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Gastric Bypass in Istanbul, Turkey

Gastric bypass in Istanbul, Turkey is a bariatric surgical procedure designed to help eligible patients achieve substantial, long-term weight loss. The surgery is performed under general anesthesia and involves creating a smaller stomach pouch and rerouting part of the small intestine. Before surgery, patients undergo a comprehensive medical evaluation, and their surgical team provides individualized instructions regarding fasting, medications, and prevention of blood clots.

How Is Gastric Bypass Surgery Performed?

Gastric bypass is carried out using the laparoscopic (closed) technique, which minimizes trauma and accelerates recovery. During the procedure:

  • A laparoscope (a thin tube about 30 cm long with a high-resolution camera) is inserted through small incisions measuring 5–10 mm

  • Specialized surgical instruments, thinner than a ballpoint pen, are introduced into the abdominal cavity

Using these instruments and surgical staples, the surgeon creates a small gastric pouch approximately 3 cm wide and 3 cm long in the upper part of the stomach near the esophagus.

Intestinal Bypass & Reduced Absorption

To limit calorie absorption:

  • A segment of the small intestine located about 200 cm distal to the ligament of Treitz is connected (anastomosed) directly to the newly created gastric pouch

  • This means that up to 200 cm of the upper small intestine is bypassed, significantly reducing digestion and calorie absorption

This dual mechanism—restriction and malabsorption—makes gastric bypass one of the most effective bariatric procedures.

Leak Test & Surgical Safety

Before completing the operation, the anesthesiologist performs a leak test to ensure the strength and safety of the staple line between the stomach pouch and the intestine. This test is done by inflating the stomach with blue-colored liquid, air, or a combination of both to confirm there are no leaks.

Once the test confirms safety:

  • No part of the stomach is removed

  • The procedure is completed by closing the skin incisions with sutures

Medical Perspective

When performed by experienced bariatric surgeons, gastric bypass surgery is a safe and highly successful procedure that leads to significant and sustained weight loss, as well as improvement in obesity-related conditions.

For a confidential consultation, contact our clinic on WhatsApp and receive personalized medical guidance from our specialists.

Gastric bypass in Turkey

Gastric bypass in Turkey is one of the most commonly performed surgical procedures in the world. This surgical procedure is performed to allow people to lose weight using two mechanisms. During gastric bypass surgery, a small stomach volume is created. In addition, the resulting small stomach is anastomosed to the small intestine. Food coming out of the mouth bypasses the large stomach and goes directly into the small intestine. That’s why it is called gastric bypass.

Gastric bypass is a surgical procedure suitable for patients with a body mass index over 35, for diabetics and for patients who did gastric sleeve before and didn’t lose weight enough.