免疫功能测定及免疫干预在呼吸机相关性肺炎患者的临床意义  被引量:11

Clinical significance of immune function and immunomodulation in ventilator-associated pneumonia

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作  者:杨国辉[1] 丁可峰[1] 

机构地区:[1]贵阳医学院附属医院内科ICU,550004

出  处:《中华实验外科杂志》2013年第8期1615-1618,共4页Chinese Journal of Experimental Surgery

基  金:贵阳市科技局基金资助项目[筑科合同合字(20111103)20号]

摘  要:目的探讨免疫功能及免疫调理对呼吸机相关性肺炎(VAP)患者治疗反应及预后的评价。方法对2011年1月至2012年3月入住内科重症监护病房(MICU)且资料完整的40例VAP,按治疗28d转归分为存活组(24例)和死亡组(16例);并进行临床肺部感染评分(CPIS)。于确诊后第1天清晨留取外周静脉血,分别送检T淋巴细胞计数及免疫球蛋白检测。T淋巴细胞(CD3+)、辅助性T淋巴细胞(CD4+)、抑制性T淋巴细胞(CD8+)计数采用流式细胞仪检测、免疫球蛋白IgA、IgM、IgG采用免疫散射比浊法检测。同期选取20名健康人作为健康对照组。对其中30例VAP患者随机分为乌司他丁治疗组15例,对照组15例,于治疗前和治疗第7天留取外周血,分别送检T淋巴细胞计数及免疫球蛋白检测。结果(1)死亡组外周血CD3+、CD4+、CD8+细胞计数、CD4+/CD8+比值[(280.32±169.58)×10^6/L、(212.56±122.99)×10^6/L、(132.73±56.74)×10^6/L、1.48±0.82]和存活组外周血CD3+、CD4+、CD8+细胞计数、CD4+/CD8+比值[(485.05±209.18)×10^6/L、(352.05±116.41)×10^6/L、(245.68±68.69)×10^6/L、2.02±1.06]均低于健康对照组[(1183±639.18)×10^6/L、(631±321.64)×10^6/L、(525±221.67)×10^6/L、2.78±1.04],差异有统计学意义(P〈0.05);死亡组以上指标也明显低于存活组,差异有统计学意义(P〈0.05);(2)死亡组患者血清免疫球蛋白IgG[(10.76±4.52)g/L]明显低于存活组[(13.65±6.34)g/L]及健康对照组[(14.39±7.47)g/L],差异有统计学意义(P〈0.05);(3)30例VAP患者给予免疫干预后,治疗组外周血CD3+、CD4+细胞计数[(676.26±220.78)×10^6/L、(358.87±133.53)×10^6/L]明显高于治疗前水平[(429.28±130.46)×10^6/L、(216.85±106.32)×10^6/Objective To investigate the role of immune function and immunomodulation therapy and To evaluate the effect of immunomodulation therapy and prognosis in ventilator-associated pneumonia. Methods Choose ventilator-associated pneumonia (VAP) patients (complete cases) 40 cases from Jan- nural 2011 to March 2012 in intensive care unit (ICU) of Guiyang Medical University patients treated, and divided them into 2 groups according to the vesting:the survival group (24 cases)and the death group( 16 cases). To evaluate the scores of clinical pulmonary infection score (CPIS) and immune function ; Choose VAP patients (complete cases) 30 cases and randomly divided into ulinastatin treatment group (15 cases) and control group ( 15 cases), at onset of VAP and at 7days after onset to detect cytoactive of T-Lymphocyte Subsets with flow cytometry, and to detect, the serum level of IgA, IgM, IgG with immunol nephelometer. Choose 20 health people as heathy group. Results To compare p death group and survival group with heathy group, death of peripheral blood T lymphocytes CD3 + , CD4 + , CD8+ cell count, CD4 ±/CD8 + [ (280. 32 ± 169.58) × 10^6/L, (212. 56± 122. 99) ×10^6/L, ( 132. 73,± 56.74) × 10^6/L, 1.48 ± 0. 82 ] and the survival group [ (485.05 ±209. 18)× 10^6/L, (352. 05 ± 116. 41 ) ×10^6/L, (245.68 ±68.69) ×10^6/L,2. 78 ± 1.04 ] was significantly lower than heathy group [ (1183 ± 639.18 ) × 10^6/L, (631 ± 321.64) ×10^6/L, ( 525 ± 221.67 ) ×10^6/L ,2. 78 ± 1.04 ] , there was a significant difference ( P 〈 0.05 ). Death group of peripheral blood IgG [ ( 10. 76 ±4. 52) g/L] was significantly lower than the survival group [ (13.65 ± 6. 34 ) g/L] and heathy group [ (14. 39 ± 7, 47 ) g/L ], there was a significant difference (P 〈 0. 05 ). Before treatment, there was no difference in all biomarkers between two group, after immunomodula- tion therapy, the therary group peripheral blood T lymphocytes CD

关 键 词:呼吸机相关性肺炎 T淋巴细胞亚群 免疫球蛋白 肺部感染 

分 类 号:R563.1[医药卫生—呼吸系统]

 

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