疑われる肺栓塞の管理の有効性は,臨床確率,D-ダイマー検査,コンピュータトモグラフィーを組み合わせたアルゴリズムを用いて管理されています
Arne van Belle1, Harry R Büller, Menno V Huisman
1Department of Pulmonary Medicine, Academic Hospital, Maastricht, The Netherlands.
JAMA
|January 13, 2006
まとめ
臨床的決定ルールとD-ダイマー検査を用いた簡素化されたアルゴリズムは,肺栓塞 (PE) を効果的に診断します. このアプローチは,コンピュータトモグラフィー (CT) スキャンの必要性を安全に削減し,静脈血栓塞栓症 (VTE) のリスクを低減します.
科学分野:
- 心臓病学 心臓病学
- 肺病理学 肺病理学とは
- 診断用イメージング
背景:
- 以前の研究では,肺栓塞 (PE) の複雑な診断戦略を調査した.
- よりシンプルで効果的な診断経路の評価は,患者管理において極めて重要です.
研究 の 目的:
- 肺栓塞 (PE) の疑いに対する簡素化された診断アルゴリズムの臨床的効果を評価する.
- アルゴリズムは二分型臨床決定ルール,D-ダイマー検査,コンピュータトモグラフィ (CT) を統合しています.
主な方法:
- オランダの12のセンターで急性肺栓塞 (PE) の疑いのある患者3306人を対象とした前向きなコホート研究.
- 患者は,二分化されたウェルズ法則を用いて分類された:"PEが起こりそうにない"または"PEが起こりうる".
- 可能性が低い症例はD-ダイマー検査を受け,正常な結果はPEを除外した. 他の患者は,決定的な診断のためにCTスキャンを受けた. フォローアップは3ヶ月間,症状的または致命的な静脈血栓塞栓症 (VTE) を監視するために行われました.
主要な成果:
- 肺栓塞 (PE) は,患者の66.7%では起こりそうではなかった. このグループにおける正常なD-ダイマー検査 (合計の32.0%) は抗凝固作用をもたらせず,非致命的なVTEの発生率は0.5%であった.
- コンピュータトモグラフィー (CT) は,患者の20.4%でPEを確認しました. 陰性CT (合計の45.3%) と抗凝固薬のない患者では,3ヶ月のVTE発生率は1.3%でした.
- アルゴリズムは97.9%のケースで管理決定を容易にし,致死性または非致死性VTEの全体的なリスクは低い.
結論:
- 簡素化された臨床決定ルール,D-ダイマー検査,CTを組み合わせた診断戦略は,肺栓塞 (PE) の疑いを管理するのに有効です.
- このアプローチは,その後の致死性および非致死性静脈血栓塞栓症 (VTE) の低リスクと関連しています.
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