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26-12-2023 | Hyperglycemia | Original Article

Hyperglycemia affects axial signs in patients with Parkinson’s disease through mechanisms of insulin resistance or non-insulin resistance

Authors: Ruidan Wang, Zhaohui Jin, Qiaoxia Zhen, Lin Qi, Cui Liu, Ping Wang, Yonghong Liu, Jinping Fang, Yanjun Liu, Yuan Su, Yixuan Wang, Detao Meng, Hongjiao Yan, Yi Zhen, Zhenzhen Li, Boyan Fang

Published in: Neurological Sciences | Issue 5/2024

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Abstract

Objective

To investigate the influence of hyperglycemia on motor symptoms, especially axial signs, and potential mechanisms related to insulin resistance (IR) in patients with Parkinson’s disease (PWP).

Methods

According to glycated hemoglobin (HbA1c) level, PWP were divided into the low-HbA1c and the high-HbA1c groups. Demographic information, glucose metabolism-related variables, Hoehn-Yahr stage, and motor function were compared between the two groups. Correlations between levels of HbA1c and the homeostatic model assessment (HOMA)-IR and motor function in PWP were further analyzed.

Results

HbA1c level was significantly and positively correlated with the Movement Disorder Society Unified Parkinson’s Disease Rating Scale Part III score, axial signs subscore, the Timed Get Up and Go test time, the center of pressure displacement of standing with eyes open and closed, and significantly and negatively correlated with the 10-m walk test comfortable gait speed. HOMA-IR level was significantly and negatively correlated with 10-m walk test comfortable gait speed, but not with others.

Conclusions

PWP with high HbA1c showed worse axial symptoms, including dysfunction of automatic walking, dynamic balance, and postural control than those with low HbA1c. In PWP, the effects of hyperglycemia on automatic walking speed may be associated with the IR-related mechanisms, and the effects on dynamic balance and postural control may be related to mechanisms other than IR.
Literature
Metadata
Title
Hyperglycemia affects axial signs in patients with Parkinson’s disease through mechanisms of insulin resistance or non-insulin resistance
Authors
Ruidan Wang
Zhaohui Jin
Qiaoxia Zhen
Lin Qi
Cui Liu
Ping Wang
Yonghong Liu
Jinping Fang
Yanjun Liu
Yuan Su
Yixuan Wang
Detao Meng
Hongjiao Yan
Yi Zhen
Zhenzhen Li
Boyan Fang
Publication date
26-12-2023
Publisher
Springer International Publishing
Published in
Neurological Sciences / Issue 5/2024
Print ISSN: 1590-1874
Electronic ISSN: 1590-3478
DOI
https://doi.org/10.1007/s10072-023-07273-y

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