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Morphology of the pancreas in type 2 diabetes: effect of weight loss with or without normalisation of insulin secretory capacity.


ABSTRACT:

Aims/hypothesis

This study was designed to establish whether the low volume and irregular border of the pancreas in type 2 diabetes would be normalised after reversal of diabetes.

Methods

A total of 29 individuals with type 2 diabetes undertook a very low energy (very low calorie) diet for 8 weeks followed by weight maintenance for 6 months. Methods were established to quantify the pancreas volume and degree of irregularity of the pancreas border. Three-dimensional volume-rendering and fractal dimension (FD) analysis of the MRI-acquired images were employed, as was three-point Dixon imaging to quantify the fat content.

Results

There was no change in pancreas volume 6 months after reversal of diabetes compared with baseline (52.0?±?4.9 cm(3) and 51.4?±?4.5 cm(3), respectively; p?=?0.69), nor was any volumetric change observed in the non-responders. There was an inverse relationship between the volume and fat content of the pancreas in the total study population (r?=-0.50, p?=?0.006). Reversal of diabetes was associated with an increase in irregularity of the pancreas borders between baseline and 8 weeks (FD 1.143?±?0.013 and 1.169?±?0.006, respectively; p?=?0.05), followed by a decrease at 6 months (1.130?±?0.012, p?=?0.006). On the other hand, no changes in FD were seen in the non-reversed group.

Conclusions/interpretation

Restoration of normal insulin secretion did not increase the subnormal pancreas volume over 6 months in the study population. A significant change in irregularity of the pancreas borders occurred after acute weight loss only after reversal of diabetes. Pancreas morphology in type 2 diabetes may be prognostically important, and its relationship to change in beta cell function requires further study.

SUBMITTER: Al-Mrabeh A 

PROVIDER: S-EPMC4930466 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Publications

Morphology of the pancreas in type 2 diabetes: effect of weight loss with or without normalisation of insulin secretory capacity.

Al-Mrabeh Ahmad A   Hollingsworth Kieren G KG   Steven Sarah S   Taylor Roy R  

Diabetologia 20160514 8


<h4>Aims/hypothesis</h4>This study was designed to establish whether the low volume and irregular border of the pancreas in type 2 diabetes would be normalised after reversal of diabetes.<h4>Methods</h4>A total of 29 individuals with type 2 diabetes undertook a very low energy (very low calorie) diet for 8 weeks followed by weight maintenance for 6 months. Methods were established to quantify the pancreas volume and degree of irregularity of the pancreas border. Three-dimensional volume-renderin  ...[more]

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