About Bariatric Surgery
Bariatric (weight loss) surgery treats severe obesity by reducing the size of the stomach and, in some procedures, rerouting part of the digestive system.
It is usually considered when diet, exercise and medication have not produced lasting weight loss. This guide explains the main procedures, the usual recovery timeline and what to discuss with the hospital’s bariatric team.
Understanding Bariatric Surgery and Candidacy
Bariatric surgery is usually considered for people with a BMI of 40 or higher, or a BMI of 35 or higher with obesity-related conditions such as type 2 diabetes, sleep apnoea or high blood pressure. The treating surgeon will confirm whether you are a candidate.
The benefits can go beyond weight loss: many patients see improvement or remission of type 2 diabetes, better control of sleep apnoea and blood pressure, fewer medications, more energy and better mobility. Results vary from person to person and depend on the procedure and on long-term changes to diet and activity.
Outcomes depend on your condition and the surgeon. Ask the treating hospital for its own outcome data before you decide.
Types of Bariatric Procedures
Modern bariatric surgery offers several proven techniques, each with unique advantages suited to different patient needs:
Gastric Sleeve (Sleeve Gastrectomy)
This is the most commonly performed bariatric procedure worldwide. The surgeon removes approximately 80% of the stomach along its greater curve, leaving a long, tube-shaped pouch resembling a banana.
How It Works
- Reduces stomach capacity from 1-1.5 litres to about 150-200 ml
- Reduces production of ghrelin, the hunger-stimulating hormone
- No rerouting of intestines required
Advantages
- Simpler procedure with shorter operative time
- No foreign objects placed in the body
- No changes to intestinal anatomy
- Lower risk of nutritional deficiencies than bypass procedures
- Substantial weight loss for many patients, mostly over the first 12-18 months
Gastric Bypass (Roux-en-Y)
This procedure has been performed for decades and is well studied. The surgeon creates a small pouch from the top portion of the stomach and connects it directly to the small intestine, bypassing most of the stomach and part of the intestines.
How It Works
- Creates a small stomach pouch of about 30 ml capacity
- Bypasses the rest of the stomach, the duodenum and the first part of the small intestine
- Reduces both food intake and calorie absorption
Advantages
- Often faster initial weight loss than the sleeve, mostly over the first 12-18 months
- Good long-term weight maintenance in many patients
- Additional metabolic improvements beyond restriction alone
Adjustable Gastric Band
This reversible procedure places an adjustable silicone band around the upper stomach, creating a small pouch.
Advantages
- Reversible procedure
- No permanent changes to anatomy
- Minimal invasiveness
- Quick recovery—1-2 weeks return to work
- Adjustable—band tightness can be modified over time
Biliopancreatic Diversion with Duodenal Switch (BPD/DS) and SADI-S
These advanced procedures combine sleeve gastrectomy with intestinal bypass. The SADI-S (Single Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy) is the newer, simpler version.
Advantages
- Usually the greatest weight loss of the procedures listed here, with a higher risk of nutritional deficiencies
- Generally considered for patients with a very high BMI
- Significant metabolic improvements
Recovery Timeline: What to Expect
Understanding the recovery process helps you prepare. The timings below are typical ranges; your surgeon will advise on your own recovery.
Immediately After Surgery (Day 1-2)
- Hospital stay: 1-2 days
- IV fluids provided for hydration
- Pain management with prescribed medications
- Early mobilisation—walking encouraged to prevent blood clots
- Clear liquids only when approved by the surgeon
Weeks 1-2: Early Recovery
- Continue clear liquids and broths
- Most patients return to desk jobs within 7-10 days
- Gradually increase walking and light activities
- Pain management continues but diminishes significantly
- Follow strict hydration—sip water regularly throughout the day
Weeks 3-4: Diet Progression
- Introduction of pureed and soft foods—yoghurt, smooth soups, well-cooked vegetables
- Protein intake becomes critical for healing and metabolism
- Return to work possible for most desk-based jobs
- Light household activities permitted
- Avoid lifting anything heavier than 6-9 kg
Weeks 4-6: Increasing Activity
- Gradually reintroduce soft solids and well-cooked proteins
- Moderate activities resume—long walks, light cycling
- Most patients return to normal routines by 6-8 weeks
- Energy levels rise noticeably
- Weight loss becomes visible and motivating
3-6 Months: Long-Term Adjustment
- Body fully adapts to digestive changes
- Steady weight loss continues—often most significant during this period
- Normal diet gradually resumed (avoiding high-sugar, high-fat, and heavy foods)
- Regular exercise routine becomes sustainable
- Most patients can resume all normal activities and light workouts
Complete Recovery Timeline: While patients feel significantly better within 2-3 weeks, complete internal healing and tissue recovery may take up to 3 months.
Return to Work and Activities
Desk Jobs: 7-10 days after surgery
Physical Jobs: 2-3 weeks, depending on intensity
Heavy Lifting: Avoid for minimum 6 weeks
Exercise: Light activities at 3-4 weeks, moderate exercise at 6-8 weeks, full exercise at 12 weeks
Driving: Avoid for at least one week post-surgery
Post-Surgery Diet Progression
Success depends on following the diet plan closely. The hospital’s dietitian will give you your own plan; a typical progression is:
Phase 1 (Days 1-4): Clear liquids only
Phase 2 (Weeks 2-3): Full liquids and pureed foods
Phase 3 (Weeks 3-4): Soft foods in small portions
Phase 4 (Week 5 onwards): Gradual return to normal diet with portion control
Lifelong dietary guidelines include:
- Eating small portions (about half to one cup per meal)
- Prioritising protein at every meal
- Avoiding sugary, fatty, and heavily processed foods
- Staying hydrated—at least 2-3 litres daily
- Taking prescribed vitamin and mineral supplements lifelong (especially with bypass procedures)
Cost in India
Costs depend on the hospital, the procedure and your reports. The indicative range on this page is a guide only; the hospital’s written estimate is the figure to rely on, and you pay the hospital directly.
How Massvaa Care helps
The hospital’s surgical and dietetics team plans your care; Massvaa Care coordinates appointments, travel and follow-up calls.
- Sharing your reports with partner hospitals and passing on their specialists’ opinions
- Written, itemised estimates from the hospitals
- Visa invitation letters, airport pickup and accommodation suggestions
- Interpreters in Russian, French and Arabic
- Appointment scheduling, travel arrangements and follow-up calls after you return home
Massvaa Care is a non-clinical facilitator. The hospital’s specialists advise on and provide your treatment, and you pay the hospital directly. Our service fee is explained before you proceed.
Each partner hospital’s page shows its accreditation, so you can check it before you choose.
Making Your Decision
Bariatric surgery is a major decision. The choice between sleeve gastrectomy, gastric bypass, gastric band or duodenal switch depends on your specific circumstances, and the treating surgeon will advise which procedure suits you.
Success requires long-term commitment to dietary changes, regular exercise and follow-up. Many patients report better health, energy and mobility, but results vary and are not guaranteed.
Take the Next Step
Send your reports and hospital bariatric specialists will review them and advise which procedure suits you. Our service fee is explained before you proceed.
