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Single-Anastomosis Malabsorptive Procedures 

Single-Anastomosis Malabsorptive Procedures
Single-Anastomosis Malabsorptive Procedures

Rocío Santos Rancaño

, Andrés Sánchez Pernaute

, and Antonio José Torres Garcia

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date: 09 December 2021

Malabsorptive interventions are recognized as the procedure of choice in metabolic surgery and as the best strategy for re-do surgery when restriction fails. This chapter describes the most recently published single-anastomosis malabsorptive procedures: the one-anastomosis gastric bypass (OAGB), the single-anastomosis duodenoileal anastomosis with sleeve (SADIS), the duodenojejunal omega switch (DJOS), the duodenoileal omega switch (DIOS), the ileal food diversion (IFD), and the sleeve gastrectomy with loop bipartition (SG + LB). These procedures are effective and safe and may be regarded as an option, although no consensus exists as to which procedure offers the best option overall, nor is there an established criterion or algorithm for a made-to-measure procedure for a given patient. The use of a single anastomosis is the most important part of the techniques. All the procedures are relatively new and their safety should be evaluated in bigger randomized trials.

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