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01.07.2012 | original article | Ausgabe 13-14/2012

Wiener klinische Wochenschrift 13-14/2012

Intraindividual differences between two simultaneous glucose measurement systems in type 2 diabetic patients

Zeitschrift:
Wiener klinische Wochenschrift > Ausgabe 13-14/2012
Autoren:
MD Lars Stechemesser, Agnes Hammerschmied, Brigitta Gappmayer, Mynda Schreuer, Raimund Weitgasser

Summary

Aims

Continuous glucose measurement systems are an established tool to support diabetes therapy. Because of different technical solutions one can propose different potential limitations in daily practice. So we tried to identify the accuracy of two different devices head to head in daily routine to point out individual characteristics.

Methods

We included 24 patients with type 2 diabetes mellitus to wear the GlucoDay and the MiniMed continuous glucose measurement system at the same time for 48 h. We examined the mean differences in simultaneous glucose measurements, the confidence intervals were calculated by standard methods based on the t-distribution.

Results

Comparison of glucose levels of both continuous glucose measurement systems showed that there was a tendency for higher glucose levels measured by the GlucoDay device. These differences were dependent on the time of the day. The absolute difference between two consecutive glucose measurements was higher for the GlucoDay system what means a somehow higher fluctuation of the GlucoDay measurements.

Conclusions

The differences in intraindividual comparison of the GlucoDay and the MiniMed continuous glucose measurement systems in type 2 diabetic patients may be taken into account when using different systems for detection of nocturnal hypoglycemia and the observation of trends used for therapeutic decisions.

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