The combined effect of vitamin D and parathyroid hormone concentrations on glucose homeostasis in older patients with prediabetes: A cross-sectional study
The combined effect of vitamin D and parathyroid hormone concentrations on glucose homeostasis in older patients with prediabetes: A cross-sectional study
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DOI:
10.1177/1479164117738443
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发表时间:
2018-03-01
影响因子:
2.4
通讯作者:
Kotsa, Kalliopi
中科院分区:
文献类型:
--
作者:
Karras, Spyridon N.;Anagnostis, Panagiotis;Kotsa, Kalliopi
Background: The combined effect of vitamin D and parathyroid hormone on glucose homeostasis has not been adequately investigated. The aim of this study was to examine the role of parathyroid hormone/vitamin D axis on glucose homeostasis in elderly persons with prediabetes.Methods: Patients with prediabetes (n=144) and healthy age-matched controls (n=81) were included in this cross-sectional study. Study parameters included anthropometric characteristics, morning fasting glucose (fasting plasma glucose), insulin (fasting plasma insulin), parathyroid hormone, 25-hydroxyvitamin D, homeostasis model assessment of insulin resistance and homeostasis model assessment of -cell function. Both groups were stratified into subgroups according to vitamin D status and tertiles of parathyroid hormone.Results: Both groups were comparable in terms of body mass index, 25-hydroxyvitamin D and parathyroid hormone status. In the prediabetes group, fasting plasma glucose differed significantly across parathyroid hormone tertiles, increasing from the first to the third tertile (p=0.011). There were higher fasting plasma glucose values in participants with vitamin D deficiency/parathyroid hormone third tertile compared to all other groups (p=0.031, 0.027 and 0.039, respectively).Conclusion: Parathyroid hormone status is associated with impaired glucose homeostasis; hypovitaminosis D combined with high parathyroid hormone concentrations are associated with glycaemic dysregulation in elderly patients with prediabetes.