Review Article
Obesity Disease and Surgery
| Procedure | Advantages | Disadvantages |
| Vertical banded gastroplasty | (i) No intestinal anastomosis | (i) Foreign body | (ii) No malabsorption | (ii) High long-term failure rate |
| Adjustable gastric banding | (i) Technically simple | (i) Foreign body | (ii) Low morbidity | (ii) 15–30% failure rate | (iii) Reversible | (iii) May promote maladaptive eating behaviour | (iv) No intestinal anastomosis | | (v) No malabsorption | |
| Sleeve gastrectomy | (i) Technically simple | (i) May require second-stage procedure | (ii) Low morbidity | (ii) Unknown long-term results |
| Gastric bypass | (i) Sustained weight loss | (i) Intestinal anastamoses | (ii) Dumping in sweet eaters | (ii) Loss of access to gastric remnant | (iii) Resolution of gastroesophageal reflux disease | (iii) Mild risk for vitamin deficiencies | (iv) Risk of marginal ulceration |
| Biliopancreatic diversion-duodenal switch | (i) Excellent sustained weight loss | (i) Technically demanding | (ii) Larger portion size | (ii) Frequent bowel movement and flatulence | (iii) Excellent malabsorption | (iii) Increased risk of vitamin and protein malnutrition |
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