Gastric bypass is a bariatric surgery meant to help severely obese patient lose large amounts of weight. Following the surgery, you are given a strict diet to follow; it is this diet that promotes weight-loss. Prior to your surgery you must follow a diet as well. This diet serves a number of purposes, one of which is to shrink your liver and reduce some of the risks associated with the surgery.
Fatty Liver
Fatty liver is a condition in which fat builds up in the cells of the liver. The most common cause of fatty liver is obesity. The liver is the largest organ in your body, sitting on the right side of your upper abdomen. The more fat your liver collects, the larger it becomes. Although it usually causes no symptoms, it begins to take up space in your abdominal area, the very space your surgeon will be performing your gastric bypass.
Purpose
The liver shrink diet, also known as a gastric bypass pre-op diet, has more than one purpose. The main goal is to shrink the size of your liver, which may help reduce surgical bleeding. It also aids in your weight loss prior to the procedure and helps prepare you for your post-op diet. Although the diets differ a bit, they both require that you adhere to them strictly to achieve the results you desire.
Function
You typically begin your liver shrink diet 2 to 3 months prior to your procedure, according to Bariatric.us. Your average caloric intake ranges between 800 and 1,200 per day, while your protein intake is between 70 and 120 g daily. It is necessary to consume high amounts of protein to preserve lean muscle and prevent your body from burning muscle for energy due to low caloric consumption. A high-protein diet prior to surgery also helps your body recover from surgery faster.
Tips
Although protein shakes and supplements will comprise most of your diet, you can enjoy yogurt, eggs, fish, lean meats, fruits, vegetables and oatmeal. Foods high in fat and calories such as whole dairy products or fried foods must be omitted. Limit carb and sugar intake -- your doctor will advise you on your specific needs. Do not drink alcohol as it is high in sugar and calories. To avoid complications with anesthesia during your surgery, stop smoking.
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