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心臓弁の義肢を持つ患者の非心臓の手術のための抗凝固薬. 低リスクは高コストを意味するのでしょうか?
M H Eckman1, J R Beshansky, I Durand-Zaleski
1Department of Medicine, New England Medical Center, Boston, MA 02111.
JAMA
|March 16, 1990
まとめ
非心臓外科手術を受ける義肢心弁患者のヘパリン治療のための長期入院は,しばしば費用対効果が高くありません. 珍しい血栓塞栓症の予防にかかる高いコストは,高リスクの弁を除いて,利益を上回ります.
科学分野:
- 心血管外科手術についてです.
- 健康経済学 医療経済学
- 薬学経済学 薬学経済学
背景:
- 心臓弁の義肢を持つ患者は,心臓外科手術の際に抗凝固剤の管理を必要とします.
- 静脈内ヘパリンは,経口抗凝固剤の投与が中断されたときに,血栓栓塞栓を予防するためにしばしば使用されます.
- この慣行は,長期の入院と大きな費用につながる可能性があります.
研究 の 目的:
- 非心臓外科手術を受ける心臓弁の義肢を持つ患者の静脈内ヘパリン治療のための長期入院の費用対効果を評価する.
- 獲得した品質調整生命年 (QALY),回避された血栓塞栓性イベント,および回避された死亡に対する限界コストを決定する.
- 現在の抗凝固ブリッジング戦略の経済的影響を評価する.
主な方法:
- 費用対効果の分析が行われました.
- 獲得したQALYごとに計算された限界コスト.
- 予防された血栓塞栓性イベントにつき計算された限界コスト.
- 避けた死亡あたりの計算済みの限界コスト.
主要な成果:
- ヘパリン投与のために入院を延長する際の限界コストは,ほとんどの人工心臓弁の場合は過度に高くなります.
- 費用対効果は,現代の治療法と比較して不利です.
- 最も血栓形成性の高い義手心弁を持つ患者には例外があります.
結論:
- 心臓外科手術以外の心臓弁義肢手術を受ける患者のヘパリンブリッジングのために,通常の長期間の入院は,一般的に費用対効果が高くありません.
- 臨床的決定には,弁血栓性および個々の患者のリスクを考慮する必要があります.
- 費用対効果データを実践に統合する際の倫理的および法的配慮については,議論が必要である.
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