再発性イディオパシー静脈血栓栓塞栓症の予防について
1Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA. sgoldhaber@partners.org
Circulation
|December 16, 2004
まとめ
長期の抗凝固薬は,イディオパシー静脈血栓塞栓症 (VTE) の再発を予防するために安全かつ有効です. 抗凝固剤の普遍的な使用は,禁忌がない限りデフォルト戦略であり,将来の研究はリスクの分層化に重点を置くべきである.
科学分野:
- 心臓病学 心臓病学
- 血液学 ヘマトロジ
- 血管医学 血管医学とは
背景:
- Idiopathic venous thromboembolism (VTE) は慢性疾患であり,生涯にわたる再発予防戦略を必要とします.
- イディオパシー性VTEに対する長期抗凝固療法 (≤1年) は,中止後の長期的な利益が限られていることが示されています.
- 以前の試験は,新しい抗凝固剤がVTEの長期的な管理に有効であることを示しています.
研究 の 目的:
- 再発性イディオパシーVTEを予防するための長期抗凝固薬の安全性と有効性を評価する.
- 長期の抗凝固薬が,血栓性状態を有する患者を含むすべての患者サブグループに有益かどうかを判断する.
主な方法:
- PREVENT,ELATE,およびTHRIVE III臨床試験からのデータの分析.
- 孤立した小牛の深静脈血栓症を含むイディオパシーVTEの患者を含む.
- 様々なサブグループ (年齢,性別,遺伝子変異,VTE歴) のアウトカムの評価.
主要な成果:
- 長期の抗凝固薬は,イディオパシー性VTEの管理のための安全で効果的な戦略です.
- 長期抗凝固薬の利点は,血栓性状態に関係なく,すべての患者サブグループに広がっています.
- この戦略は,初めて発生したVTEおよび再発したVTEの両方に対して有効です.
結論:
- 一般抗凝固薬は,異症性VTEのデフォルト戦略であるべきであり,禁忌がない場合を除く.
- 集団ベースの実施は,最小限の治療の個別化でVTEの再発を防ぐことができます.
- 将来の研究は,d-ダイマーレベル,超音波,リスクノモグラムなどのリスク分層化方法に焦点を当てて,再発に最も敏感な患者を特定する必要があります.
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