NEJM:危重病患儿血糖控制一定要达到正常范围吗?

2017-01-25 xing.T MedSci原创

由此可见,对于伴有高血糖的危重病患儿,相比于150-180 mg/dL的目标血糖水平,通过严格的血糖控制将血糖维持在80-110mg/dL目标水平并不能获益。

在多中心研究中,严格血糖控制达到正常血糖水平并不能改善危重病成人或心脏手术后儿童的预后。然而针对没有接受心脏手术的危重病患儿的研究目前仍是缺乏的。因此,近日,顶级医学期刊NEJM上针对这一临床问题发表了一篇研究文章。

在35个中心的试验中,研究人员将证实存在高血糖的危重病患儿(不包括曾接受心脏手术的患者)随机分配,分别将血糖控制在80-110mg/dL(4.4-6.1mmol/L;低目标组)或150-180 mg/dL(8.3-10.0mmol/L;高目标组)。指导临床医生进行连续血糖监测和讲解胰岛素的调整方法。该研究的主要结局为28天中不入住ICU的天数。

在数据和安全监测委员会的建议下,该试验被提前停止,原因是受益可能性较低,以及证据显示有可能造成伤害。在713例患者中,360例患者被随机分入低目标组,353例患者分入高目标组。在意向性治疗分析中,研究人员发现两组之间不入住ICU天数的中位数不存在显著差异(分别为19.4天[四分位间距为0-24.2天] vs. 19.4天[6.7-23.9天];P=0.58)。在符合方案集分析中,低目标组通过平均血糖水平加权的中位时间显著降低(109 mg/dL[102-118];6.1mmol/L[5.7-6.6])相比于高目标组(123mg/dL[108-142];6.8mmol/L[6.0-7.9];P<0.001)。在低目标组的患者中发生保健相关的感染率更高相比于高目标组患者(349例中有12例[3.4%] vs. 349例中有4例[1.1%],P=0.04),并且被定义为血糖水平低于40mg/dL(2.2mmol/L)的严重低血糖的发生率也较高(分别为18例[5.2%] vs. 7例[2.0%],P=0.03)。研究人员观察到的死亡率、器官功能障碍的严重程度或无呼吸机天数在两组之间并无显著性差异。

由此可见,对于伴有高血糖的危重病患儿,相比于150-180 mg/dL的目标血糖水平,通过严格的血糖控制将血糖维持在80-110mg/dL目标水平并不能获益。

原始出处:

Michael S.D. Agus, et al. Tight Glycemic Control in Critically Ill Children. N Engl J Med 2017; http://www.nejm.org/doi/full/10.1056/NEJMoa1612348

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    2017-01-28 ylzr123

    对于伴有高血糖的危重病患儿,相比于150-180mg/dL的目标血糖水平,通过严格的血糖控制将血糖维持在80-110mg/dL目标水平并不能获益。

    0

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    2017-01-26 Anima

    儿童

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