Gastric Bypass Surgery

1. Dividing the Jejunum

2. Measuring the Roux-Limb

3. Jejuno-Jejunostomy

4. Gastric Pouch Creation

5. Gastro Jejunostomy

Roux-en-Y gastric bypass surgery uses a combination of restriction and malabsorption. During the procedure, the surgeon creates a smaller stomach pouch. The surgeon then attaches a Y-shaped section of the small intestine directly to the pouch. This allows food to bypass a large portion of the small intestine, which absorbs calories and nutrients. Having the smaller stomach pouch causes patients to feel fuller sooner and eat less food; bypassing a portion of the small intestine means the patient's body absorbs fewer calories.

Life After Gastric Bypass

Gastric bypass patients typically lose between 70 to 85 percent of their excess weight. (Excess weight is the difference between your existing weight and the ideal weight for your height).

Health Benefits

Studies found that gastric bypass:

- Resolved type 2 diabetes in 83.8% of patients and often resolved the disease within days of surgery
- Resolved high blood pressure in 67.5% of patients
- Improved high cholesterol in 95% of patients
- Improvement or resolution of sleep apnea, stress incontinence, joint pains are the other benefits seen.

Quality of Life

One meta-analysis stated that for laparscopic bariatric surgery patients who experienced significant weight loss:

- Overall quality of life improved greatly.
- They experienced improved physical functioning and appearance.
- They experienced improved social and economic opportunities.

Potential Concerns of Gastric Bypass

- A condition known as dumping syndrome can occur from eating high-fat, high-sugar foods. While it isn't considered a health risk, the results can be very unpleasant and may include vomiting, nausea, weakness, sweating, faintness, and diarrhoea.

- Patients must supplement their diet with a daily multivitamin and calcium. Some patients must take vitamin B12 and/or iron.

- The stomach, duodenum, and parts of the small intestine cannot be seen easily using X -ray or endoscopy if there are problems after surgery such as ulcers, bleeding, or malignancy.

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