Conversion surgery for morbid obesity: complications and long-term weight control.

Area of Science:

• Bariatric Surgery
• Surgical Outcomes
• Obesity Management

Background:

• Morbid obesity operations can fail for various reasons.
• Revisional surgery is sometimes necessary to address failed primary bariatric procedures.

Purpose of the Study:

• To evaluate the risk and efficacy of converting failed bariatric operations to a different procedure in a single surgical session.

Main Methods:

• A retrospective review of 120 patients undergoing conversion surgery over 10 years.
• Procedures included Roux-en-Y gastrojejunostomy, unbanded gastrogastrostomy, and vertical banded gastroplasty.
• Follow-up data analyzed for weight control and complications.

Main Results:

• Serious early complications occurred in 5.8% of patients.
• Unbanded gastrogastrostomy showed poor weight control (80% failure).
• Roux-en-Y gastrojejunostomy and vertical banded gastroplasty achieved satisfactory long-term weight loss (average 30% total, 55% excess).

Conclusions:

• Conversion surgery for failed bariatric procedures is safe and effective.
• Roux-en-Y gastrojejunostomy and vertical banded gastroplasty are superior to unbanded gastrogastrostomy for long-term weight management.