イタリアで2024年に慢性B型肝炎とデルタウイルスと診断された患者数:国家実世界データベースからの推定

Alessandro Loglio¹, Ivan Gardini², Massimiliano Conforti²

¹Gastroenterology, Hepatology and Transplantation Division, ASST Papa Giovanni XXIII, Bergamo, Italy.

Liver international : official journal of the International Association for the Study of the Liver

|September 4, 2025

まとめ

更新されたデータは,イタリアで推定111,960人の慢性B型肝炎 (CHB) と9,360人の慢性デルタ型肝炎 (CHD) の患者を明らかにしています. この研究は,公衆衛生政策にとって重要な疫学的な洞察を提供します.

科学分野:

ヘパトロジー
感染症
流行病学

背景:

イタリアでは,B型肝炎ウイルス (HBV) とデルタ型肝炎ウイルス (HDV) の感染が著しく増加しています.
現在,慢性B型肝炎 (CHB) と慢性デルタ型肝炎 (CHD) の信頼性の高い最新の流行データはありません.

研究の目的:

リアルなデータを用いて,イタリアにおけるCHBとCHDの現在の流行病学を決定する.
2024年のイタリアの成人集団におけるCHBとCHDの流行を推定する.

主な方法:

CHBとCHDのための21の地域保健当局からの医療費免除データを使用しました.
30の胃腸内科,肝臓病科,感染症科で調査を行い,免除の報告不足を評価した.

主要な成果:

成人集団では推定111, 960例のCHB (0. 22%の罹患率) と9, 360例のCHD (0. 019%の罹患率) であった.
CHBの60.3%とCHDの55.7%だけが特定のヘルスケア免除を受けていることが判明しました.
研究したコホートでは,抗HDVの流行率が7. 7%と報告された.

結論:

この研究は,イタリアの成人のCHBとCHD患者数の堅実な見積もりを提供します.
この発見は,ウイルス性肝炎の管理に関する公衆衛生政策決定の基礎となる.

キーワード:

HBV ウイルス HDV についてイタリア流行病学について流行度

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