肝硬変患者の尿中の微生物群の特徴が尿路感染症のリスクと関連している:試験試験
Johannes Woltsche1, Christian Pacher-Deutsch2, Stefan Fürst3
1Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria.
まとめ
肝硬変の患者と健康な尿道微生物群 (UMB) は 異なる微生物パターンを示しています プレボテラのような特定の細菌は,この高リスクグループにおける尿路感染症 (UTI) を予防する可能性があります.
科学分野:
- 微生物学
- 胃腸内科
- 泌尿器科
背景:
- 肝硬変の患者は尿路感染症のリスクが高くなります.
- 肝硬変患者のUTI感受性における尿道微生物群 (UMB) の役割は不明である.
- この試験試験では,尿路感染とない肝硬変患者のUMBを調査しています.
研究 の 目的:
- 肝硬変患者のUMBの特徴
- 尿路感染を発症した患者と,尿路感染のない患者の間でのUMBの違いを特定する.
- UMBにおける特定の微生物の潜在的な保護的役割を探求する.
主な方法:
- 39人の患者の尿サンプルを分析するために16S rRNA遺伝子配列が使用されました.
- 患者はUTIを発症する (dUTI) とUTIのない (no_UTI) グループに分けられました.
- 微生物のプロフィールは,QIIME 2,ANCOM,LEfSeを用いて分析された.
主要な成果:
- dUTI群と no_UTI群の間でUMBベータ多様性の有意な差異が見つかりました.
- no_UTI群では,バクテロイドス,プレボテラ,コリーネバクテリア科が多く見られた.
- dUTIグループは ストレプトコッカスが濃縮された
結論:
- 肝硬変の患者では,明確なUMBパターンが尿路感染症に対する保護を与える可能性があります.
- UMBのプレボテラとコリーネバクテリアは保護的な役割を果たす可能性があります.
- これらの微生物は,この集団における尿路感染症の予防戦略の標的となる可能性があります.
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