様々な多不飽和脂肪酸と男性における冠動脈疾患のリスクとの相互作用
Dariush Mozaffarian1, Alberto Ascherio, Frank B Hu
1Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass, USA. dmozaffa@hsph.harvard.edu
Circulation
|January 5, 2005
まとめ
植物と海産物の両方からの多飽和脂肪酸 (PUFA) は,冠動脈疾患 (CHD) のリスクの低下と関連しています. n-6PUFAレベルに関係なく,n-3PUFAのより高い摂取量は,心臓血管の健康に利点を示しています.
科学分野:
- 心血管栄養 心血管栄養
- ダイエット脂肪酸 ダイエット脂肪酸
- エピデミオロジー エピデミオロジー
背景:
- 多過不飽和脂肪酸 (PUFA) の摂取は,冠動脈疾患 (CHD) のリスクを低下させる可能性があります.
- n-6およびn-3PUFA間の潜在的な競争は,それらの利益に影響を与える可能性があります.
- シーフード由来の長鎖のn-3PUFAと植物由来の中鎖のn-3PUFAの相互作用は,心血管疾患のリスクに関して完全に理解されていません.
研究 の 目的:
- 異なる種類のn-3多不飽和脂肪酸 (PUFA) の摂取量と冠動脈疾患 (CHD) のリスクとの関連を調べる.
- n-6PUFAの摂取がn-3PUFAの摂取とCHDリスクとの関係を変化させるかどうかを調べる.
主な方法:
- 45,722人の男性を対象とした前向きなコホート研究.
- ダイエット摂取量は,検証された食品頻度アンケートで4年ごとに評価される.
- 冠動脈性心疾患 (CHD) の発生率,突然死および非致死性心筋梗塞を含む,将来的に14年以上にわたって確認された.
主要な成果:
- 長鎖および中鎖のn-3PUFAの摂取は,n-6PUFAの摂取とは無関係に,心臓病のリスクの低下と関連していました.
- 長い鎖のn-3PUFAの摂取量が高いと,突然死のリスクが低いとの関連がありました.
- 中鎖のn-3PUFAの摂取量が高かったと,全体性心血管疾患のリスクが低下することが分かりました.特に,長鎖のn-3PUFAの摂取量が低かった場合です.
結論:
- n-3 PUFAは,海産物と植物源の両方から,心臓病のリスクを減らすように見える.
- 背景 n-6PUFAの摂取は,n-3PUFAの心臓保護効果を有意に変化させない.
- 植物性n-3PUFAは,特に脂肪魚へのアクセスが限られている集団において,CHDのリスクを大幅に減らすことができます.
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