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ID 116920
Author
Urasaki, Hirohisa Nankai Hospital|Tokushima Low Carbohydrate Diet Promotion Association
Bando, Hiroshi Tokushima Low Carbohydrate Diet Promotion Association|Tokushima University|Yoshinogawa Hospital KAKEN Search Researchers
Kobayashi, Harumi Yoshinogawa Hospital
Urasaki, Hiroko Tokushima Low Carbohydrate Diet Promotion Association
Ogawa, Hiroko Yoshinogawa Hospital
Nakanishi, Miwako Yoshinogawa Hospital
Watanabe, Osami Yoshinogawa Hospital
Keywords
Super-low carbohydrate diet (LCD)
Meal tolerance test (MTT)
Type 2 diabetes mellitus (T2DM)
Insulinogenic index (IGI)
Glucagon stimulation test (GST)
Homeostasis model assessment insulin resistance (HOMA-R)
Content Type
Journal Article
Description
Background
Diabetes mellitus (DM) has been more prevalent. American Diabetes Association (ADA) proposed the Standards of Medical Care in Diabetes-2022. For nutritional therapy, low carbohydrate diet (LCD) has been recognized for its benefits. Authors have continued diabetic research concerning LCD and meal tolerance test (MTT).
Case Presentation
The case is 61-year-old male with type 2 diabetes mellitus (T2DM) for years. His hemoglobin A1c (HbA1c) increased to 7.8% in autumn 2021, and further evaluation and treatment was conducted including LCD, daily check of meal and carbohydrate amount, 75 g OGTT, glucagon stimulation test (GST) and others.
Results
He was on super-LCD method including 12% of carbohydrate. His carbohydrate intake amount and 45-minutes post-prandial blood glucose showed significant correlation. The results of 75 g OGTT twice in May 2020 and December 2021 showed that similar pattern of glucose and insulin responses and insulinogenic index (IGI). In contrast, they showed decreased fasting immuno-reactive insulin (IRI) and Homeostasis model assessment insulin resistance (HOMA-R). For GST, C-peptide showed normal response.
Discussion and Conclusion
Judging from the results of MTT, OGTT, GST and IGI, he seems to show rather decreased insulin resistance by LCD associated with preserved insulin secretion ability to some degree. Further investigation would be required from pathophysiological point of view.
Journal Title
Diabetes Research : Open Journal
ISSN
23796375
Publisher
Openventio Publishers
Volume
8
Issue
1
Start Page
11
End Page
17
Published Date
2022-03-07
Rights
This is an open-access article distributed under Creative Commons Attribution 4.0 International License (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/), which allows to copy, redistribute, remix, transform, and reproduce in any medium or format, even commercially, provided the original work is properly cited.
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language
eng
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departments
Medical Sciences
University Hospital