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若年者の突然死を引き起こす胸部大動脈解離の40年間の集団ベースの登録
Monica De Gaspari1, Cristina Basso1, Francesca Dalla Zanna2
1Cardiovascular Pathology Unit, Azienda Ospedale-Università Padova, Italy; Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padova, Italy.
JACC. Advances
|December 31, 2025
まとめ
若年者の胸部大動脈解離(TAD)による突然死(SCD)はまれで、主に男性に影響する。二尖弁および遺伝性疾患が一般的であり、遺伝子スクリーニングの必要性を強調している。
科学分野:
- 心臓病学
- 遺伝学
- 病理学
背景:
- 胸部大動脈解離(TAD)は、若年者における突然死(SCD)の認識不足の原因です。
- この研究は、若年者におけるTAD関連SCDに関する限られたデータに対処するものです。
研究 の 目的:
- 若年集団におけるTAD関連SCDの発生率を決定すること。
- 若年SCD症例におけるTADの有病率と特性を調査すること。
主な方法:
- イタリア、ヴェネト州の1〜40歳の個人を対象としたSCD登録データの分析(1985〜2024年)。
- TAD症例の臨床的特徴、大動脈次元、組織病理学、および全エクソームシーケンシングの評価。
- TAD関連SCD発生率の計算。
主要な成果:
- 1〜40歳の個人におけるTAD関連SCDの発生率は、100万人あたり0.32件でした。
- 941件のSCD症例のうち28件(2.9%)がTADであり、主にA型で、29%が慢性TADでした。
- 関連する状態には、二尖弁(24%)、高血圧(18%)、遺伝性疾患(15%)が含まれていました。
- TAD症例の50%に遺伝子異常がありました。
結論:
- 若年者におけるTAD関連SCDはまれであり、主に男性に影響します。
- 二尖弁および遺伝性疾患は頻繁な併存疾患であり、遺伝子スクリーニングの重要性を示唆しています。
- 若年者におけるTADの適時診断には、一般的な症状と慢性解離のため、高い臨床的疑いが必要です。
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