Sleeve Gastrectomy | Roux-en Y Gastric Bypass | One anastamosis Gastric Bypass | |
Time of Operation | 1 – 1.5 hours | 2 – 4 hours | 1.5 – 3 Hours |
Hospital Stay | 1 – 2 nights | 1 – 2 nights | 1 – 2 nights |
Wounds | Minimal – Keyhole surgery | Minimal – Keyhole surgery | Minimal – Keyhole surgery |
Food Intake | Food amount is restricted Food range may be restricted |
Food amount is restricted Food range may be restricted |
Food amount is restricted Food range may be restricted |
Nutritional Deficiencies | Unlikely but potentially Iron and Vitamin B12 | Potentially Iron, fat soluble vitamins, Calcium, Vitamin B12 | Potentially Iron, fat soluble vitamins, Calcium, Vitamin B12 |
Potential Side Effects & Complications | Vomiting, Nausea Bleeding, infection, clot formation, staple-line leak, Reflux | Vomiting, Bleeding, infection, clot formation, Anastomotic leak, Dumping Syndrome Possible change in bowel habits |
Vomiting, Bleeding, infection, clot formation, Anastomotic leak, Dumping Syndrome Possible change in bowel habits |
Expected weight Loss after 12-18 months | 50 – 60% of excess weight | 60 – 70% of excess weight | 60 – 70% of excess weight |
Reversibility | Permanent | Essentially irreversible | Reversible |
Death Rate (within 30 days of surgery) | 2-4 in 1000 | 2-4 in 1000 | 2-4 in 1000 |
Follow Up | Long term 2 years with surgery provider Discharged to GP at 2 years for annual review + blood tests |
Long term 2 years with surgery provider Discharged to GP at 2 years for annual review + blood tests |
Long term 2 years with surgery provider Discharged to GP at 2 years for annual review + blood tests |