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Crit Care:危重病人血小板输注与医院获得性感染有关吗?

2017-07-16 MedSci MedSci原创

重症患者通常都有输注血小板的病史,目前已有报告显示输注血小板与感染之间有一定关系。然而,目前还没有大量的研究明确重症患者的血小板输注是否与医院获得性感染有关。

重症患者通常都有输注血小板的病史,目前已有报告显示输注血小板与感染之间有一定关系。然而,目前还没有大量的研究明确重症患者的血小板输注是否与医院获得性感染有关。

我们对澳大利亚的两所大型重症监护室(ICU)进行了一项多中心前瞻性研究。对2008年至2014年之间接受输注血小板的患者及无血小板输注病史的患者进行对比。采用多元Logistic回归和Cox的回归,利用血液成分随时间变化的协变量对血小板输注和感染(菌血症和/或尿路感染)的关系进行分析。以趋势协变量调整对结果进行验证。

共有18965例患者被纳入研究,其中2250(11.9%)在ICU住院过程中输注1个单位血小板(IQR 1-3)。与未输注血小板的患者相比,输注血小板的患者表现出病情更重(平均急性生理学与慢性健康状况评分分别为65(SD 29)和52(SD 25),P<0.01),同时并发症更多(31% vs 19%,P<0.01)。在输注血小板的患者中,进行有创机械通气(87% vs 57%,P<0.01)和肾脏替代治疗(20% vs 4%,P<0.01)的比率也较未输注血小板的患者更大。在单变量分析中,血小板输注与ICU院内感染密切相关(7.7% vs 1.4%,P<0.01)。调整混杂因素显示 ,其他血液成分、病情的严重程度、卫生机构、年龄和诊断范畴与血小板输注和院内感染的发生独立相关(OR 2.56 95% CI 1.98-3.31,P<0.001)。趋向性调节显示血小板输注与感染相关。

经调整混杂因素,患者病情严重程度、其他血液成分、血小板输注都与ICU获得性感染是独立相关的。进一步的研究旨在更清楚的解释此种联系从而必要的预防有关并发症的发生。

原始出处:

Cécile Aubron1,10 Andrew W. Flint,et al. Is platelet transfusion associated with hospital-acquired infections in critically ill patients? Crit Care. 2017; 21: 2.Published online 2017 Jan 6. doi:  10.1186/s13054-016-1593-x.

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    2017-07-16 雅文博武

    学习了许多先进的医学知识

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