Crit Care Med:替代性复苏策略、损伤性生物标志物与败血症休克

2017-01-17 MedSci MedSci原创

早期脓毒性休克规范化治疗的试验研究发现,在所有原因导致死亡的患者中替代性复苏策略之间没有差异。近期,一项发表在Crit Care Med杂志上的文章研究了复苏策略的差异是否影响与脓毒症的下游临床结果相关的关键生物标志物,以及对于不同基线生物标志物的生存患者而言,治疗组之间是否存在差异。此项研究选取美国31家医院,招募了628例脓毒性休克患者。进行了大型随机临床试验的二级分析。干预方法为两种复苏方案

早期脓毒性休克规范化治疗的试验研究发现,在所有原因导致死亡的患者中替代性复苏策略之间没有差异。近期,一项发表在Crit Care Med杂志上的文章研究了复苏策略的差异是否影响与脓毒症的下游临床结果相关的关键生物标志物,以及对于不同基线生物标志物的生存患者而言,治疗组之间是否存在差异。

此项研究选取美国31家医院,招募了628例脓毒性休克患者。进行了大型随机临床试验的二级分析。干预方法为两种复苏方案与常规方案。

研究者们测量了一组代表4种病理生理学的生物标志物:“炎症”(肿瘤坏死因子,白介素-6和白介素-10);“凝血”(D-二聚体,凝血酶-抗凝血酶复合体);“氧化应激”(尿异前列烷)以及“组织缺氧”(乳酸);测量时间为开始治疗后的0、6、24和72小时。

研究者们分析了72小时后替代性复苏策略是否影响生物标志物,以及是否影响90天医院死亡率。
对于所有基线生物标志物,高浓度生物标志物与90天死亡风险的增加相关。然而,不同治疗组对随后的生物标志物变化水平没有显着影响。

研究者们还发现了治疗方案对不同基线的白介素-6和[白介素-6]×[白介素-10]谱的患者的死亡率的治疗效果的异质性的证据。

此项研究结果表明,在脓毒性休克患者中,炎症、凝血、氧化应激和组织缺氧的生物标志物变化是常见的并且与预后不良相关,但是与常规治疗相比不受复苏方案的影响。然而,与预期相反,基于规范方案的复苏似乎在具有较低浓度的炎症生物标志物的患者中效果更优。目前这一效应的机制不清楚。

原始出处:
Kellum JA, Pike F, Yealy DM, Huang DT, Shapiro NI, Angus DC; and the Protocol-based Care for Early Septic Shock Investigators (ProCESS) Investigators. Relationship Between Alternative Resuscitation Strategies, Host Response and Injury Biomarkers, and Outcome in Septic Shock: Analysis of the Protocol-Based Care for Early Septic Shock Study. Crit Care Med. 2017 Jan 10. doi: 10.1097/CCM.0000000000002206.

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    2017-01-19 lizhou0204
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