肺炎支原体肺炎患儿支气管肺泡灌洗液和血清中肺表面活性蛋白的变化及意义

舒林华,尚云晓,蔡栩栩,张晗,李淼,周倩兰,宗志红,孟晓娜,李想,刘芬

中国当代儿科杂志 ›› 2012, Vol. 14 ›› Issue (12) : 928-932.

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中国当代儿科杂志 ›› 2012, Vol. 14 ›› Issue (12) : 928-932.
论著·临床研究

肺炎支原体肺炎患儿支气管肺泡灌洗液和血清中肺表面活性蛋白的变化及意义

  • 舒林华,尚云晓,蔡栩栩,张晗,李淼,周倩兰,宗志红,孟晓娜,李想,刘芬
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Changes to surfactant proteins in the bronchoalveolar lavage fluid and serum of children with Mycoplasma pneumoniae pneumonia

  • SHU Lin-Hua, SHANG Yun-Xiao, CAI Xu-Xu, ZHANG Han, LI Miao, ZHOU Qian-Lan, ZONG Zhi-Hong, MENG Xiao-Na, LI Xiang, LIU Fen
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摘要

目的:研究肺表面活性蛋白在小儿肺炎支原体肺炎(MPP)血清和支气管肺泡灌洗液(BALF)中的变化及意义。方法:根据肺CT结果将47例MPP患儿分为两组:单侧病变组(n=32)和双侧病变组(n=15)。采用ELISA法检测两组患儿BALF和血清中肺表面活性蛋白A、B、C、D(SP-A、B、C、D)的含量。血清与BALF中SP-A、B、C、D含量的相关性采用Spearman秩相关分析。结果:两组患儿中,主病变侧或病变侧BALF中 SP-A、B、C、D含量显著高于次病变侧或健侧BALF和血清中SP-A、B、C、D含量(P<0.01)。单侧病变组患儿血清中SP-A、B、C含量显著低于健侧BALF中含量(P<0.01 或0.05),而血清中SP-D含量与健侧BALF中SP-D含量差异无统计学意义(P>0.05)。双侧病变组患儿血清中SP-A、B、C、D含量与次病变侧BALF中SP-A、B、C、D含量相比,差异无统计学意义(P>0.05)。Spearman秩相关分析显示,双侧病变组患儿中血清SP-D含量与主病变侧BALF中SP-D含量呈密切正相关(P<0.01)。结论:血清中SP-D可作为反映小儿社区获得性肺炎肺组织感染损伤严重程度的生化指标。

Abstract

OBJECTIVE: To study the changes to surfactant proteins in the serum and bronchoalveolar lavage fluids (BALF) of children with Mycoplasma pneumoniae pneumonia (MPP) and their significance. METHODS: Self-control method was used in the study. Forty-seven MPP children were divided into single lung infected (n=32) and bilateral lung infected groups (n=15) according to lung CT results. Surfactant proteins SP-A, B, C and D were measured using ELISA in the serum and BALF in the two groups. The correlations between SP-A, B, C and D content in the serum and BALF were evaluated by Spearman correlation analysis. RESULTS: SP-A, B, C and D content in BALF from the majorly infected or infected lung were significantly higher than from the opposite lung and serum (P<0.01). SP-A, B and C content in serum was significantly lower than in BALF from the non-infected lung in the single-side infected lung group (P<0.01 or 0.05), but there was no significant difference between serum SP-D content and BALF SP-D content from the non-infected lung. There were no significant differences in SP-A, B, C and D content in serum and BALF from the minorly infected lung in the bilateral lung infected group. Serum SP-D content was positively correlated with BALF SP-D content from the majorly infected lung in the bilateral lung infected group (P<0.01). CONCLUSIONS: Serum SP-D content may serve as a biomarker for evaluating the severity of pulmonary infection in children with community-acquired pneumonia.

关键词

社区获得性肺炎 / 支气管肺泡灌洗液 / 肺表面活性蛋白 / 儿童

Key words

Community-acquired pneumonia / Bronchoalveolar lavage fliud / Pulmonary surfactant protein / Child

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舒林华,尚云晓,蔡栩栩,张晗,李淼,周倩兰,宗志红,孟晓娜,李想,刘芬. 肺炎支原体肺炎患儿支气管肺泡灌洗液和血清中肺表面活性蛋白的变化及意义[J]. 中国当代儿科杂志. 2012, 14(12): 928-932
SHU Lin-Hua, SHANG Yun-Xiao, CAI Xu-Xu, ZHANG Han, LI Miao, ZHOU Qian-Lan, ZONG Zhi-Hong, MENG Xiao-Na, LI Xiang, LIU Fen. Changes to surfactant proteins in the bronchoalveolar lavage fluid and serum of children with Mycoplasma pneumoniae pneumonia[J]. Chinese Journal of Contemporary Pediatrics. 2012, 14(12): 928-932
中图分类号: R725.6   

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