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Gastric bypass surgery reveals independency of obesity and diabetes melitus type 2

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  1. Gut Mucosal Gene Expression and Metabolic Changes After Roux-en-Y Gastric Bypass Surgery

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

  2. Nonalcoholic Fatty Liver Disease Impairs the Liver-Alpha Cell Axis Independent of Hepatic Inflammation and Fibrosis

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

  3. Prediction of carotid intima-media thickness and its relation to cardiovascular events in persons with type 2 diabetes

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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BACKGROUND: Roux-en-Y gastric bypass surgery is widely applied to ameliorate morbid obesity, including diabetes in people with type 2 diabetes. The latter vanish a few days after surgery for many, but not in all patients before any weight reduction has occurred. The explanation for this change in metabolic status is poorly understood, but the observation may suggest that the fate obesity and diabetes is only partly linked after surgery.

METHODS: The trajectories of weight reduction measured as reduced body mass index (BMI) in 741obese subjects with and without diabetes were evaluated. Evaluation was performed on three groups: 1) subjects that were non-diabetic before and after surgery; 2) subjects that were diabetics before surgery but non-diabetics after surgery; and 3) subjects that were diabetics before surgery and remained diabetics after surgery. The diabetic state was established at HbA1c above 48 mmol/mol.

RESULTS: The trajectories differ significantly between groups and any sub-populations of groups, the latter identified by the distance between individual trajectories using a k-means procedure. The results suggest that different domains in the enormous genetic network governing basic metabolism are perturbed in obesity and diabetes, and in fact some of the patients are affected by two distinct diseases: obesity and diabetes mellitus type 2.

CONCLUSION: Although RYGB "normalized" many glycaemic parameters in some of the diabetic subjects apparently converting to a non-diabetics state, other diabetic subjects stay diabetic in the context of the new gut anatomy after surgery. Thus, the obesity part of the glycaemic derangement may have been ameliorated, but some defects of the diabetic state had not.

TidsskriftBMC Endocrine Disorders
Udgave nummer1
Sider (fra-til)59
StatusUdgivet - 9 nov. 2016

ID: 49456697