Abstract
Pancreatic volume and fat content might be associated with β-cell function or insulin resistance (IR). We investigated the difference in pancreatic volume and fat content between age- and body mass index (BMI)-matched normal subjects and patients with having different durations of type 2 diabetes (T2D). We compared pancreatic volume and fat parameters between 50 age- and BMI-matched normal subjects, 51 subjects with newly diagnosed type 2 diabetes (T2D-new), 53 subjects with T2D <5 years (T2D<5Y), and 52 subjects with T2D ≥5 years (T2D≥5Y). Age and BMI were matched to range of ±2 years and ±0.5 kg/m2, respectively. Pancreatic volume and fat were measured by multidetector-row computed tomography with 64 detector-row scanner. The difference in Hounsfield units between pancreas and spleen (HUp–s) was investigated for fat density. Anthropometric and biochemical parameters including the homeostasis model assessment of IR (HOMA-IR) and the insulinogenic index (IGI) were measured. Compared with normal subjects, patients with T2D had significantly smaller pancreatic volume, greater pancreatic fat, and lower HUp–s. Among the groups with T2D, pancreatic volume decreased and pancreatic fat percentage and HUp–s increased from the T2D-new to the T2D<5Y and T2D>5Y groups. Pancreatic volume and fat and HUp–s values were associated with HbA1c and triglyceride levels. Pancreatic volume was correlated with IGI while pancreatic fat and HUp–s values were correlated with HOMA-IR. The current study suggests that pancreatic volume and fat deposition might be associated with the development and progression of T2D in Korean subjects.
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Abbreviations
- T2D:
-
Type 2 diabetes mellitus
- MDCT:
-
Multidetector-row computed tomography
- BMI:
-
Body mass index
- OGTT:
-
Oral glucose tolerance test
- FPG:
-
Fasting plasma glucose
- PG:
-
Post-glucose load glucose
- FPI:
-
Fasting plasma insulin
- IGI:
-
Insulinogenic index
- HOMA-IR:
-
Homeostasis model assessment of insulin resistance
- ROI:
-
Region of interest
- HU:
-
Hounsfield units
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Acknowledgments
This study was supported by a Grant of the Korean Health Technology Research and Development project, Ministry of Health and Welfare, Republic of Korea (A090623 and A092077) and a Grant from the Seoul National University Bundang Hospital Research Fund (No. 03-2009-003).
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The authors declare they have no conflict of interest.
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This study was approved by the Institutional Review Board of SNUBH (B-0809/061- 104) and performed according to the principles of the Declaration of Helsinki.
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Informed consent was obtained from all patients for being included in the study.
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Lim, S., Bae, J.H., Chun, E.J. et al. Differences in pancreatic volume, fat content, and fat density measured by multidetector-row computed tomography according to the duration of diabetes. Acta Diabetol 51, 739–748 (2014). https://doi.org/10.1007/s00592-014-0581-3
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DOI: https://doi.org/10.1007/s00592-014-0581-3