Lancet :关于细菌性败血症儿童患者的研究

2017-07-21 MedSci MedSci原创

脓毒症是全球儿童死亡率的主要原因。近日,在医学权威杂志LANCET上面发表了一篇研究文章,研究人员评估了经血液培养证实的细菌性败血症的瑞士儿童患者的发病率和结局。

脓毒症是全球儿童死亡率的主要原因。近日,在医学权威杂志Lancet上面发表了一篇研究文章,研究人员评估了经血液培养证实的细菌性败血症的瑞士儿童患者的发病率和结局。

方法:
研究人员在瑞士的十家儿科医院开展了一项多中心、前瞻性的队列研究。研究人员将血液培养证实的细菌性败血症的新生儿和17岁以下的儿童纳入了这项研究。根据2005年的儿科共识定义——如果儿童符合全身炎症反应综合征,那么他们也符合血液培养取样的条件。此研究中,发病率是通过将瑞士2012 - 2015年的败血症的年发作数量除以年末儿科住院人口得出的。主要的结果是败血症发作后的前30天内住院死亡率。

结果:
从2011年9月1日到2015年12月31日,研究人员共纳入了1096名儿童作为研究对象。1181例经血液培养证实的细菌性败血症患者发作数分别为:382例先前健康的儿童(32%)中有379例,402例新生儿(34%)中有391例,397例伴发并发症的儿童(34%)中有341例。儿童的发病率为25.1例/10万例(95% CI:23.8-26.4),新生儿的发病率为146.0例/10万例(133.2-159.6)。中心导管相关血流感染和原发性血液感染占569/1181例(48%),器官功能障碍占455/1181例(39%)。大肠杆菌(242/1181例[20%])、金黄色葡萄球菌(177/1181例[15%])、凝血-阴性葡萄球菌(135/1181例[11%]]和肺炎链球菌(118/1181例[10%])是这项研究中最常见的病原体,占总发作率的57%。总病死率为7%(82/1181例;95%可信区间:5.6-8.6)。与先前健康的儿童(3%,10/382例;1.3-4.9)相比,新生儿的病死率(11%,45/402例;8.4-14.8;调整优势比[OR]:4.41,95%可信区间:1.75- 11.1)和儿童并发症(7%,27/397例;4.6-9.9;OR:4.97,1.84-13.4)更高。无器官功能障碍的儿童的病死率为1%(5/726例,95% CI :0.3-1.7),当出现器官功能障碍时,病死率增加到17%(77/455例,13.7-20.8),调整OR为4.84,95% CI :1.40-16.7。

结论:
经血液培养证实的细菌性败血症对儿童健康的影响仍然相当大。研究人员记录了主要的机体、严重程度以及新生儿、以前健康的儿童和患有并发症的儿童之间的主要差异。尽管在大多数的经血液培养证实的细菌性败血症中没有出现器官功能障碍,但器官功能障碍与死亡率密切相关。

原始出处
Philipp K A Agyeman,Luregn J Schlapbach,Eric Giannoni,et al. Epidemiology of blood culture-proven bacterial sepsis in children in Switzerland: a population-based cohort study. LANCET. 2017 July.

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    2018-06-22 howi
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    2017-07-21 1e0e5a1fm42(暂无匿称)

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