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首页> 外文期刊>Cytokine >Diagnostic coronary angiography is related to decreased TNF-alpha production after ex-vivo whole blood stimulation with LPS.
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Diagnostic coronary angiography is related to decreased TNF-alpha production after ex-vivo whole blood stimulation with LPS.

机译:诊断冠状动脉造影与LPS全体内血液刺激后的TNF-α产生降低有关。

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Background: Several studies showed serum markers elevation as a result to coronary angiography. We investigated the effect of diagnostic coronary angiography (DCA) on the development of systemic inflammatory response syndrome (SIRS) and on whole blood cytokine production capacity after ex-vivo LPS stimulation. Methods: In this observational study, clinical characteristics and serum cytokines of the patients were recorded at baseline and at 2, 6, 12, and 24h after DCA. Peripheral blood was collected at baseline and at 2, and 24h for complete blood count, coagulation profile and ex-vivo (100 microl) stimulation with LPS (500 pg) for subsequent cytokine measurement. Values are expressed as median+/-IQR and were compared using Wilcoxon's signed rank test with Bonferroni adjustment. Results: We included 23 male patients (mean age 52.0+/-18.0 years) undergoing DCA. None of the patients developed clinical or laboratory signs of SIRS. Serum IL-6 significantly increased at 12h. There was a significant decrease in TNF-alpha production after ex-vivo LPS stimulation of whole blood at 2 and 24h compared to baseline (median+/-IQR; 716.0+/-319.0; 576.0+/-715.0 vs. 1154+/-844.0 pg/ml; respectively) suggesting that DCA may cause transient endotoxin tolerance. Conclusions: DCA is related to increased serum IL-6 levels but does not cause clinical SIRS. Development of SIRS after DCA is indicative of other in origin complication. DCA is associated with immune cells hyporesponsiveness, possibly through monocyte depression, expressed as decreased TNF-alpha production after whole blood stimulation with LPS ex vivo.
机译:背景:几项研究表明血清标记为冠状动脉造影的升高。我们调查了诊断冠状动脉造影(DCA)对全身炎症反应综合征(SIRS)的发展的影响,并在前体内LPS刺激后的全血细胞因子生产能力。方法:在这种观察性研究中,患者的临床特征和血清细胞因子在DCA后的基线和2,6,12和24小时内记录。在基线和24小时内收集外周血,并用LPS(500pg)进行完全血液计数,凝固曲线和前体内(100 microol)刺激,以进行后续细胞因子测量。值表示为中位数+/- IQR,并使用Wilcoxon的签名等级测试进行比较,并使用Bonferroni调整进行比较。结果:我们包括23名男性患者(平均年龄52.0 +/- 18.0岁)正在进行DCA。患者均没有出现SIRS的临床或实验室迹象。血清IL-6在12小时内显着增加。与基线相比,在2和24h的全血刺激后,TNF-α产生的显着降低(中位+/- IQR; 716.0 +/- 319.0; 576.0 +/- 715.0与1154 +/- 844.0 pg / ml;分别表示DCA可能导致瞬时内毒素耐受性。结论:DCA与血清IL-6水平增加有关,但不会引起临床先生。 DCA后SIRS的开发表明在原产地并发症中的其他。 DCA与免疫细胞低反向性有关,可能通过单核细胞抑制,表达在用LPS离体血液刺激后的TNF-α产生降低。

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