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在重症监护环境中Dexcom G6 Pro连续葡萄糖监测器的准确性:紧密的ICU G6研究
Jagdeesh Ullal1, Charles Spanbauer2, Jesica D Baran3
1Center for Diabetes and Endocrinology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
Diabetes technology & therapeutics
|August 13, 2025
概括
德克斯康G6 Pro持续血糖监测 (CGM) 系统在重症监护病房 (ICU) 的准确性低于之前报告的,读数往往偏高. 这种不准确似乎与传感器本身有关,而不是ICU环境.
科学领域:
- 医疗器械 医疗器械
- 内分泌学 在内分泌学.
- 关键护理医学 关键护理医学
背景情况:
- 持续血糖监测 (CGM) 系统越来越多地用于糖尿病管理.
- 在重症监护机构评估CGM准确性对于患者安全至关重要.
- 在重症监护室 (ICU) 中Dexcom G6 Pro系统的性能需要进行具体的评估.
研究的目的:
- 评估Dexcom G6 Pro连续血糖监测 (CGM) 系统的准确性.
- 为了评估CGM的性能,特别是在重症监护室 (ICU) 的环境中.
- 为了比较Dexcom G6 Pro在ICU患者中的准确性与非ICU住院患者.
主要方法:
- 展望性,观察性,多中心研究,涉及患有糖尿病或压力高血糖症的成年ICU患者.
- 应用了两个Dexcom G6 Pro传感器,对血糖 (BG) 测量进行准确性评估.
- 同时的准确性评估在非ICU住院患者中进行.
主要成果:
- 总共有130名参与者产生了9120个传感器-BG对;平均相对绝对差异 (RAD) 为23%.
- 41%的传感器葡萄糖值符合BG≥100 mg/dL的15%/15 mg/dL标准.
- 在非ICU队列中观察到类似的准确度指标 (平均RAD21%),表明与传感器相关的问题.
结论:
- 与之前的报告相比,Dexcom G6 Pro传感器在ICU中显示精度降低,偏差很高.
- 观察到的不准确性似乎是G6 Pro传感器的内在特征,并不特定于ICU设置.
- 结果不应推断到实时Dexcom G6或其他CGM系统.
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