Introduction

For people struggling with obesity, bariatric surgery offers a reliable path to long-term weight loss. Among the available procedures, the gastric sleeve has emerged as one of the most popular. Also known as sleeve gastrectomy, this surgery reduces the size of the stomach. This helps people feel full more quickly. Are you considering a gastric sleeve in Istanbul? This guide will walk you through what to expect. From pre-operative steps to recovery, here's everything you need to know about the journey ahead.

Initial Consultation and Gastric Sleeve Evaluation

Your gastric sleeve journey in Istanbul begins with a detailed consultation. This step is crucial to determine if you're a good candidate. A bariatric surgeon will assess your medical history and body mass index (BMI). They may also assess previous weight loss attempts. Additionally, you'll undergo physical exams, blood tests, and imaging studies. These help the medical team build a complete picture of your health. Depending on your condition, further screenings may include heart checks or psychological assessments. Patients are often required to follow a pre-surgery diet plan. This helps shrink the liver and reduces surgery risks, making the procedure more effective.

Why Is Istanbul a Top Destination For Gastric Sleeve Surgery?

Istanbul has quickly become a global hub for bariatric surgery. The city offers state-of-the-art facilities, experienced surgeons, and competitive pricing. Many clinics in Istanbul specialise in gastric sleeve procedures and cater to international patients. Moreover, medical tourists benefit from all-inclusive packages. These typically cover airport transfers, hotel stays, aftercare, and translator services. This makes the overall experience smooth and stress-free. Furthermore, Istanbul offers a chance to recover in a beautiful, culturally rich city.

The Day of Gastric Sleeve Surgery: What to Expect

On the day of surgery, you'll arrive at the clinic early. You'll be guided to your private room and prepped by medical staff. This includes confirming your identity, inserting IV lines, and running final checks. Gastric sleeve surgery is performed under general anaesthesia. The procedure usually lasts between 60 and 90 minutes. During the operation, the surgeon removes around 75–80% of your stomach. The remaining portion resembles a tube or “sleeve.” This smaller stomach can hold less food, which naturally reduces calorie intake. Also, it decreases levels of ghrelin, the hunger hormone.

Minimally Invasive Techniques

Most gastric sleeve procedures in Istanbul use laparoscopic techniques. This means the surgeon makes small incisions and uses a camera and specialised instruments. As a result, recovery tends to be faster and scarring is minimal. Laparoscopic surgery also reduces pain, shortens hospital stays, and lowers the risk of complications. The medical team will closely monitor you during and after the operation.

Immediate Recovery in Hospital Post-Gastric Sleeve

After surgery, you'll wake up in a recovery room under observation. Medical staff will check your vitals regularly and manage pain with medication. Most patients stay in the hospital for two to three days. You’ll start with a liquid diet and gradually reintroduce food in stages. During this time, you’ll walk short distances to promote blood circulation and reduce clot risks. Before discharge, you’ll receive detailed aftercare instructions, including dietary guidelines and medication use.

What Happens During a Gastric Sleeve in Istanbul?

The Post-Surgery Diet Phases

A structured diet is essential after a gastric sleeve. Istanbul clinics typically divide it into four main phases:

  • Clear Liquids (first few days): Includes broth, herbal tea, and electrolyte drinks
  • Full Liquids (next 1–2 weeks): Adds protein shakes, milk, and smooth soups
  • Soft Foods (weeks 3–4): Introduces pureed vegetables, eggs, and soft proteins
  • Solid Foods (after one month): Gradual return to normal foods with smaller portions
  • Each phase focuses on healing and helping your stomach adjust. Following these guidelines improves weight loss and reduces complications.

Adjusting to a New Lifestyle After Gastric Sleeve Surgery

Gastric sleeve surgery is only the beginning. True success depends on long-term lifestyle changes. Patients must adopt healthy eating habits and regular exercise routines. Portion control becomes a daily priority. Meals need to be smaller, more frequent, and protein-rich. Chewing thoroughly and eating slowly are also essential practices. Additionally, vitamin and mineral supplements are required long-term. This prevents deficiencies caused by reduced food intake. Many clinics in Istanbul offer post-surgery dietician support to keep you on track.

Expected Weight Loss Timeline

Most patients see rapid weight loss in the first six months. By the end of year one, people typically lose 60–70% of their excess weight. Additionally, many health issues improve or resolve altogether. These include type 2 diabetes, high blood pressure, sleep apnoea, and joint pain. Although individual results vary, consistent progress is linked to lifestyle adherence and follow-up care.

Psychological and Emotional Adjustments After Gastric Sleeve Surgery

Weight loss impacts more than the body. It often brings emotional shifts too. You may feel more confident, energised, or even overwhelmed by rapid changes. Many patients in Istanbul are offered mental health support as part of their package. Speaking with a counsellor or support group helps manage expectations and maintain motivation. This emotional support is especially helpful during plateaus or moments of doubt.

Aftercare and Long-Term Support

Top clinics in Istanbul provide comprehensive aftercare. This often includes check-ups via telehealth, dietician follow-ups, and WhatsApp support groups. Regular blood work and consultations help identify issues early. Adjustments to your supplement routine or eating habits may be needed over time. Communication with your medical team keeps you accountable and supported throughout your weight loss journey.

Conclusion

Gastric sleeve surgery in Istanbul offers a life-changing opportunity for long-term weight loss and improved health. From expert care to world-class facilities, patients benefit from a structured, supportive experience throughout. With commitment to new habits and professional aftercare, lasting results are within reach. 

For more information and to book a consultation visit the ACIBADEM Beauty Center obesity surgery page.

Frequently Asked Questions

Typically, patients stay for 7–10 days to allow proper monitoring and recovery.

It’s best to wait a few days after discharge and get medical clearance before flying.

Some patients choose skin-tightening surgery, but it’s not required for everyone.

Most return within two weeks, depending on job type and individual recovery speed.

Yes, if lifestyle changes are maintained. Otherwise, weight regain is possible over time.