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米国の統合医療サービスネットワークにおける,合併症のない尿路感染症の女性患者の医療資源の利用と費用に対する経験的治療失敗の影響
Jeffrey J Ellis1, Anushree Iyengar2, Hari Bandi2
1GSK, Collegeville, PA.
Journal of managed care & specialty pharmacy
|August 30, 2025
まとめ
合併症のない尿路感染症 (UTI) の治療失敗は,医療費と資源の使用を大幅に増加させます. これは最初の感染からずっと後の患者に影響を与え,効果的な最初の抗生物質戦略の必要性を強調しています.
科学分野:
- 健康経済と成果研究
- 感染症
- 泌尿器科
背景:
- 合併症のない尿路感染症 (UTI) は,米国で一般的な外来感染です.
- 抗生物質治療の失敗 (TF) が経験的に治療されたUTI患者における医療資源利用 (HCRU) と費用への影響に関するデータは限られている.
研究 の 目的:
- 最初の口服抗生物質治療が失敗した (TFコホート) または失敗しなかった (TFコホート) 女性患者に対する全原因の医療費の総額を記述する.
- すべての原因とUTIに関連するHCRUとTFと非TFコホート間のコストを比較する.
主な方法:
- 12歳以上のUTIの診断と経験的な抗生物質の処方による女性患者からの電子医療記録 (EHR) のデータを遡及的に分析した.
- 治療失敗 (TF) は,後の抗生物質の処方,IV投与,または28日以内にUTIのために入院/ED訪問によって定義されます.
- 12ヶ月後のHCRUとコストは,比較のために傾向スコアマッチング (1:1) を使用して分析されました.
主要な成果:
- 28, 460人の患者の15. 2%が経験的な抗生物質TFを経験しました.
- TFコホートは,インデックスエピソード中に,全原因費用 ($1,369 vs $482) と尿道感染症関連費用 ($392 vs $78) を有意に高めた.
- TF患者は入院率 (3. 1% 対 0. 5%) とED訪問率 (19. 1% 対 7. 6%) が高く,12ヶ月のフォローアップ期間中にコストが上昇した.
結論:
- 女性UTI患者における実験的な抗生物質TFは,HCRUと医療費を大幅に増加させる.
- これらの増加したコストと資源利用は,最初の処理エピソードを超えて持続し,処理失敗の長期的な経済的負担を強調します.
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