若者の突然死. 若者の突然死. 急性冠動脈動脈栓塞は主な原因要因ですか?
Circulation
|November 1, 1994
まとめ
若い成人の突然死は,しばしば冠動脈疾患と関連しています. 血栓形成なしの左前下流動脈の繊維状のプラークは,研究されたほとんどの症例の主要な原因でした.
科学分野:
- 心血管病理学 心血管病理学
- 法医学病理学 法医学病理学 法医学病理学
- 心臓病学 心臓病学
背景:
- 成人の突然死は,典型的には,動脈硬化性冠動脈疾患による血栓形成によるものです.
- この研究は,35歳以下の人間の突然死における冠動脈の特定の病理性を調査しています.
研究 の 目的:
- 突然死を経験する若者 (<または = 35歳) の冠動脈の病理学的特徴を決定する.
- この集団における突然の心臓発作における動脈硬化性プラークと血栓の役割を特定する.
主な方法:
- 37人の若い突然死犠牲者の冠動脈プラークのヒストロロジカル,免疫ヒストロケミカル,電子顕微鏡分析.
- ルメンの狭窄,脂質核,および内臓増殖の形態測定計算.
- プラークのタイプ (繊維型対アテロマトス型) と結血病および臨床表現の相関.
主要な成果:
- 阻害性冠動脈動脈硬化症は,他の心臓病理学的症状のない37人の若い個体 (18〜35歳) で発見されました.
- 急性血栓症は37例のうち10例 (27%) にのみ存在していた.
- 繊維状のプラークは,多くの場合,左前下流動脈で,より一般的 (31/45) であり,アテロマトスのプラーク (14/45,64%の血栓性) よりも血栓性 (3%) になる可能性が低い.
- 繊維状のプラークは,保存されたツニカメディアとネオインティマルの滑らかな筋肉細胞増殖を示した.
結論:
- 冠動脈動脈硬化症の若い突然死者の場合,急性血栓症は27%の症例のみで死亡を引き起こします.
- これらの症例の大部分は,左前下流動脈の単血管疾患を伴うもので,ネオインティマルの高血症と急性血栓形成のない繊維状のプラークによって特徴付けられています.
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