食事と血栓塞栓症の因果関係:2サンプルメンデルランダム化研究
Shuanghui Hu1, Hanlin Li1, Lujie Wu1
1Emergency Center, Anxi County Hospital, Quanzhou, Fujian, China.
Medicine
|December 16, 2025
まとめ
特定の食事は静脈血栓塞栓症(VTE)のリスクに影響を与える可能性があります。この研究では、メンデルランダム化を用いて食事とVTEの遺伝的関連を調査し、一部の食品には保護効果があり、ハムにはリスク増加が見られました。食事の調整はVTE予防に役立つ可能性があります。
科学分野:
- 心血管疫学
- 栄養科学
- 遺伝疫学
背景:
- 食事習慣は、静脈血栓塞栓症(VTE)を含む心血管疾患に関連しています。
- 食事とVTEリスクの因果関係は、さらなる調査が必要です。
- これらの関連を理解することは、VTE予防戦略にとって重要です。
研究 の 目的:
- 様々な食事摂取と静脈血栓塞栓症(VTE)のリスクとの間の潜在的な因果関係を調査すること。
- 食事とVTEの遺伝的関連を評価するために、堅牢な2サンプルメンデルランダム化(MR)アプローチを利用すること。
- VTEリスクを増加または減少させる可能性のある特定の食事要因を特定すること。
主な方法:
- UK BiobankおよびFinnGenからのゲノムワイド関連研究(GWAS)データを使用した2サンプルメンデルランダム化(MR)デザインを採用しました。
- 逆分散加重(IVW)を主要なMR解析方法として使用しました。
- 異質性と多面性を評価するために、Cochran Q検定、MR-Egger切片、およびLeave-one-out解析を含む感度分析を実施しました。
主要な成果:
- VTEのリスク低下と関連が見られた8つの食事要因を特定しました:黒コショウ、唐辛子、カレー、アーティチョーク、ニシン、サバ、イワシ、アルコール摂取。
- ハムの摂取はVTEのリスク増加と有意に関連していました。
- 特定の食の好み(チーズケーキ、砂糖入りコーヒー、ピクルス)と、それぞれ肺塞栓症および深部静脈血栓症のリスクとの関連が観察されました。
結論:
- MR解析は、特定の食事習慣とVTEの発症との間の遺伝的因果関係を支持しています。
- 魚や植物ベースの食品の摂取増加やハムの摂取減少を含む食事の変更は、VTE予防において役割を果たす可能性があります。
- VTEの病態生理に対する特定の食事成分の影響に関するさらなる研究が保証されます。
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