Marion J. Fokkert

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BACKGROUND Due to increasing numbers of people with diabetes taking part in extreme sports (e.g., high-altitude trekking), reliable handheld blood glucose meters (BGMs) are necessary. Accurate blood glucose measurement under extreme conditions is paramount for safe recreation at altitude. Prior studies reported bias in blood glucose measurements using(More)
OBJECTIVES New data have emerged from ambulatory and acute care settings about adverse patient events, including death, attributable to erroneous blood glucose meter measurements and leading to questions over their use in critically ill patients. The U.S. Food and Drug Administration published new, more stringent guidelines for glucose meter manufacturers(More)
OBJECTIVE To evaluate the performance of the FreeStyle Libre Flash continuous glucose monitoring (FSL-CGM) system against established central laboratory methods. RESEARCH DESIGN AND METHODS 20 subjects (8 type 1 diabetes mellitus, 12 type 2 diabetes mellitus) were analyzed. FSL-CGM sensor measurements (inserted in arm and abdomen) were compared with(More)
OBJECTIVE Limited information is available regarding the metabolic effects of high altitude trekking in patients with type 2 diabetes. RESEARCH DESIGN AND METHODS Thirteen individuals with type 2 diabetes took part in a 12-day expedition to the summit of Mount Toubkal (altitude, 4,167 m), Morocco, after 6 months of exercise training. Energy expenditure,(More)
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