, to the 4 inches of the distal ileum, the part of the small intestine closest to large intestines. [5]