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在IBS和Blastocystis sp.中,Dientamoeba fragilis的主导地位. 在性结肠炎中
Melis Cengiz1, Yunus Emre Beyhan2, Yusuf Kayar3
1Department of Parasitology, Faculty of Medicine, Van Yüzüncü Yıl University.
包括Dientamoeba fragilis和Blastocystis sp.在内的肠道寄生虫在患有刺激性肠综合征 (IBS),性结肠炎 (UC) 和克罗恩病 (CD) 的患者中很常见. 与传统显微镜相比,像qPCR这样的分子方法提供了更高的检测能力,用于准确诊断.
科学领域:
- 胃肠病学 胃肠病学
- 传染性疾病 传染性疾病
- 诊断微生物学 诊断微生物学
背景情况:
- 肠道疾病如IBS,UC和CD显著影响患者的生活质量.
- 寄生虫感染可以加剧或模仿这些胃肠道疾病的症状.
- 准确诊断肠道寄生虫对于有效管理至关重要.
研究的目的:
- 确定IBS,UC和CD患者中Dientamoeba fragilis和其他肠道寄生虫的流行率.
- 为了比较传统 (显微镜,三色染色) 与分子 (qPCR) 方法的诊断性能.
- 在不同的炎症性和功能性肠道疾病中确定特定的寄生虫流行模式.
主要方法:
- 分析了80个便样本 (60个来自IBS,UC或CD患者,20个来自健康对照).
- 利用直接显微镜,度技术,三色染色 (TS) 和实时聚合酶链反应 (qPCR) 来检测寄生虫.
- qPCR是专门用于鉴定Dientamoeba fragilis的.
主要成果:
- 总体寄生虫检测率在患者中为60%,对照组为15%.
- 在IBS (22.0%) 和UC (18.8%) 患者中,Dientamoeba fragilis的流行率高.
- 胚胎囊 sp. 的情况. 在UC患者中患病率最高 (37.5%).
- 与显微镜和TS相比,qPCR对D. fragilis检测的敏感性显著更高.
结论:
- 在IBS患者中,Dientamoeba fragilis是主要的寄生虫,而Blastocystis sp.则是主要的寄生虫. 在UC患者中更常见.
- 传统的诊断方法对于检测某些寄生虫的敏感性有局限性.
- 分子诊断技术,特别是qPCR,对于胃肠道疾病的准确和敏感的寄生虫学诊断至关重要.
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