Impact of Body Composition and Anemia on Accuracy of a Real-Time Continuous Glucose Monitor in Diabetes Patients on Continuous Ambulatory Peritoneal Dialysis
DIABETES TECHNOLOGY & THERAPEUTICS(2024)
摘要
Continuous glucose monitoring (CGM) is proposed as an alternative for glycemic assessment in peritoneal dialysis, but volume overload and anemia may affect sensor accuracy. This is an exploratory analysis of a study of Guardian Connect (TM) with Guardian Sensor (TM) 3 in 30 participants with diabetes on continuous ambulatory peritoneal dialysis (CAPD) (age [mean +/- standard deviation] 64.7 +/- 5.6 years, 23 men, body mass index [BMI] 25.4 +/- 3.9 kg/m(2), blood hemoglobin [Hb] 10.7 +/- 1.3 g/dL). The mean absolute relative difference (MARD) was calculated between paired sensor and YSI 2300 STAT venous glucose readings (n = 941) during an 8-h in-clinic session with glucose challenge. Body composition was evaluated using bioimpedance. The overall MARD was 10.4% (95% confidence interval 9.6-11.7). There were no correlations between BMI, extracellular water, relative hydration index, and lean or fat mass with MARD. No correlations were observed between MARD and Hb (r = 0.016, P > 0.05). In summary, this real-time CGM demonstrated good accuracy in CAPD with minimal influence from body composition and anemia.
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关键词
Continuous glucose monitoring,Peritoneal dialysis,Body composition,Diabetic kidney disease
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