周辺血管疾患の男性におけるリポプロテインプロファイル. 中間密度のリポタンパク質とアポタンパク質Eフェノタイプの役割
M Sentí1, X Nogués, J Pedro-Botet
1Department of Medicine, Hospital del Mar, Universidad Autónoma de Barcelona, Spain.
Circulation
|January 1, 1992
まとめ
リポプロテイン障害,特に中密度リポプロテイン (IDL) は,外周血管疾患 (PVD) の重要な危険因子です. 異常なIDLレベルは,正常なコレステロールを有する患者でも,PVDの発症と重症に寄与します.
科学分野:
- 心血管医学は,心臓血管医学である.
- リピドロジーは,脂質学です.
- 血管生物学 血管生物学
背景:
- 周辺血管疾患 (PVD) の発達におけるリポプロテイン異常の正確な役割については,さらなる解明が必要である.
- 既存の研究は,特定のリポプロテイン障害とPVDとの関連を完全に明らかにしていない.
研究 の 目的:
- 中間密度リポタンパク質 (IDL) を含む様々なリポタンパク質と,外周血管疾患 (PVD) の関係を調査する.
- 脂質タンパク質のプロファイルがPVDの重症度および正常な脂質レベルを有する患者の影響を評価する.
主な方法:
- 102人のPVDの男性と100人の健康な対照群における脂質タンパク質濃度の比較分析.
- 血清トリグリセリド,コレステロール,非常に低密度リポプロテイン (VLDL),中間密度リポプロテイン (IDL),および高密度リポプロテイン (HDL) レベルの評価.
- アポプロテインE (apo E) ポリモルフィズムと,PVD患者の脂質プロファイルへの影響の評価.
主要な成果:
- PVD患者は,対照群と比較して,より高いレベルのトリグリセリド,VLDLコレステロール,IDL脂質,およびより低いHDLコレステロールを示した.
- 重要なIDL異常とHDLコレステロールの低下は,正常な血清コレステロールとトリグリセリド濃度を有するPVD患者でも観察されました.
- IDL脂質の上昇とHDLコレステロールの低下は,より重度のディスタルPVD関与と相関していた. 喫煙は,VLDLが上昇し,HDLが低下することと関連していました.
結論:
- リポプロテインの障害は,PVDの発達と進行のための重要なリスク要因です.
- 中間密度脂質タンパク質 (IDL) の異常は,PVDの病原性および重症度において極めて重要です.
- IDLの異常は,特にノルモコレステロレミアおよびノルモトリグリセリデミアの個体において,血管の危険因子として認識されるべきである.
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