地域流行病学的データは,イタリアにおけるClostridioides difficile感染に対する注意を高めることを求めています
Fabrizio Stracci1, Camilla Gobbetti1, Gaia Baccarini1
1Department of Medicine and Surgery, Public Health section, University of Perugia, Perugia, Italy.
Journal of infection and public health
|August 22, 2025
まとめ
病院で発症した症例の死亡率が高く,イタリアではクロストリディオイドス・ディフィシル感染 (CDI) の発生率が上昇しています. 特に脆弱な集団に対する緊急の監視と予防措置が必要である.
科学分野:
- 感染症
- 流行病学について
- 公衆衛生
背景:
- クロストリディオイドス・ディフィシル感染 (CDI) は,発生率が高まる世界的な健康問題です.
- イタリアにおけるCDI,特に地域感染に関する疫学的なデータは限られている.
- この研究は,イタリアのアンブリアにおける人口ベースの発生データへのニーズに対応しています.
研究 の 目的:
- 2014年から2022年の間,イタリアのウンブリア州におけるCDIの発生率を決定する.
- CDIの発生率,再発率,および30日間の全原因死亡率の動向を分析する.
- CDI患者における30日間の死亡率に関連する危険因子を特定する.
主な方法:
- CDI症例の特定のために,地域公立病院や地方保健局からの検査データを活用した.
- 培養とXpert C. difficileバイナリ毒素検査を用いたC. difficile菌株と毒素遺伝子の確認
- 病例を病院発症 (HA-CDI) とコミュニティ発症 (CA-CDI) に分類し,発生率を計算し,死亡傾向をロジスティック回帰で分析した.
主要な成果:
- 2014年から2022年までの10万人あたりの総発生率は48.1件から88件に増加した.
- すべての原因による30日間の死亡リスクは17. 6%で,HA-CDI,高齢者および男性患者ではより高いリスクが観察されました.
- 30日間の死亡率は安定しており 再発率は11%でした
結論:
- すべての環境でCDIの発生率が増加しているため,強力な監視システムを確立する必要があります.
- 高いCDI発生率と死亡率は,強化された予防戦略の必要性を強調しています.
- 病院や高齢者介護施設では 標的を絞った介入が 脆弱な患者集団を保護するために不可欠です
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