PRE OPERATIVE DIET FOR BARIATRIC SURGERY

PRE OPERATIVE DIET FOR BARIATRIC SURGERY

By Madhulika Gandhi  on: 07 October 2017
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BARIATRIC SURGERY -

PRE-OPERATIVE DIET

Before your weight loss surgery, it is essential that you follow a special pre-operative diet for two weeks. This diet is to help shrink the liver so the surgeon can operate more easily and increases the chances of your surgery being performed laparoscopically (by keyhole). This diet is not optional and is only intended for before surgery. It should not be followed after surgery or by anyone else. Why do I need to follow this diet? This diet is low in carbohydrate and fat. It will, therefore, reduce the glycogen stores (glycogen is a form of sugar stored in the liver and muscles for energy). This results in the liver shrinking in size and softening. When performing bariatric surgery laparoscopically, the surgeon will have to lift the liver to access the stomach. If the liver is heavy, fatty and immobile, it is much more difficult for the surgeon to see and get access to the stomach. This could be a reason for changing to open surgery. Open surgery means a larger abdominal scar, which results in longer recovery and increased risks.

By following this diet, you are likely to lose weight before surgery but, more importantly, your liver will shrink and you increase your chances of having a safe operation. It is important to stick to the diet for the full two weeks before your operation. Do not be tempted to have a special or larger meal before surgery, as this will reverse the liver-reducing effects of the diet. 

 Special note for patients with diabetes

If you have diabetes and are treated with insulin or a sulphonylurea tablet (gliclazide, glibenclamide, tolbutamide, glimepiride, glipizide), you will need to adjust your insulin or medication. Please contact your Diabetes Specialist Nurse/Practice Nurse/GP before starting the preoperative diet.

Pre-operative diet- This diet allows between 800 - 1000kcal a day and gives you approximately 100g of carbohydrate a day. It is low in fat and moderate in protein. It is recommended you take a multivitamin and mineral tablet. If you choose a chewable tablet, this can be also used after surgery. Examples are Chewable Centrum Complete, Principle Healthcare Multivitamin, and Mineral A - Z).

The following shows some menu suggestions for a typical day:

Breakfast (15g carbohydrate)

Choose one of the following:

- 3 tablespoons breakfast cereal or dry porridge oats

-1 Shredded Wheat

-1  Weetabix

- 1 medium sliced toast with scraping of margarine

 

Lunch (15 %u2013 20g carbohydrate)

Choose one of the following:

- 1 slice medium sliced bread/ toast

- 2 crispbreads

- 1  bagel

- 2  pitta bread 

With one of the following:

- 2 eggs

- 60g/2oz cheese (2 x matchbox size)

- 8 thin packet slices of ham, chicken or turkey

- small chicken breast without skin

- 4 rashers of grilled back bacon

- 100g/4oz meat (with fat cut off)

- 2 grilled sausages

- 100g/4oz fish

-100g/4oz tofu or quorn

with vegetables/salad. If using a dressing, choose low fat options.

 

Evening Meal (20g carbohydrate)

Choose one of the following:

- 2 average old potatoes (boiled or mashed)

- 4 egg-sized new potatoes with skin

- 2 tablespoons of cooked rice

 -2 tablespoons of cooked pasta

With one of the following

- 2 eggs

- 60g/2oz cheese (2 x matchbox size)

 - 8 thin packet slices of ham, chicken or turkey

 - small chicken breast without skin

 - 4 rashers of grilled back bacon

 -100g/4oz meat (with fat cut off)

- 2 grilled sausages

- 100g/4oz fish

- 100g/4oz tofu or quorn

With vegetables/salad. If using a dressing choose low fat options.



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Madhulika Gandhi

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Best Nutritionist in Salt Lake City, Kolkata, India 

 Dietician Madhulika Gandhi, a nutritionist in salt lake Kolkata believes that taking care of the body is very important as it is the only place one lives in . Staying  healthy and fit, will automatically make  a person  more confident, happy and independent. It will shape him  and his life life. Eat well be well eat better feel better. Madhulika  graduated  from st. xaviers college kolkata, and then became a Chartered Accountant from The Institute of chartered accountants of india . But her consciousness towards health and fitness was so much that out of passion and interest  she took up a course on dietetics and nutrition  in VLCC Institute there after. she enjoyed the course so much because it taught her good food, good health and good nutrition is the key to overall wellbeing. she stood first in all her semesters, it was so interesting  that she professionally took it forward and specialised in weight management .
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