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在医院环境中持续监测葡萄糖的准确性:一项观察性研究

Mollie Y O'Connor¹, Kristen L Flint¹, Amy Sabean¹

¹Diabetes Research Center, Massachusetts General Hospital, Boston, MA, USA.

|August 10, 2024

概括

在医院的持续血糖监测 (CGM) 的准确性低于门诊患者. 每日校准和仔细的患者选择可以提高住院血糖监测的准确性.

科学领域:

临床医学临床医学
医疗器械医疗器械
内分泌学在内分泌学.

背景情况:

持续血糖监测 (CGM) 是为了改善门诊患者的血糖控制而建立的.
医院环境中CGM设备的准确性和性能存在有限的数据.

研究的目的:

在住院成年患者中评估特定的CGM设备 (Dexcom G6 Pro) 的准确性.
确定影响CGM准确性的因素,并评估校准对性能的影响.

主要方法:

一项前性观察性研究,涉及19个非重症监护病房的326名住院成年人.
盲目CGM数据与照顾点和实验室葡萄糖测量的比较.
准确度指标的分析,包括%20/20,MARD,中位数ARD和克拉克错误网格分析 (CEGA).
追溯校准和多变量回归被用来评估影响因素.

主要成果:

整体准确度指标:59.5% %20/20,19.2% MARD,16.8% ARD的中位数.
CEGA表示98.2%的值是临床准确的 (A区/B区).
在患有严重贫血,功能障碍和的患者中观察到较低的精度.
每天早上校准显著提高了准确性 (MARD 11.4%).

结论:

在医院,CGM的准确性可能低于门诊.
患者选择和每日校准对于优化住院患者的CGM精度至关重要.
需要进一步的研究来确定CGM在住院血糖管理中的作用.

关键词:

准确度准确度准确度准确度准确度校准校准校准校准校准校准校准不断监测葡萄糖的情况.医院医院医院医院医院在住院的病人.

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