骨頭外血栓性活動のある頸動脈板が,不全性脳卒中の危険因子である.
Luigi Giusto Spagnoli1, Alessandro Mauriello, Giuseppe Sangiorgi
1Anatomic Pathology, Department of Cardiovascular Diseases, University of Rome Tor Vergata, Rome, Italy. spagnoli@uniroma2.it
JAMA
|October 21, 2004
まとめ
炎症とともに,動脈板の破裂と血栓形成は,不全性脳卒中の主要な要因です. これらの発見は,脳卒中の病原性における狭窄症を超えたプラーク特性の重要性を強調しています.
科学分野:
- 神経学 神経学とは
- 心血管科学 心血管科学
- 病理学 パトロジー
背景:
- 発血性脳卒中の病原性には,頸動脈狭窄の重度を超えた要因が含まれています.
- 頸動脈斑の組成と合併症が重要な役割を果たしています.
研究 の 目的:
- 動脈性脳卒中における頸動脈板の破裂と血栓形成の役割を調査する.
- これらの要因を分析するために,心臓栓塞またはウィリス狭窄症の重度のサークルを除いて,大動脈末関節切除術を受けた患者の場合.
主な方法:
- 機関間 Carotid Tissue Bank から 269 の 頸動脈 プラーク の ヒストロジカル 分析.
- プラークは,重度の脳卒中,一時的な性発作 (TIA),および無症状の患者から採取されました.
主要な成果:
- 高度な炎症を有する血栓性頸動脈プラークは,脳卒中患者の74%で,TIAの35.2%と無症状の14.6%と比較された.
- 急性血栓は,しばしばキャプチャ破裂と関連しており,脳卒中患者で一般的であった.
- 炎症性浸透 (単細胞,マクロファージ,T細胞) は,脳卒中患者の破裂したプラークにおいてより重症であった.
結論:
- 頸動脈動脈栓塞と炎症は,動脈硬化疾患における缺血性脳卒中の主な原因である.
- プラークの破裂と関連する炎症は,脳卒中発症において重要である.
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