Dual-Test Monitoring of Hyperglycemia Using Daily Glucose and Weekly Fructosamine Values

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Abstract
The purpose of this study was to assess the impact of using a dual-test blood glucose/fructosamine home monitoring system to assist individuals identified as having the potential for poor glycemic control to achieve values closer to normal. Forty-eight subjects found to have a fasting blood glucose value of ≥126 mg/dL, casual blood glucose value of ≥140 mg/dL, and/or blood fructosamine value of ≥310 μmol/L, agreed to perform daily self testing for 90 days and were provided a dual-test blood glucose/fructosamine home monitoring system and testing supplies at no charge to them. Medication changes/compliance along with dietary and exercise habits were compared to testing results by the principle investigator at approximate 30-day intervals. The desired goal of this project was to achieve and/or maintain a fasting blood glucose value of ≤110 mg/dL, a casual blood glucose value of ≤140 mg/dL and a blood fructosamine value of ≤310 μmol/L by encouraging each individual to realize the effect of dietary intake and exercise habits, and understand the importance of medication compliance, if appropriate, in achieving better overall glycemic control. Four subjects withdrew from the study prior to completion, 11 of the remaining 44 completed 60 days of testing and 33 of 44 completed 90 days of testing. Regular monitoring and counseling achieved an average reduction in blood glucose of 27.5% and a 16.6% reduction in average blood fructosamine when compared to original screening results of these 44 individuals. This study indicates that the addition of weekly fructosamine values to daily blood glucose values provides both the patient and clinician valuable information to evaluate the impact of dietary, exercise, and medication therapy changes on glycemic control by bridging the existing gap between daily blood glucose values and quarterly HbA1c confirmation of intervention results.

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