冠動脈疾患の急速な血管学的進行は,リポプロテインの値が上昇した患者で
W Terres1, E Tatsis, B Pfalzer
1Department of Cardiology, University Hospital Eppendorf, Hamburg, Germany.
Circulation
|February 15, 1995
まとめ
増加したリポプロテイン (a) [Lp (a) ]は,冠動脈疾患の急速な進行のための重要な危険因子です. この発見は,Lp (a) が血栓の分解を阻害し,病気の進行を早める可能性があることを示唆しています.
科学分野:
- 心臓病学 心臓病学
- 血管生物学 血管生物学
- バイオケミストリー バイオケミストリー
背景:
- 急速な冠動脈疾患 (CAD) の進行のメカニズムは不明である.
- 血管内血栓症とプラーク破裂は潜在的要因である.
- リスク要因を理解することは,CADの管理に極めて重要です.
研究 の 目的:
- CADの急速な血管学的進行のための潜在的な危険因子を調査する.
- 病気の発症の加速に関連した特定のバイオマーカーを特定する.
主な方法:
- 既定のCADと有意な狭窄症を有する79人の患者を対象とした前向きな研究.
- 定量冠動脈動脈造影は,基線で,平均66日間の間隔後に実施されました.
- 急速な進行と進行のないグループ間の患者の人口統計,伝統的な危険因子,および血清脂質タンパク質 (a) [Lp (a) ]レベルの比較.
主要な成果:
- 狭窄の増大,新しい病変,または血管の閉塞によって定義される急速なCADの進行は,患者の27%で発生しました.
- 性別,年齢,喫煙,高血圧,糖尿病,LDL,HDL,またはアポリポプロテインBの有意な差異は観察されなかった.
- 血清のLp (a) 濃度 (>=25 mg/dL) が著しく高いのは,急速な進行 (67%) を有する患者と,そうでない患者 (33%) (P = .007) との比較で認められた.
- 中央のLp (a) レベルは,急速な進行グループでは66 mg/dLであり,進行しないグループでは13 mg/dLでした (P = .01).
結論:
- リポプロテイン (Lp) は,冠動脈疾患の急速な血管学的進行の危険因子として特定されています.
- 提案されたメカニズムは,プラズミノゲンと構造的に類似しているため,Lp (a) が血栓溶解に干渉することを含む.
- これは,Lpを,CADの進行を遅らせるための潜在的な治療目標として強調しています.
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