缺血性脳卒中患者の無症状冠動脈疾患の流行:PRECORIS研究
David Calvet1, Emmanuel Touzé, Olivier Varenne
1Department of Neurology, Centre HospitalierSainte-Anne, Paris Descartes University, Centre de Psychiatrie et Neurosciences INSERM UMR 894, Paris, France.
Circulation
|March 31, 2010
まとめ
発血性脳卒中または一時的な発血性脳卒中を経験した患者の約5分の1は,症状のない冠動脈疾患 (CAD) を有意に患っています. この罹患率は,血管の危険因子と動脈狭窄に関連しており,包括的な心血管評価の必要性を強調しています.
科学分野:
- 心臓病学 心臓病学
- 神経学 神経学とは
- 血管医学 血管医学とは
背景:
- 冠動脈疾患 (CAD) は,不全性脳卒中の患者の死亡と障害の主な原因です.
- 脳卒中患者の無症状CADの罹患率は十分に確立されていませんが,予防戦略に影響を与える可能性があります.
- 症状のないCADを特定することは,脳卒中患者を効果的に管理するために非常に重要です.
研究 の 目的:
- 異動性脳卒中または一時的な異動性脳卒中 (TIA) を患った患者の有意な無症状冠動脈疾患 (CAD) の罹患率を決定する.
- 症状のないCADと伝統的な血管の危険因子との関連を調査する.
- 症状のないCADと頸髄動脈硬化症の関係を探求する.
主な方法:
- 以前のCAD歴のない300人の45〜75歳の非障害性,非心血管栓塞性不全性脳卒中またはTIAを有する患者を対象とした研究.
- CADの重症度 (>or=50%の狭窄) を評価するために,64セクションのコンピュータトモグラフィー冠動脈動脈造影を使用しました.
- 詳細な頸頭動脈検査を行い,フレーミングハムリスクスコアを含む血管の危険因子を評価しました.
主要な成果:
- 有意な無症状CAD (>または=50%の狭窄症) の罹患率は,研究対象の患者で18%であった.
- 無症状のCADは,独立して,より高い血管リスクスコア,過剰なアルコール摂取,および<0.9.9の足首-腕指数と関連していました.
- 無症状のCADと,有意な頭頸動脈狭窄症の存在との間に強い相関が認められた.
結論:
- 缺血性脳卒中またはTIAの患者のほぼ5分の1は,症状のない重大な冠動脈疾患を示しています.
- 頭頸動脈狭窄は,従来の血管リスク因子とともに,無症状のCADの有意な予測因子です.
- これらの発見は,心臓発作患者の冠動脈動脈硬化症の評価の重要性を強調しています,心臓症状がない場合でもです.
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