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生まれながらの心臓病 を 患い て いる 大人 に は 自己 免疫 症 の 増加 の 傾向 が あり ます
William Liu1, Insoo Kang2, Keith A Choate3
1Department of Dermatology, Yale University, New Haven, Connecticut, USA.
JACC. Advances
|September 6, 2025
まとめ
先天性心疾患 (ACHD) の成人は,全身性および臓器特異的なタイプを含む自己免疫疾患を発症するリスクをほぼ2倍にしています. このリスク増加は,軽度から中等度の心筋梗塞および60歳以上の重度の心筋梗塞に見られます.
科学分野:
- 心臓病科
- 免疫学
- 公衆衛生
背景:
- 生まれながらの心臓病 (ACHD) の成人は,がんや感染症などの非心臓病のリスクが高くなります.
- ACHDと自己免疫疾患を発症するリスクとの関連は,ほとんど研究されていない.
研究 の 目的:
- ACHDと自己免疫疾患の発症リスクとの関係を調査する.
- ACHDが全身的および臓器特異的自己免疫性の可能性を増やすかどうかを判断する.
主な方法:
- 症例対照研究では,2024年のデータを分析した全国の生物医学データベース"All of Us"を使用した.
- 生まれながらの心臓病 (CHD) の診断を受けた成人 (≥18歳) は,SNOMEDとICDの分類を用いて特定されました.
- ACHDの症例は,年齢,人種,性別,喫煙状況,肥満に基づく対照群と1:20で匹配され,CHDの重度 (軽度/中度/重度) も調査された.
主要な成果:
- 287,012人の参加者のうち,2941人 (1.02%) がACHD患者であると特定されました.
- ACHD患者では,全身 (OR:1. 94) と臓器特異的疾患 (OR:1. 54) の両方を含む,自己免疫率 (OR:1. 95) が著しく増加した.
- 軽度および中等度のCHDは,より高い自己免疫リスク (OR: 1. 93およびOR: 1. 56) と関連していたが,重度のCHDは60歳以上の個人にのみリスクが増加した (OR: 2.71).
結論:
- 生まれながらの心臓病を持つ成人は 自己免疫疾患を発症するリスクが ほぼ2倍に増加しています
- 軽度から中等度の心臓病の患者には,この自己免疫性のリスクが高まります.
- 60歳以上の重度のACHD症例は,自己免疫リスクの有意な増加を示し,年齢と疾患の重度が重要な要因として強調されています.
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