
Surgical cure for type 2 diabetes by foregut or hindgut operations: a myth or reality? A systematic review
, Volume 31, Issue1 , pp 2537 | Cite as
Surgical cure for type 2 diabetes by foregut or hindgut operations: a myth or reality? A systematic review
Bariatric surgery results in remission of type 2 diabetes mellitus in a significant proportion of patients. Animal research has proposed the foregut and hindgut hypotheses as possible mechanisms of remission of T2DM independent of weight loss. These hypotheses have formed the basis of investigational procedures designed to treat T2DM in non-obese (in addition to obese) patients. The aim of this study was to review the procedures that utilise the foregut and hindgut hypotheses to treat T2DM in humans.
A systematic review was conducted to identify the investigational procedures performed in humans that are based on the foregut and hindgut hypotheses and then to assess their outcomes.
Twenty-four studies reported novel procedures to treat T2DM in humans; only ten utilised glycated haemoglobin A1c (HbA1c) in their definition of remission. Reported remission rates were 2040% for duodenaljejunal bypass (DJB), 7393% for duodenaljejunal bypass with sleeve gastrectomy (DJB-SG), 62.5100% for duodenaljejunal bypass sleeve (DJBS) and 4795.7% for ileal interposition with sleeve gastrectomy (II-SG). When using a predetermined level of HbA1c to define remission, the remission rates were lower (27, 63, 0 and 65%) for DJB, DJB-SG, DJBS and II-SG.
The outcomes of the foregut- and hindgut-based procedures are not better than the outcomes of just one of their components, namely sleeve gastrectomy. The complexity of these procedures in additio
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