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Obesity Surgery FAQs for Informed Decisions

Who is suitable for obesity surgery?

Obesity surgery is generally suitable for adults with a BMI over 40, or over 35 with obesity-related diseases such as diabetes, hypertension or sleep apnea. Final eligibility is decided after a detailed medical evaluation by your surgeon and the multidisciplinary team.

What is the duration of weight loss after obesity surgery?

Rapid weight loss usually starts in the first 6 months after surgery. In most patients, around 60–80% of the excess weight is lost within the first year. The exact course of weight loss depends on nutrition, physical activity and lifestyle habits.

Will I gain weight again after surgery?

With proper nutrition, regular follow-up and lifestyle changes, your new weight can be maintained in the long term. However, if you return to high-calorie, unbalanced eating and a sedentary lifestyle, there is always a risk of regaining some weight.

Am I eligible for bariatric surgery?

Eligibility depends on BMI, medical conditions, and overall health. A clinical evaluation ensures the surgery is safe and beneficial for you.

What tests are required before surgery?

You will need blood tests, imaging, cardiology, and anesthesia evaluations. These tests confirm you are medically stable for the operation.

How should I prepare for the surgery?

A pre-op diet, hydration, medication adjustments, and quitting smoking may be required. These steps reduce risk and support recovery.

What are the main surgical risks?

Risks include bleeding, infection, leakage, or blood clots. These are rare when performed by experienced specialists.

How much weight can I expect to lose?

Most patients lose 60–80% of excess weight within 12–18 months. Results depend on diet, activity, and follow-up compliance.

Will surgery improve my diabetes or hypertension?

Many patients experience major improvement or remission. Outcomes depend on disease duration and postoperative habits.

How long is the hospital stay?

Most patients stay one night after surgery. Discharge follows once hydration, mobility, and pain control are stable.

Can international patients undergo surgery safely?

Yes. With proper evaluation and instructions, international patients are fully supported with travel and translation services.

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Essential Patient Questions
After Bariatric Surgery

What is the recovery timeline?

Walking starts within hours, and most patients go home the next day. Full recovery usually takes 2–4 weeks.

What diet will I follow after surgery?

You will start with liquids, then soft foods, then solids. This structured plan ensures safe healing and effective weight loss.

When can I return to work?

Most return in 1–3 weeks depending on the job. Physically demanding work may require more time.

What symptoms are normal after surgery?

Mild pain, fatigue, and reduced appetite are common. Severe or persistent symptoms require medical attention.

When should I contact the clinic urgently?

High fever, strong abdominal pain, breathing problems, or vomiting require immediate evaluation.

Will I need vitamins and supplements?

Yes. Daily vitamins prevent deficiencies, and lab tests during follow-ups guide adjustments.

When can I start exercising?

Light walking begins immediately, while structured exercise starts at 4–6 weeks. Gradual progression ensures safe recovery.

How often are follow-up visits required?

Follow-ups occur at 1 week, 1 month, 3 months, 6 months, and yearly. These visits monitor progress and health.

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Core Questions
About Bariatric Treatment

How does gastric sleeve surgery help with weight loss?

The surgery reduces stomach size and hunger hormones, supporting long-term calorie control and steady weight loss.

Is bariatric surgery permanent?

Yes, the anatomical change is permanent. Long-term success depends on consistent healthy habits.

Does the surgery affect digestion?

Digestion stays normal because no intestines are bypassed. Only portion size significantly decreases.

Can weight regain happen after surgery?

Yes, if high-calorie eating habits return. Structured nutrition and follow-up prevent regain.

How does surgery improve health conditions?

Many patients experience improvements in diabetes, blood pressure, sleep apnea, and joint pain.

Is gastric sleeve safer than gastric bypass?

Sleeve surgery involves fewer anatomical changes and is often safer, depending on individual health needs.

Will I feel hungry after the surgery?

Most patients feel significantly less hunger due to reduced ghrelin levels.

How long do surgical results last?

Results are long-lasting when patients maintain recommended diet and lifestyle habits.

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