Weiping Jia and colleagues at the Sixth People’s Hospital of Shanghai Jiao Tong University School of Medicine in China conducted a study to investigate the relationship between the complexity of glucose time series obtained from continuous glucose monitoring (CGM) and deterioration of blood glucose levels. Glucose regulation. This study introduces the use of a sophisticated composite multiscale entropy (RCMSE) analysis to calculate the complexity of the glucose time series index (CGI) and shows that this reduction in complexity It has been demonstrated that it is associated with a range of impaired glucose homeostasis. (NGT) to impaired glycemic regulation (IGR) and type 2 diabetes (T2D).
Key findings from this study include: (1) Glucose time series complexity gradually decreases across the glycemic continuum, with the most pronounced decrease observed in T2D patients compared to NGT and IGR patients. (2) CGI was found to be significantly associated with various parameters related to insulin sensitivity and secretion, indicating a close relationship between glucose dynamics and insulin function. (3) The property index (DI), which reflects β-cell function after adjusting for insulin sensitivity, was identified as the only independent factor that correlates with CGI and may function as a novel marker for assessing glucose homeostasis. was suggested.
The methodology of this study included a post hoc analysis of a multicenter CGM study conducted in China from 2007 to 2009, including 756 subjects with complete CGM data. Participants did not receive hypoglycemic treatment before or during the study period. This study was approved by the ethics committee of each participating hospital, and all subjects provided informed consent.
The results of this study have implications for clinical practice in diabetes management, as the complexity of glucose time series calculated using RCMSE analysis may serve as a new marker of glucose metabolic status. This may not only aid in early detection and management of diabetes, but also provide insight into the glycemic characteristics of patients with IGR.
Overall, this study contributes to the understanding of glucose dynamics and insulin function in relation to diabetes and its progression, providing potential avenues for future research and clinical applications.
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Reference magazines:
Lee, C. other. (2022). Reduced complexity of glucose time series obtained from continuous glucose monitoring correlates with worsened glucose control. medical frontier. doi.org/10.1007/s11684-022-0955-9.