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The accuracy of continuous glucose monitoring system by the athlete with diabetes mellitus type 1

  • Šárka Vokounová-Honsová
  • Tomáš Navrátil
  • Eva Kohlíková
Original Paper
  • 6 Downloads

Abstract

This article deals with assessment of accuracy of the widely used glucose sensors MMT-7002 (Medtronic, USA), for continuous monitoring of glucose levels. The samples were gained from a 35-year-old sportswoman with diagnosed DM type 1. The sampling was carried out by her common daily as well as extreme physical and sport activities. The evaluated data were collected during 45 months, 56 sensors were used and 603 calibrations were carried out. The tested glucose sensor operates on the principle of a needle sensor, which electrochemically evaluates the reaction products catalyzed by glucose oxidase. Accuracy was evaluated by Clarke error grid analysis and the results were compared with the accuracy given by the sensor manufacturer. The measurements carried out by the tested sensor in the range of the normal glucose levels, realized under usual life conditions and by sport activities were even more accurate than those given by the manufacturer. However, in the regions of hypoglycemia or hyperglycemia, the number of errors was higher than specified by the manufacturer. The continuous glucose monitoring proved to be sufficiently accurate for prevention of acute complications in patients with DM type 1 during their common as well as extreme sport and physical activities.

Graphical abstract

Keywords

Continuous glucose monitoring Continuous glucose-error grid analysis Diabetes mellitus Glucose oxidase response Practical accuracy Sensor 

Notes

Acknowledgements

The article was written in the framework of the scientific branch development program UK FTVS PRVOUK No. P38 Biological-Sciences Aspects of Human Movement Studies (E. Kohliková), PRVOUK No. P39 Social-Sciences Aspects of Human Movement Studies (S. Vokounová-Honsová) and under financial support of the Czech Science Foundation (GA ČR No. 17-03868S) (T. Navrátil).

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Faculty of Physical Education and SportCharles UniversityPrague 6Czech Republic
  2. 2.J. Heyrovský Institute of Physical Chemistry of the Czech Academy of SciencesPrague 8Czech Republic
  3. 3.Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of MedicineCharles University and General University Hospital in PraguePrague 2Czech Republic

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