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Single Anastomosis Gastric Bypass in Korea

Treatment Overview

Single Anastomosis Gastric Bypass (SAGB), also known as Mini Gastric Bypass or One-Anastomosis Gastric Bypass, is a modern bariatric procedure designed to achieve effective weight loss with a simplified surgical technique. The surgery creates a small stomach pouch connected to a single loop of the small intestine, limiting food intake and reducing calorie absorption. The laparoscopic approach minimizes scarring, decreases recovery time, and reduces post-operative pain. Korea is a leading destination for SAGB due to advanced surgical technology, experienced bariatric surgeons, and comprehensive care programs tailored for international patients.

Purpose & Benefits

SAGB addresses severe obesity and related metabolic disorders. Benefits include:

  • Significant and sustained weight loss.
  • Improvement or remission of type 2 diabetes, hypertension, and sleep apnea.
  • Reduced complexity compared to traditional Roux-en-Y Gastric Bypass.
  • Minimally invasive approach ensures shorter hospital stay and faster recovery.
  • Enhanced energy, mobility, and overall quality of life.

Ideal Candidates

SAGB is recommended for:

  • Individuals with a Body Mass Index (BMI) of 40 or higher.
  • Patients with a BMI of 35–39.9 who have obesity-related health conditions.
  • Adults aged 18–65 who have failed to achieve lasting weight loss through diet, exercise, or medications.
  • Patients committed to long-term lifestyle changes, including diet, exercise, and follow-up care.

Possible Risks & Complications

Although generally safe, potential risks include:

  • Bleeding, infection, or adverse reactions to anesthesia.
  • Nutritional deficiencies, especially vitamins B12, D, calcium, and iron.
  • Bile reflux, which may cause stomach or esophagus irritation.
  • Dumping syndrome, with nausea, diarrhea, or dizziness after certain foods.
  • Rare complications such as leaks at the surgical site or bowel obstruction.
    Korean hospitals minimize risks with precise laparoscopic techniques, thorough pre-operative evaluation, and diligent post-operative monitoring.

Techniques & Technology Used

Korean hospitals utilize advanced methods for safe and effective SAGB:

  • Laparoscopic Surgery: Minimally invasive, reducing scarring and recovery time.
  • Robotic-Assisted Surgery (optional): Provides added precision in complex cases.
  • High-Definition Imaging & Navigation: Ensures accurate creation of the stomach pouch and intestinal connection.
  • Post-Operative Monitoring Systems: Track recovery, nutrition, and detect potential complications early.

Treatment Process in Korea

  1. Consultation: Review of medical history, BMI, and obesity-related conditions.
  2. Pre-Operative Assessment: Blood tests, imaging scans, and nutritional evaluation.
  3. Surgery: Performed under general anesthesia, typically lasting 1.5–3 hours.
  4. Hospital Stay: Usually 2–3 days with monitoring by a multidisciplinary medical team.
  5. Post-Operative Care: Includes dietary guidance, exercise plans, and regular follow-ups to ensure successful recovery and sustained weight loss.

Recovery & After-Care

  • Immediate Post-Surgery: Light walking and hydration; liquid diet.
  • Weeks 2–4: Gradual transition from liquid to soft foods, then solid foods.
  • Nutritional Supplements: Essential vitamins and minerals to prevent deficiencies.
  • Follow-Ups: Regular check-ups to monitor weight loss, nutrition, and overall health.
  • Lifestyle Adjustments: Emphasis on balanced diet, portion control, and regular physical activity.

Results & Longevity

  • Patients typically lose 60–75% of excess body weight within 12–18 months.
  • Long-term improvement or remission of type 2 diabetes and other obesity-related conditions.
  • Sustained weight management with proper diet, exercise, and follow-up care.
  • High patient satisfaction due to effective outcomes, minimally invasive technique, and personalized care in Korean hospitals.

Why Korea Is a Top Destination

  • Experienced bariatric surgeons specializing in SAGB procedures.
  • Advanced hospitals equipped with state-of-the-art technology.
  • Comprehensive pre- and post-operative care for international patients.
  • Competitive costs without compromising quality of care.
  • English-speaking staff, concierge services, and medical tourism support for smooth international patient experience.

Cost Range

  • Surgery alone: $7,500 – $14,000 USD
  • Full packages (including pre-op tests, hospital stay, post-op care, and medical tourism services): $11,000 – $18,000 USD

Popular Clinics in Korea

  • Seoul National University Hospital – Bariatric Surgery Center
  • Asan Medical Center – Weight Loss Surgery Department
  • Samsung Medical Center – Obesity & Metabolic Surgery
  • JK Plastic Surgery & Bariatric Center
  • Korea University Anam Hospital – Bariatric Surgery Unit

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