Treatment Overview
Roux‑en‑Y Gastric Bypass (RYGB) surgery for patients with BMI ≥35 in Korea is a highly effective bariatric procedure designed to promote significant and sustained weight loss while improving obesity-related health conditions. The procedure reduces stomach size and reroutes the small intestine to limit calorie absorption and regulate appetite. Korean hospitals provide advanced laparoscopic and robotic-assisted RYGB procedures along with comprehensive pre- and post-operative care, making it an ideal option for both domestic and international patients with severe obesity.
Purpose & Benefits
RYGB surgery for BMI ≥35 offers multiple benefits:
- Significant and long-term weight loss.
- Improvement or remission of type 2 diabetes, hypertension, and dyslipidemia.
- Reduced risk of obesity-related complications such as sleep apnea and joint problems.
- Enhanced metabolic function and hormonal regulation for appetite control.
- Improved overall quality of life and physical health.
Ideal Candidates
This surgery is recommended for:
- Adults aged 18–65 with BMI ≥35.
- Patients with BMI ≥35 who have obesity-related comorbidities such as type 2 diabetes, hypertension, or sleep apnea.
- Individuals who have struggled with weight loss through diet, exercise, or medications.
- Patients committed to lifestyle changes, dietary adherence, and regular follow-up care for optimal results.
Possible Risks & Complications
While generally safe, potential risks include:
- Surgical complications such as bleeding, infection, or anesthesia reactions.
- Nutritional deficiencies if post-operative dietary and supplement guidelines are not followed.
- Gastrointestinal issues such as dumping syndrome, nausea, or diarrhea.
- Rare complications like leaks, strictures, bowel obstruction, or ulcers.
Korean hospitals minimize risks through careful pre-operative assessment, minimally invasive techniques, and structured post-operative monitoring.
Techniques & Technology Used
Korean hospitals use advanced techniques for optimal outcomes:
- Laparoscopic RYGB: Minimally invasive surgery reduces recovery time and scarring.
- Robotic-Assisted Surgery (optional): Enhances precision in complex cases.
- Advanced Imaging & Monitoring: Ensures surgical accuracy and reduces complications.
- Multidisciplinary Care: Surgeons, dietitians, endocrinologists, and psychologists collaborate to optimize results.
Treatment Process in Korea
- Consultation & Evaluation: Assess BMI, metabolic health, and obesity-related comorbidities.
- Pre-Operative Testing: Blood tests, imaging, nutritional and hormonal assessments.
- Surgery: Performed under general anesthesia, typically lasting 2–4 hours.
- Hospital Stay: 2–4 days with continuous monitoring.
- Post-Operative Care: Includes dietary counseling, exercise planning, supplementation, and regular follow-up visits to ensure long-term success.
Recovery & After-Care
- Immediate Post-Surgery: Early ambulation, hydration, and liquid diet.
- Weeks 2–4: Gradual progression from liquid to soft foods, then solid foods under dietitian supervision.
- Nutritional Supplements: Essential vitamins and minerals to prevent deficiencies.
- Lifestyle Guidance: Balanced diet, exercise, portion control, and behavioral counseling.
- Regular Follow-Ups: Monitor weight, metabolic improvements, and overall health.
Results & Longevity
- Patients typically achieve 60–80% excess weight loss within 12–18 months.
- Significant improvement or remission of type 2 diabetes, hypertension, and other obesity-related conditions.
- Lifelong adherence to diet, supplements, and lifestyle programs ensures sustained results.
- High patient satisfaction due to comprehensive care and effective long-term outcomes.
Why Korea Is a Top Destination
- Experienced bariatric surgeons specializing in RYGB for severe obesity.
- Advanced hospitals with laparoscopic and robotic-assisted surgery facilities.
- Structured pre- and post-operative programs designed for international patients.
- Competitive pricing with high-quality care and patient safety.
- English-speaking staff, concierge services, and full medical tourism support.
Cost Range
- Surgery alone: $9,500 – $17,500 USD
- Full packages (including pre-op testing, hospital stay, dietary counseling, post-op care, and medical tourism support): $13,000 – $23,000 USD
Popular Clinics in Korea
- Seoul National University Hospital – Bariatric & Metabolic Surgery Center
- Asan Medical Center – Advanced Obesity & Bariatric Surgery Department
- Samsung Medical Center – Bariatric & Metabolic Surgery Unit
- JK Plastic Surgery & Bariatric Center – RYGB for Severe Obesity
- Korea University Anam Hospital – Bariatric Surgery & Weight Management Unit



