Introduction

Bariatric surgery is also known as Gastric bypass surgery.

 It is considered the the most effective treatment for class 3 obesity. This surgery is for individuals with BMI greater than 35kg/m2. 

Types of bariatric surgery

There are many types of gastric bypass surgeries according to patient BMI:

1. Laparoscopic sleeve gastrectomy

2. Laparoscopic adjustable gastric banding 

3. Roux-en-Y gastric bypass

4. Gastric bypass surgery

There are two most common Bariatric surgeries in US: Roux-en-Y gastric bypass (RYGB) and Sleeve Gastrectomy.

Procedures

 Bariatric surgery offers two procedures 

1. Restrictive 

2. Selective Mal-absorptive

In restrictive procedure, the portion size of individual is minimized. In selective malabsorption, the food is not properly absorbed. Due to the influence of these two procedure the individual loss weight. 

Time required 

Total weight lose might take 1 year.   

Requirements

 Bariatric surgery is generally performed under general anesthesia. Bariatric surgery is usually 3 hours long. The gastric bypass surgery is always permanent. 

Complications 

Gastric bypass patients may have dumping syndrome as food passes quickly in the small intestine.

Other complications include:

1. Gastric bleeding

2. Gastric ulcers

3. Nausea 

4. Vomiting

5. Abdominal pain 

Weight loss 

 How much weight  an individual loss after bariatric surgery? There are two types of weight: 

1. Ideal body weight

2. Excess body weight 

Gastric bypass patient lose 60-70% of their excess weight.



Post surgery

 Along with bariatric surgery, the patient is advised to learn and develop healthy eating patterns and modify lifestyle changes to get better results after surgery.