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目的
探讨脓毒症患者血清生长激素、胰岛素样生长因子-1(insulin-like growth factor-1,IGF-1)水平与免疫功能的关系。
方法选择资料完整的42例脓毒症患者,检测其血清生长激素、IGF-1及其外周血中T淋巴细胞亚群、体液免疫五项。采用多因素重复测量方差分析比较脓毒症与对照组的各项指标,偏相关分析研究生长激素、IGF-1与免疫功能的关系。
结果脓毒症患者血清生长激素明显高于对照组(P=0.013 7,0.012 3,0.011 5),IGF-1明显低于对照组(P=0.014 4,0.013 5,0.013 2);同时脓毒症组患者外周血中CD3﹢(P=0.009 5,0.008 9,0.009 2)、CD4﹢(P=0.016 3,0.013,0.015 8)、CD8﹢(P=0.010 1,0.019 3,0.015 5)、NK(P=0.023 4,0.029 3,0.025 5)及CD19﹢细胞(P=0.011 3,0.010 2,0.010 0)、IgA(P=0.019 3,0.017 8,0.015 7)、IgG(P=0.004 7,0.006 9,0.005 9)、补体C3(P=0.039 3,0.037 8,0.045 6)明显低于对照组。患者IGF-1和CD3﹢、CD4﹢、CD8﹢、CD19﹢、NK细胞及IgA、IgG、补体C3(P=0.013,0.036,0.015,0.008,0.002,0.005,0.009,0.001)呈正相关。
结论脓毒症患者血清生长激素、IGF-1、细胞免疫、体液免疫水平均有异常,其中IGF-1与免疫功能具有相关性,将影响脓毒症患者的预后。