Crit Care:COVID-19患者血清尿酸、疾病严重程度与结局的关系

2021-06-15 MedSci原创 MedSci原创

在需要住院治疗的COVID-19患者中,低血清尿酸水平很常见并且与疾病严重程度并进展为需要有创机械通气的呼吸衰竭相关。

2019新冠肺炎 (COVID-19)的严重程度因人而异,从无症状感染到需要机械通气的急性呼吸窘迫综合征危重疾病。这种可变性突出了对与疾病结局相关的新型生物标志物的需求。

由于SARS-CoV-2感染导致肾近端小管功能障碍并伴有尿酸丢失,近日,危重病医学领域权威杂志Critical Care上发表了一篇研究文章,研究人员假设血清低尿酸水平(低尿酸血症)可能与COVID-19的严重程度和结局相关。

研究人员使用两个独立队列进行了回顾性研究,调查并验证了比利时布鲁塞尔一家大型教学医院因COVID-19住院的患者低尿酸血症的患病率、动力学和临床相关性。研究人员使用Cox回归和竞争风险方法评估了机械通气和/或死亡的时间。研究人员采用共聚焦显微镜评估了死于COVID-19的患者肾近端小管细胞中尿酸盐转运蛋白(URAT1)的表达水平。

发现和验证队列分别纳入了192名和325名因COVID-19住院的患者。在517名患者中,274 名 (53%) 患有严重的COVID-19,92名(18%)为危重病例。在这两个队列中,低尿酸血症的患病率从入院时的6%增加到COVID-19住院的第一天内的20%,而在COVID-19住院前非常罕见(<1%)。在中位数为148天 (50-168)的随访期间,61名(12%)患者需要机械通气,93名(18%)患者死亡。在单独考虑和汇总分析的两个队列中,在Cox分析(调整后的风险比为5.3, 95%CI为3.6-7.8,P<0.001)或竞争风险模型中(调整后的风险比为20.8,95%CI为10.4-41.4,P<0.001)低血清尿酸水平与疾病严重程度(线性趋势,P<0.001)以及进展至死亡和需要机械通气的呼吸衰竭密切相关。在结构水平上,来自COVID-19患者的肾脏检查发现近端小管刷状缘中尿酸转运蛋白URAT1表达显著降低。

由此可见,在需要住院治疗的COVID-19患者中,低血清尿酸水平很常见并且与疾病严重程度并进展为需要有创机械通气的呼吸衰竭相关

原始出处:

Inès Dufour.et al.Serum uric acid, disease severity and outcomes in COVID-19.Critical Care.2021.https://ccforum.biomedcentral.com/articles/10.1186/s13054-021-03616-3

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    2021-06-15 ms8000001764639480

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    2021-06-15 言西早

    学习,非常不错

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