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Association of glycemic variability assessed by continuous glucose monitoring with subclinical diabetic polyneuropathy in type 2 diabetes patients
Author(s) -
Pan Jiemin,
Yan Xinfeng,
Li Fengwen,
Zhang Yinan,
Jiang Lan,
Wang Congrong
Publication year - 2022
Publication title -
journal of diabetes investigation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.089
H-Index - 50
eISSN - 2040-1124
pISSN - 2040-1116
DOI - 10.1111/jdi.13652
Subject(s) - medicine , glycemic , diabetes mellitus , subclinical infection , nerve conduction velocity , odds ratio , diabetic neuropathy , type 2 diabetes , body mass index , peripheral neuropathy , risk factor , cardiology , endocrinology
Aims/Introduction Diabetic peripheral neuropathy is a common diabetes‐related microvascular complication. The relationship between peripheral nerve function and glucose variability is unclear. We investigated the association of glucose variability with subclinical diabetic polyneuropathy in a large‐scale sample of patients with type 2 diabetes. Materials and Methods We enrolled 509 individuals with type 2 diabetes who were screened for diabetic peripheral neuropathy and monitored using a continuous glucose monitoring system. Multiple glycemic variability parameters, including the mean amplitude of glycemic excursions, glucose standard deviation (SD gluc ) and glucose coefficient of variation were calculated from 3‐day glucose profiles obtained from continuous glucose monitoring. All participants underwent nerve conduction studies, and the composite Z ‐scores for nerve conduction parameters were calculated. Results Multivariate logistic regression analyses showed that SD gluc and the conventional risk factor hemoglobin A1c (HbA1c) were independently associated with abnormal nerve function, and the corresponding odds ratios (95% confidence interval) were 1.198 (1.027–1.397, SD gluc ) and 1.182 (1.061–1.316, HbA1c), respectively. The composite Z ‐score of nerve conduction velocity and response amplitude obviously decreased with greater SD gluc , and the composite Z ‐score of distal latency significantly increased with increasing tertiles of SD gluc (all P trend <0.05). After adjusting for age, sex, body mass index, diabetes duration and HbA1c, SD gluc was independently associated with nerve conduction velocity (β = −0.124, P  = 0.021). Conclusions The SD gluc is a significant independent contributor to subclinical diabetic polyneuropathy, in addition to conventional risk factors including diabetes duration and HbA1c.

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