深静脈血栓症の臨床評価の正確性について
P S Wells1, J Hirsh, D R Anderson
1Ottawa Civic Hospital, Ontario, Canada.
Lancet (London, England)
|May 27, 1995
まとめ
新しい臨床モデルが,外科医における深静脈栓塞 (DVT) の確率を正確に予測しています. このモデルと静脈超音波を組み合わせることで,診断を簡素化し,深静脈血栓症の疑いに対する不必要な検査を減らすことができます.
科学分野:
- 医療診断 医療診断
- 心血管医学は,心臓血管医学である.
- 臨床流行病学 臨床流行病学とは
背景:
- 深静脈血栓症 (DVT) の臨床診断は,しばしば信頼できないと考えられています.
- DVTの疑いに対する診断戦略の改善が必要である.
研究 の 目的:
- DVTの疑いのある患者を階層化するための臨床モデルを開発し,将来的に試験する.
- このモデルの組み合わせと静脈超音波検査の組み合わせを評価し,診断を簡素化する.
主な方法:
- 臨床モデルが開発され,3つの医療センターでテストされました.
- DVTの疑いのある529人の症状のある外科医が評価されました.
- 患者は臨床評価,静脈超音波検査,静脈静脈検査を受けた.
主要な成果:
- 臨床モデルは,DVTの発生率を85パーセント (高い),33パーセント (中等),および5パーセント (低い) の予検確率で予測した.
- このモデルは,観察者間の信頼性 (カッパ=0.85) を非常に良く示した.
- モデルと超音波を組み合わせることで,特に結果が不一致したとき,診断の精度が向上しました.
結論:
- 開発された臨床モデルは,DVTの疑いのある患者を効果的に層分けしています.
- 静脈超音波検査と臨床モデルを統合することで,簡素化され,より正確な診断経路が提供されます.
- 超音波検査の結果が正常な可能性が低い患者を除外することで,さらなる検査の必要性を減らすことができます.
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