Transit Bipartition for Type 2 Diabetes in Turkey

How Transit Bipartition Works

Transit bipartition combines two surgical techniques in a single procedure:

1. Sleeve gastrectomy: Approximately 80% of your stomach is removed, creating a narrow sleeve. This reduces how much you can eat and lowers ghrelin (the hunger hormone), producing significant weight loss.

2. Partial intestinal bypass: A connection (anastomosis) is created between the lower part of your stomach sleeve and a section of the small intestine further downstream. This means food can travel through two pathways, the normal route and the shortcut. The result is that a portion of the small intestine is bypassed, reducing calorie absorption and triggering powerful hormonal changes.

The hormonal effect is what makes this procedure particularly effective for diabetes. By delivering partially digested food to the lower small intestine more quickly, the procedure stimulates the release of hormones (including GLP-1 and PYY) that improve insulin production, enhance insulin sensitivity, and regulate blood sugar.

How Is It Different from a Standard Gastric Bypass?

Transit bipartition preserves the normal digestive pathway while adding a bypass route, whereas a standard Roux-en-Y bypass completely reroutes food away from the first part of the small intestine. This means transit bipartition may carry a lower risk of nutritional deficiencies while still delivering strong metabolic benefits. The procedure is increasingly recognised as an effective alternative to traditional bypass for diabetes management.

Transit bipartition may be right for you if:

• You have type 2 diabetes that is poorly controlled despite medication
• Your BMI is 30 or above (or 27.5+ with significant metabolic conditions)
• You have been living with type 2 diabetes for less than 10 years (earlier intervention typically produces better remission rates)
• You still produce some insulin (your pancreas has not completely stopped functioning)
• You are committed to long-term dietary and lifestyle changes after the procedure

You may not be suitable if:

• You have type 1 diabetes (this procedure does not treat type 1)
• Your pancreas has stopped producing insulin entirely
• You have had diabetes for a very long time with significant complications
• You have unmanaged heart, lung, or kidney conditions that make surgery unsafe

Your free consultation includes a detailed metabolic assessment, blood tests, HbA1c levels, medication review, and a thorough discussion of your diabetes history. Your surgical team will assess whether transit bipartition offers you a realistic chance of remission or significant improvement.

Before Your Procedure

Your consultation focuses heavily on your diabetes management history. Your patient coordinator collects information about your current medications, HbA1c levels, how long you have had diabetes, and any complications. Pre-operative blood work provides a detailed metabolic baseline.

You receive preparation guidance including a 2-week liver-shrinking diet and specific instructions about your diabetes medication in the days before the procedure.

On the Day

Pre-operative checks include comprehensive blood tests, blood sugar monitoring, and consultations with your surgeon, anaesthetist, and an endocrinologist (diabetes specialist). Your surgeon explains the procedure in detail, including what to expect in terms of diabetes improvement.

The procedure takes 90-120 minutes under general anaesthesia. Your surgeon first performs the sleeve gastrectomy, then creates the intestinal connection. Both steps are done laparoscopically through small incisions.

After Your Procedure

You spend 3-4 nights in hospital. Your medical team monitors your blood sugar levels closely, many patients see improvements within the first 24-48 hours. Diabetes medication is adjusted (often reduced) during your hospital stay based on your blood sugar readings.

You begin with clear liquids and progress gradually. Your personal translator is available throughout your stay. Once discharged, you recover at your 5-star hotel before your airport transfer.

What to Expect During Recovery

Days 1-4 (Hospital): Your blood sugar levels are monitored frequently. Many patients notice their blood sugar dropping into a more normal range within 48 hours of the procedure, this is a direct hormonal effect, not yet related to weight loss. Your diabetes medication may be reduced or adjusted. You begin with clear liquids and light walking.

Week 1-2 (Home): Liquid diet continues. You work closely with your aftercare team to adjust diabetes medication as your body responds to the metabolic changes. Fatigue is common as your body heals and adjusts to reduced calorie intake.

Week 2-4: Soft foods are introduced. Blood sugar monitoring continues. Most patients can return to desk-based work within 2-3 weeks. Energy levels improve noticeably.

Month 2-6: Transition to normal foods in smaller portions. Weight loss accelerates. Many patients see their HbA1c levels drop significantly during this period. Diabetes medication is often further reduced or discontinued entirely, under medical guidance.

Month 6-12: Continued weight loss and metabolic improvement. Your aftercare programme includes regular blood tests to track your HbA1c, vitamin levels, and overall metabolic health. By 12 months, many patients have achieved diabetes remission, defined as an HbA1c below 6.5% without diabetes medication.

Long-Term Monitoring

Even after remission, regular monitoring of your blood sugar and metabolic markers is recommended. Your aftercare team provides guidance on long-term health management, including diet, exercise, and when to alert your GP.

Transit bipartition is a major procedure, and understanding the risks is an important part of your decision.

Common Side Effects

• Nausea and discomfort in the first few days (managed with medication)
• Changes in blood sugar levels requiring careful medication adjustment
• Fatigue during the liquid diet phase
• Loose stools or changes in bowel habits as your body adjusts to the intestinal bypass

Less Common Risks

• Staple line or anastomotic leak (approximately 1-3%, monitored closely during your hospital stay)
• Hypoglycaemia (low blood sugar), can occur as your diabetes medication is reduced; careful monitoring prevents this
• Nutritional deficiencies (managed with supplements and regular blood tests)
• Blood clots (reduced by early mobilisation and compression stockings)
• Internal hernia (a risk with any procedure involving intestinal rerouting)

How Your Risk Is Managed

Your procedure takes place in a government-licensed hospital with ICU facilities and specialist endocrinology support. Blood sugar levels are monitored continuously during your hospital stay, and diabetes medication is adjusted in real time. Your 12-month aftercare programme includes regular blood tests to track both your metabolic health and nutritional status.