The summarization has been updated in the visual side by side comparison of SADI to DS - giving a more robust insight into the differences between procedures and the risk/reward equation :
http://www.dssurgery.com/procedures/compare-weight-loss-surgical-procedures.php
Excerpt (emphasis added to highlight differences):
Duodenal Switch
- Approximately 75% of the stomach is removed (irreversible)
- The small bowel rerouted to limit carbohydrate, fat and protein absorption
- Gallbladder removed
- Small Bowel in two parallel channels
- Long term outcome known
- No Chance of Bile reflux
SADI
- Approximately 75% of the stomach is removed (irreversible)
- The small bowel rerouted to limit Fat and protein absorption
- Gallbladder removed
- Small bowel is maintained in one loop.
- The long term outcome is unknown
- Theoretical chance of Bile reflux gastritis
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