Glycaemic variability and inflammation in subjects with metabolic syndrome.

Salvatore Verga, Giovanni Cerasola, Santina Cottone, Silvio Buscemi, Barbara Buscemi, Vitalba Azzolina

Research output: Contribution to journalArticle

16 Citations (Scopus)


Subjects who develop diabetes have an increased cardiovascular risk even before the appearance of diabetes. The aim of this study was to investigate the glycaemic var- iability measured by continuous glucose monitoring (CGM CV%) in nondiabetic subjects with metabolic syndrome (MS) and to explore if glycaemic variability was associated with circulating levels of interleukin-6 (IL-6), a proinflam- matory cytokine, or with an anti-inflammatory factor like adiponectin. Three groups of obese subjects with (MS?: 6m, 8f; BMI 33.1 ± 1.4 mean ± SEM) or without metabolic syndrome (MS-: 2m, 4f; BMI 29.2 ± 2.2) and with MS associated with type 2 diabetes (MS/T2D: 3m, 5f; BMI 32.9 ± 1.4) were investigated. The glycaemic variability was measured in all subjects in terms of CV% of the gly- caemic values obtained every 3 min during the course of a 48 h CGM performed using a subcutaneous glucose sensor. The average CGM CV% increased from MS- group (21.1%) to the MS? group (23.9%) and to the MS?/T2D group (27.4%) but it was not correlated to the CGM mean glycaemia (r = 0.20; P = ns). In some instances, CGM CV% was found higher in MS? subjects than in some MS? T2D ones. Stepwise multiple correlation analysis showed that IL-6 predicted CGM CV% (R2 = 0.35, b = 0.13; P \ 0.05) independently from BMI, waist circumference, adiponectin and insulin concentrations. In conclusion, the CGM CV% may contribute to better describe the individualmetabolic state and to understand the pathogenesis of endothelial dysfunction in non diabetic subjects with MS.
Original languageEnglish
Pages (from-to)55-61
Number of pages6
JournalActa Diabetologica
Publication statusPublished - 2009

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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