Journal
DIABETES RESEARCH AND CLINICAL PRACTICE
Volume 162, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.diabres.2020.108096
Keywords
Muscle mass; Nerve conduction velocity; Peripheral neuropathy; Sarcopenia; Type 2 diabetes
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Funding
- central government special funds for the Local Science and Technology Development [2018L3007]
- Major Project of China Microcirculation Society Diabetes Fund [TW-2018P002]
- Financial Special Fund of Fujian Provincial Finance Department [2018B007]
- Startup Fund for Scientific Research, Fujian Medical University [2017XQ1070]
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Aim: This study aimed to investigate the association of sarcopenia and muscle mass with both peripheral neuropathy and nerve function in type 2 diabetes mellitus. Methods: A total of 1794 patients (937 men and 857 women) with type 2 diabetes, with a mean age of 60.22 years, were enrolled for a cross-sectional study; of these, 183 patients were enrolled for a follow-up study with a median follow-up of 2.7 years. All participants underwent nerve conduction studies and muscle mass index (ASM/HT2) measurements. The composite Z scores for the sensory nerve conduction velocity (SCV) and the motor nerve conduction velocity (MCV) were calculated. The changes in ASM/HT2, SCV, and MCV were calculated from the measurements nearly 2 years apart and classified into three groups: a decrease in ASM/HT2 of >3%, a minor change within +/- 3%, and an increase in ASM/HT2 of >3%. Results: The ASM/HT2 of men was positively associated with the composite Z scores of MCV and SCV, and sarcopenia highly correlated with DPN after adjusting for confounding factors. The optimal cutoff point for ASM/HT2 that indicated DPN was 7.09 kg/m(2). Furthermore, increases in ASM/HT2 independently predicted a greater benefit of MCV and SCV increment outcomes, whereas a minor change in ASM/HT2 only significantly associated with lower benefit in terms of SCV increment. However, this phenomenon was not observed in women. Conclusions: Sarcopenia and DPN exhibited a close association. The increased muscle mass improved the partial MCVs and SCVs. However, a sex-related discrepancy was observed in this phenomenon. (C) 2020 Elsevier B.V. All rights reserved.
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