家族性高コレステロール血症における冠動脈疾患の発症
H Mabuchi1, J Koizumi, M Shimizu
1Department of Internal Medicine, Kanazawa University School of Medicine, Japan.
Circulation
|February 1, 1989
まとめ
家族性高コレステロール血症の患者は早期に冠動脈疾患を発症します. 心筋梗塞は,男性では30代,女性では40代で発生し,ヘテロジゴト群では早期死亡しました.
科学分野:
- 心臓病学 心臓病学
- 遺伝学 遺伝学とは
- メタボリック障害 メタボリック障害
背景:
- 家族性高コレステロール血症 (FH) は,高LDLコレステロールを引き起こす遺伝疾患です.
- FHは早発性心血管疾患のリスクを大幅に高めます.
- FHにおける疾患の進行を把握することは,適切な介入に不可欠です.
研究 の 目的:
- 家族性高コレステロール血症患者の冠動脈疾患 (CAD) の発症および進行を調査する.
- ヘテロツィゴトおよびホモツィゴトのFH患者におけるCADの発症年齢と重症度を決定する.
- 年齢に基づく冠動脈狭窄症の回帰モデルを確立する.
主な方法:
- 10人のホモジゴスおよび692人のヘテロジゴスFH患者の遡及分析.
- 患者のサブセットにおける冠動脈血管図評価.
- 年齢と冠動脈狭窄指数の間の回帰方程式を決定するための統計分析.
主要な成果:
- 心筋梗塞 (MI) は,男性ヘテロジゴットの22%,女性ヘテロジゴットの10%,それぞれ第3代と第4代から発症しました.
- 冠動脈性心疾患 (CHD) は,死亡した異性合体患者の70%で死亡を引き起こし,平均死亡年齢は男性 (54歳) が女性 (69歳) よりも著しく低い.
- 逆行分析は,ヘテロジゴス性FHの男性では17歳,女性では25歳以降に血管学的に検出可能な冠動脈狭窄を予測した.
結論:
- 冠動脈疾患は,家族性高コレステロール血症の患者,特に男性において,早期に発症する.
- ヘテロジゴト性FH患者における脂質低下治療は,予測された狭窄症の発症に基づいて,後期青春期まで延期されることがあります.
- 早期発見と管理戦略は,FHにおける心血管疾患のリスクを軽減するために不可欠です.
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