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Erschienen in:
14.10.2020 | New Concept
Conversion from Duodenal Switch to Single Anastomosis Duodenal Switch to Deal with Postoperative Malnutrition
Erschienen in: Obesity Surgery | Ausgabe 1/2021
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Background
Duodenal switch (DS) is considered one of the most effective bariatric techniques for long-term weight and comorbidity control. After these operations, some patients may get severe complications related to malnutrition and a few of them may need surgical revision. Lengthening the common channel (CC) is usually the solution: changing the Roux anastomosis or with a side-to-side anastomosis (kissing X). We propose that when simplified construction of the DS is used, conversion to single anastomosis DS (SADI-S/OADS) is an easy and safe choice.
Objectives
To evaluate the safety and effectiveness of conversion from DS to SADI-S in cases of malnutrition.
Methods
We report three patients with severe malnutrition after a DS at 9, 74, and 84 months. One of them had also liver failure related to alcohol abuse and malnutrition. Laparoscopic reoperations included a new ileo-ileal anastomosis and takedown of the Roux-en-Y anastomosis with the aim of lengthening the CC.
Results
All three patients were successfully converted by laparoscopy. After a median follow-up of 54.6 months [32–76 months], all of them had moderate weight regain and returned to normal biochemical nutritional parameters. Two patients with type 2 diabetes (T2DM) before DS had complete remission before conversion; one of them had recurrence of T2DM after conversion. The patient with liver failure improved significantly after conversion.
Conclusions
Conversion from DS to SADI-S/OADS is a simple operation with excellent results in resolving malnutrition in those patients. However, weight regain and recurrence of comorbidities may arise.