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自动化一站式呼吸道病原核酸检测平台在县域医院本地化应用的探索

江文 洪*, 周 华, 徐 林燕, 张 玲, 林 雪梅, 王 伟华

摘要

目的 探讨自动化呼吸道病原核酸检测平台(iChip-400)在县域医院对社区获得性肺炎(CAP)病原学诊断的应
用价值。方法 选取 2023 年 7 月至 2024 年 1 月临床诊断为 CAP 的住院患者 72 例,采集肺泡灌洗液(44 例)和痰液(28 例)
标本。所有标本采用 iChip-400 检测,BALF 标本同时行靶向测序(tNGS)检测,并行常规涂片和培养。以临床综合诊断
为 " 金标准 ",比较各方法的病原体检出率、检测效能及检测时间。结果 iChip-400 检测时间显著短于 tNGS 和培养,在两
类样本中均表现出较好的诊断优势。对肺炎支原体和肺炎链球菌具有高灵敏度和阳性预测值。结论 iChip-400 平台快速、
自动化、操作简便,对常见 CAP 病原体检测灵敏度高,适用于县域医院,有助于实现早期病原诊断和抗菌药物合理应用。

关键词

自动化核酸检测;病原体;iChip-400 检测平台;社区获得性肺炎;县域医院

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