Mini Gastric Bypass at LapObesity International in Athens, Greece, is a weight loss surgery that uses a simplified one-connection technique to help patients lose 25–35% of their total body weight. The procedure is performed by Dr. Dimitris P. Lapatsanis, a certified Surgeon of Excellence with over 20 years of experience and 5,000+ bariatric operations performed. LapObesity is an IFSO Centre of Excellence, which means it meets high independent standards for safety and quality in weight loss care.
The Procedure and Technique
The Mini Gastric Bypass, also known as One-Anastomosis Gastric Bypass (OAGB), is a laparoscopic surgery. This means the surgeon uses small incisions and a camera instead of a large opening. During the operation, the surgeon creates a small stomach pouch. This pouch connects directly to the small intestine, bypassing a section of the gut to limit calorie absorption. The surgery typically takes 60–80 minutes to complete.
This method has several advantages for patients:
- Faster recovery: The simplified technique leads to a shorter time in the operating room.
- Better health outcomes: Research like the YOMEGA study shows this method offers 60% diabetes control compared to 38% for standard bypasses.
- Hormonal changes: The surgery helps control appetite by changing gut hormones like GLP-1.
- Disease remission: Patients often see improvements in high blood pressure, sleep apnea, and heart health.
Expert Surgical Team
Dr. Dimitris P. Lapatsanis leads the Obesity & Metabolic Disorders Department. He is a Fellow of the European Board of Surgery and founded the bariatric unit at Evangelismos Hospital. Dr. Athanasios G. Pantelis also serves on the surgical team. Dr. Pantelis is a Fellow of the American College of Surgeons and holds advanced degrees from the University of Athens and Queen Mary University of London.
Recovery and Patient Care
Patients usually stay in the hospital for 2–3 days following the surgery. The full recovery period lasts about two weeks. The clinic uses AI-powered diagnostic protocols to help plan the treatment and monitor health. Before the procedure, patients receive a full medical evaluation and a free online consultation. After surgery, the clinic provides structured remote follow-up and guidance from a clinical dietitian. Because the body absorbs fewer nutrients, patients must commit to lifelong vitamin and mineral supplements. To learn more about this weight loss option, you can leave a request on Bookimed.
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