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腹腔镜胆囊切除术后患者外周血T细胞比例及功能变化 被引量:13

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摘要 目的探讨胆结石采用腹腔镜胆囊切除术(LC)进行治疗对患者全身免疫功能的影响。方法选取50例胆结石患者,随机分为LC组和开腹腹腔镜胆囊切除术(OC)组各25例。分别于手术前和手术后24 h收集患者外周血,采用密度梯度离心法分离获取外周血单个核细胞(PBMC)。采用流式细胞术检测PBMC中CD4 T淋巴细胞比例、CD8 T淋巴细胞比例,并计算CD4 T/CD8 T淋巴细胞比例比值。采用胞内染色方法分析外周血干扰素(IFN)-γ^+CD4 T细胞比例和穿孔素阳性CD8 T细胞比例。结果与手术前外周血CD4 T细胞比例相比,手术后24 h LC组患者外周血CD4 T细胞比例未出现显著变化(P>0.05);而OC组患者术后24 h外周血CD4 T细胞比例与术前相比显著降低(P<0.05)。两组患者术后24 h外周血CD8 T细胞比例与术前相比均未出现显著变化(P>0.05)。LC组患者外周血CD4/CD8 T细胞比例比值未出现显著变化;OC组患者外周血CD4/CD8 T细胞比例比值显著降低(P<0.05)。与手术前外周血IFN-γ^+CD4 T细胞比例相比,手术后24 h LC组患者外周血IFN-γ^+CD4 T细胞比例和穿孔素阳性CD8 T细胞比例均未出现显著变化(P>0.05);而OC组患者术后24 h外周血IFN-γ^+CD4 T细胞比例较术前显著降低(P<0.05),术后24 h外周血穿孔素阳性CD8 T细胞比例较术前显著升高(P<0.05)。结论 LC治疗对患者全身免疫功能的影响要轻于OC,可在临床广泛推广使用。
作者 张仕林
出处 《中国老年学杂志》 CAS CSCD 北大核心 2016年第2期399-400,共2页 Chinese Journal of Gerontology
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