n-3多不飽和脂肪酸が,心動脈循環後の心房細動の再発を予防する:前向きなランダム化研究
Savina Nodari1, Marco Triggiani, Umberto Campia
1Department of Experimental and Applied Medicine, Section of Cardiovascular Diseases, University of Brescia Medical School, P. le Spedali Civili, 1-25123 Brescia, Italy.
Circulation
|August 17, 2011
まとめ
オメガ3脂肪酸 (n-3PUFA) は,持続的な心房動を有する患者のシナスリズム維持を著しく改善しました. この発見は,n-3PUFAが心房細動の再発を予防するのに役立つことを示唆しています.
科学分野:
- 心臓病学 心臓病学
- 薬理学 薬理学とは
- 栄養科学とは,栄養科学である.
背景:
- オメガ3多不飽和脂肪酸 (n-3PUFA) は抗不律性特性で知られていますが,心房細動 (AF) の予防における有効性は議論されています.
- 持続的なAF管理には,しばしばアミオダロンおよびレニン-アニオテンシン-アルドステロン系 (RAAS) 阻害剤が含まれます.
研究 の 目的:
- すでにアミオダロンとRAAS阻害剤を服用している持続性AFの患者で,n-3PUFAが心臓転換後の鼻腔リズム維持に与える影響を評価する.
- n-3PUFAがAF再発率を改善するかどうかを判断する.
主な方法:
- ランダム化,ダブルブラインド,プラセボ対照試験が行われました.
- アミオダロンおよびRAAS阻害剤で治療された持続性AFの患者199人が,ランダムにn-3PUFA (2g/d) またはプラセボを投与されました.
- ランダム化から4週間後に直流心転が施され,1年後にシナスリズム維持が評価された.
主要な成果:
- 1年後にシヌスリズムを維持する確率は,プラセボグループと比較して,n-3 PUFAグループにおいて有意に高かった.
- シヌスリズム維持の危険比率は,n-3PUFA群で0.62 (95%CI,0.52〜0.72) でした.
- P値は0.0001で,統計的有意性を示した.
結論:
- アミオダロンとRAAS阻害剤にn-3PUFA (2g/d) を添加すると,持続性AF患者における心臓転換後のシナプスリズム維持が強化されます.
- これらの発見は,AFの再発を予防する n-3 PUFA の潜在的な役割を示唆しています.
- これらの結果を検証し,拡大するためにさらなる研究が推奨されます.
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