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コルチゾール,テストステロン,冠動脈性心疾患:カーフィリー研究からの見通し証拠
George Davey Smith1, Yoav Ben-Shlomo, Andrew Beswick
1Department of Social Medicine, University of Bristol, Canynge Hall, Whiteladies Rd, Bristol, BS8 2PR, UK.
Circulation
|July 13, 2005
まとめ
コルチゾールとテストステロンの比率が上昇することは,潜在的にインスリン抵抗性によって媒介される,不全性心疾患のリスクの増加と関連しています. この発見は,ホルモンのバランスと心血管の健康との関連を示唆しています.
科学分野:
- エンドクリノロジー エンドクリノロジー
- 心血管医学 心血管医学
- 心理・神経・内分泌学
背景:
- 慢性的なストレスは,精神神経内分泌経路を通じて心臓病を引き起こすと広く信じられています.
- この研究では,コルチゾールとテストステロン比の関係と不全性心疾患のリスクとの関連を調査しています.
研究 の 目的:
- 循環中のコルチゾールとテストステロンの比率が上昇すると,心不全性疾患のリスクが増加するかどうかを調べる.
主な方法:
- 45~59歳の男性2512人を対象とした前向きなコホート研究.
- 平均追跡期間は16.5年でした.
- コルチゾール,テストステロン,心血管疾患のリスク因子の検出のために,朝,断食中の血液サンプルを分析.
主要な成果:
- コルチゾール:テストステロン比は,インスリン抵抗性症候群の成分と強い肯定的な関連を示した.
- コルチゾール:テストステロン比とインシデント性缺血性心臓病の間の正の線形傾向が観察されました.
- この関連性は,インスリン抵抗性症候群の成分を調整した後に弱まった.
結論:
- これは,コルチゾール:テストステロン比率とインシデント性缺血性心疾患との間の特定の関連性を発見する最初の人口ベースの見通し研究です.
- この関連性は,インスリン抵抗性症候群によって媒介されているようです.
- 根本的な要因 (慢性的なストレス,行動,遺伝) は,さらなる調査を必要とする.
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