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Stanford Health Care

Detection of a Meal Using Continuous Glucose Monitoring implications for an artificial beta-cell DIABETES CARE Dassau, E., Bequette, B. W., Buckingham, B. A., Doyle, F. J. 2008; 31 (2): 295-300

Abstract

The purpose of this study was to introduce a novel meal detection algorithm (MDA) to be used as part of an artificial beta-cell that uses a continuous glucose monitor (CGM).We developed our MDA on a dataset of 26 meal events using records from 19 children aged 1-6 years who used the MiniMed CGMS Gold. We then applied this algorithm to CGM records from a DirecNet pilot study of the FreeStyle Navigator continuous glucose sensor. During a research center admission, breakfast insulin was withheld for 1 h, and discrete glucose levels were obtained every 10 min after the meal.Based on the Navigator readings, the MDA detected a meal at a mean time of 30 min from the onset of eating, at which time the mean serum glucose was 21 mg/dl above baseline (range 2-36 mg/dl), and >90% of meals were detected before the glucose had risen 40 mg/dl from baseline.The MDA will enable automated insulin dosing in response to meals, facilitating the development of an artificial pancreas.

View details for DOI 10.2337/dc07-1293

View details for Web of Science ID 000266563300023

View details for PubMedID 17977934