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间歇性高容量血液滤过对严重脓毒症患者Toll样受体4的影响 被引量:2

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摘要 目的探讨间歇性高容量血液滤过(PHVHF)对严重脓毒症患者外周血单核细胞(PBMC)表面Toll样受体4(TLR4)mRNA表达及血浆中肿瘤坏死因子-α(TNF-α)和白介素-10(IL-10)水平的影响。方法40例严重脓毒症患者应用随机数字表法分成常规治疗组和PHVHF组,20例/组,另选15名健康志愿者为正常对照组。在治疗前、治疗24、48和72h,检测PBMC表面TLR4mRNA表达及血浆中TNF-α和IL-10的水平。结果严重脓毒症患者TLR4mRNA表达及TNF-α、IL-10的水平,均明显高于正常对照组(P〈0.05)。72h治疗后,PHVHF组血浆TNF-α、IL-10水平较治疗前明显下降,分别从(492.2±100.8)ng/L、(253.3±47.7)ng/L下降至(303.6±49.2)ng/L、(84.2±18.8)ng/L(P〈0.05),PBMc表面TLR4mR-NA表达从1.47±0.10下降至1.28±0.21(P〈0.01),且与同期常规治疗组比较显著降低,差异均有统计学意义(P〈0.01),常规治疗组上述指标也呈下降趋势,但治疗前后比较差异无统计学意义(P〉0.05)。结论PHVHF可抑制严重脓毒症过度的炎症反应,下调PBMC表面TLR4表达可能是其作用机制。
出处 《中国医师杂志》 CAS 2013年第1期58-60,共3页 Journal of Chinese Physician
基金 浙江省医药卫生科学研究基金资助(20098171)
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