Table 16.

Various surgical procedures with merits and demerits[55,56]

Gastric bypass	Gastric band (adjustable)	Sleeve gastrectomy
Very long technical experience	Three decades of experience	One decade of experience
Stomach and small intestine bypassed and stomach reduced to a very small pouch size	Band placed around upper part of the stomach (adjustable externally)	Stomach restricted vertically (80% removed)
Massive weight loss expected (14-20 units of BMI)	Significant weight loss expected (8-12 units of BMI)	Very significant weight loss expected (10-18 units of BMI
Partly reversible procedure	Fully reversible procedure	Irreversible procedure