心血管疾患のリスク計算器の間の合意
G Michael Allan1, Faeze Nouri, Christina Korownyk
1Evidence-Based Medicine, Department of Family Medicine, University of Alberta, Room 1706 College Plaza, 8215-112 St NW, Edmonton, Alberta T6G 2C8, Canada. michael.allan@ualberta.ca
Circulation
|April 12, 2013
まとめ
心血管疾患リスク計算器は,リスク評価の有意な変動を示し,患者の分類と治療ガイドラインに影響を与えます. カルキュレーターの選択は,リスクの推定と割り当てられたカテゴリーに大きな影響を与えます.
科学分野:
- 心臓病学 心臓病学
- 医療情報工学 医療情報工学
- 公衆衛生は公衆衛生である.
背景:
- 心血管疾患のリスク計算器は,臨床ガイドラインで広く推奨されています.
- 異なる計算機におけるリスク評価の一貫性に関する研究は限られている.
- カルキュレーターの使用に関するガイドラインの推奨事項は,その比較性能を理解することを必要とします.
研究 の 目的:
- 常用リスク計算器の間で心血管疾患リスク推定の一貫性と変動性を評価する.
- リスク分類と,異なる計算機によって生成された絶対リスクの推定値を,仮説的な患者に対して比較する.
- 臨床的意思決定とガイドラインの遵守に対する計算器の変動性の影響を評価する.
主な方法:
- 系統的な検索により,25の心血管疾患リスク計算器が特定されました.
- 7つの二分型リスク因子に基づいて,128人のユニークな仮説的患者が生成されました.
- 2人の臨床医は,選択された各計算機を使用して,リスクの推定値とカテゴリーを比較して,個々の患者を独立して評価しました.
主要な成果:
- リスクカテゴリ化において有意な変動が観察され,計算機は患者を平均2.2のカテゴリーに分けました.
- カルキュレーターペアの間のリスクカテゴリー合意は67%しかありませんでした.
- 同じ患者の場合,糖尿病の状況に関係なく,最も高いリスクの推定値は,最も低いリスクの平均4.9倍でした.
結論:
- 心血管疾患リスク計算機の選択は,リスク分類と絶対リスクの推定の両方に大きく影響します.
- この変動性は,特定の計算機の出力に基づいて治療法を推奨する臨床ガイドラインに重大な影響を及ぼします.
- 一貫した患者管理を確保するために,計算機の選択に関する標準化または明確なガイドラインが必要です.
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