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• There are no set diet restrictions prior to a Coronary Artery Bypass Graft aside from the typical order of nothing by mouth after midnight.
• Immediately after surgery you will be placed on a cardiac liquid diet which consists of low fat liquids with no added salt or caffeine. In the case that you aren’t up for eating, your physician will order supplements or tube feedings to ensure you receive adequate nutrition. Once you are able to tolerate solids you will be placed on a cardiac prudent diet. This diet includes foods high in omega fats, whole grains and fruits and vegetables. 

Bariatric Surgery: 

• A Bariatric diet usually begins two to three months before the surgery is actually performed. The reasons physicians order a special diet several weeks in advance are to reduce body fat, preserve lean body mass and prepare the body for post-surgery recovery and proper bariatric eating. Moreover a high protein, calorie restricted diet can shorten the operation by decreasing the size of the liver and can reduce the amount of fat in the upper abdomen.
• Immediately following your surgery the only thing you will be allowed to consume is ice chips. The next day you'll be started on a clear liquid diet. This will include small amounts of a protein drink, diluted fruit juice and water. Once it is clear that you are able to keep clear liquids down, you’ll be advanced to thicker liquids and purees for a couple more weeks. Afterwards you will move on to a soft diet and then gradually return to a regular diet with decreased portion sizes.  

 Cesarean

• The ACOG recommends women undergoing planned C-sections to not eat solid foods six to eight hours prior to the procedure. This mainly is due to the fact that after surgery the intestines start to slow down causing constipation. However, in most cases obstetricians will allow patients to drink clear liquids up to two hours before receiving anesthesia. Any point after this food consumption puts the patient at a greater risk of aspirating on food and drinks. 
• There is no diet restrictions post C-section. It is only recommended that women refrain from foods high in fat, sugars and carbohydrates. This again is due to the fact that your bowels slow down after anesthesia and being immobile for a while.

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