在危急重症患者,特别是在重症监护病房(intensive care unit,ICU)内治疗的患者中,高血糖的发生频率很高,包括确诊的和未确诊的糖尿病以及应激性高血糖[1]。住院患者中,血糖显著高于或持续高于7.8mmol/L,就有必要治疗[2]。对于之前未诊断糖尿病的患者,血糖水平的升高可能是应激 In critically ill patients, especially those treated in intensive care units (ICUs), the incidence of hyperglycemia is high, with both confirmed and undiagnosed diabetes and stress-induced hyperglycemia [1]. Inpatients, blood glucose was significantly higher than or sustained higher than 7.8mmol / L, it is necessary treatment [2]. In patients with undiagnosed diabetes, elevated blood glucose levels may be stressful