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Glucose concentrations in blood and tissue - a pilot study on variable time lag
R. Chlup, J. Krejci, M. O'Connell, B. Sebestova, R. Plicka, L. Jezova, T. Brozova, B. Doubravova, H. Zalesakova, E. Durajkova, J. Vojtek, J. Bartek
Jazyk angličtina Země Česko
Typ dokumentu klinické zkoušky kontrolované, časopisecké články, práce podpořená grantem
NLK
Directory of Open Access Journals
od 2001
Free Medical Journals
od 1998
Medline Complete (EBSCOhost)
od 2007-06-01
ROAD: Directory of Open Access Scholarly Resources
od 2001
- MeSH
- časové faktory MeSH
- diabetes mellitus 1. typu metabolismus MeSH
- diabetes mellitus 2. typu metabolismus MeSH
- krevní glukóza metabolismus MeSH
- lidé MeSH
- omezení příjmu potravy metabolismus MeSH
- pilotní projekty MeSH
- průřezové studie MeSH
- selfmonitoring glykemie MeSH
- subkutánní tkáň metabolismus MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- klinické zkoušky kontrolované MeSH
- práce podpořená grantem MeSH
AIM: TheAIM of this pilot study was to acquire insight into the parameters of glycaemic control, especially, (1) the time delay (lag phase) between plasma and tissue glucose concentrations in relation to rise and fall in glucose levels and (2) the rate of glucose increase and decrease. METHODS: Four healthy people (HP), 4 people with type 1diabetes (DM1) and 4 with type 2 diabetes (DM2) underwent concurrent glucose measurements by means of (1) the continuous glucose monitoring system (CGMS-Medtronic), Medtronic-Minimed, CA, USA, calibrated by the glucometer Calla, Wellion, Austria, and, (2) the Beckman II analyser to measure glucose concentrations in venous plasma. Samples were taken on 4 consecutive days in the fasting state and 4 times after consumption of 50 g glucose. Carelink Personal, MS Excel, Maple and Mat lab were applied to plot the evolution of glucose concentration and analyse the results. The time difference between increase and decrease was calculated for HP, DM 1 and DM 2. RESULTS: In DM1and DM2, glucose tolerance testing (GTT) resulted in slower transport of glucose into subcutaneous tissue than in HP where the lag phase lasted up to 12 min. The maximum increase/decrease rates in DM1 and DM2 vs HP were 0.25 vs < 0.1 mmol/L/min. CONCLUSION: CGMS is shown to provide reliable plasma glucose concentrations provided the system is calibrated during a steady state. The analysis of glucose change rates improves understanding of metabolic processes better than standard GTT.
BVT Technologies a s Strazek Czech Republic
Department of Physiology Faculty of Medicine and Dentistry Palacky University Olomouc Czech Republic
Citace poskytuje Crossref.org
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