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在FreeStyle Libre 3:对临床解释的影响中的当前显示和自动记录的葡萄糖值之间的差异
Lilian Witthauer1,2, Camilo Mendez1,2,3, José Garcia-Tirado1,2
1Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Diabetes, obesity & metabolism
|September 19, 2025
概括
从FreeStyle Libre 3系统中自动记录 (AL) 和当前显示 (CUR) 葡萄糖值之间的差异很小,但系统. 这些差异在低血糖和快速葡萄糖变化期间更加明显,影响了临床解释.
科学领域:
- 糖尿病 技术 技术
- 内分泌学 在内分泌学.
- 生物医学工程 生物医学工程
背景情况:
- 自由式自由3 (FSL3) 连续血糖监测 (CGM) 系统提供自动记录 (AL) 和当前显示 (CUR) 血糖值.
- 这些值通常被视为可互换的,但潜在的差异及其临床意义需要彻底调查.
研究的目的:
- 为了比较FSL3系统中的AL和CUR葡萄糖值.
- 调查任何观察到的差异的临床相关性,特别是在关键的血糖状况.
主要方法:
- 分析了24名参与者的15天FSL3数据,包括有控制的血糖外游的临床治疗.
- 配对AL和CUR读数使用描述性统计数据,威尔科克森签名等级测试和MARD计算进行了比较.
- 分析显示错误与葡萄糖水平和变化速率 (RoC) 的关联.
主要成果:
- CUR值通常与AL可比 (平均差异: -1.2 ± 6.4 mg/dL),低血糖症略有低估.
- 大约10%的读数显示差异超过±10 mg/dL.
- 平均绝对相对差异 (MARD) 对于AL (9.7%) 和CUR (10.1%) 是相似的,在低血糖期间偏差增加.
- 显示错误 (3.9%) 在高葡萄糖水平和快速RoC (p < 0.001) 期间更频繁.
结论:
- 虽然通常很小,但AL和CUR葡萄糖值之间的差异是系统的,并在低血糖和快速葡萄糖波动期间得到放大.
- 这些差异可能会影响跨临床值的读数重新分类,可能会影响患者与临床医生的对齐.
- 了解这些模式对于准确的CGM数据解释和优化自动化糖尿病管理系统至关重要.
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