First Week Diet Post Op Gastric Sleeve Surgery

One of the most common concerns from our patients is related to the diet that they need to follow after gastric sleeve surgery. The initial doubts are various, like how much will they be able to eat, what can they eat, what they can’t eat, how much time will the post op diet take and even if they will eventually be able to eat normally.

The gastric sleeve post op diet is mandatory for two main reasons: to reduce to the maximum the chances of complications and to give entry to the new lifestyle and eating habits that the patient should embrace. This does not mean that the patient won’t be able to eat “normal” food eventually he will be able to do so, but in small healthy portions.

In this first phase, right after being discharged from the hospital, we indicate a Clear Liquid Diet, with this we refer to any liquid that is transparent and not thick in order to avoid it from accumulating and building up in your new stomach, this prevents you from discomfort because of increased pressure inside the stomach. It can be things like hydrating beverages, teas, flavored water, broths, juices, Jello, ice popsicles, etc. And of course plain water. this diet begins just 24 hrs after surgery.

It is very important to emphasize that total patient compliance to the strict liquid diet is required. It is not feasible to think that compliance will be of 80%, which is not accepted. Total compliance is required because at this point any food that isn’t liquid represents an added and high risk of developing complications; since introducing a solid food in a recently operated stomach could lead to an increased pressure inside the organ and trigger a staple line disruption with a consequent leak of gastric contents.

It might seem very difficult to “stick” to this diet, but it is easier than it sounds since the patient who has been in the need of doing a pre op diet knows it is possible and right after the first 3 to 4 days things get much easier. Even if the patient has not been requested to do the preoperative gastric sleeve diet won’t have difficulties keeping up with it since the procedure will be already “working” for him giving considerable restriction since the first sip of water.

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