無症状 の 浸透性 大動脈 潰瘍 の 予知: 現代 的 な アプローチ
Charles DeCarlo1, Christopher A Latz1, Laura T Boitano2
1Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Harvard Medical School, Boston (C.D., C.A.L., Y.K., S.I.S., J.M., A.D.).
Circulation
|August 11, 2021
まとめ
無症状の浸透性大動脈潰瘍 (PAU) は,最小限の成長とまれな合併症を示します. これらの大動脈疾患では,イメージングとリスクファクター制御による保守的な管理が推奨されます.
科学分野:
- 心血管医学
- 血管 外科
- 放射線科
背景:
- 無症状の浸透性大動脈潰瘍 (PAU) の自然史に関するデータは限られている.
- PAUに関する長期追跡研究は少ない.
- この研究は,PAUの進行と有害事象の理解の必要性を扱っています.
研究 の 目的:
- 無症状のPAUの成長率を時間とともに測定する.
- 無症状のPAU患者における有害事象の発生率を評価する.
- PAUの成長と合併症の予測要因を特定する.
主な方法:
- 2005年から2020年の間に診断された無症状のPAUを有する273人の患者群を遡及的に分析した.
- 線形混合効果モデルを用いて潰瘍の大きさの変化をモデル化した.
- 累積的な発生率関数は,競合するリスクを調整して,有害事象の割合を推定するために使用されました.
主要な成果:
- 無症状のPAUは最小の成長を示した (幅:0. 23mm/年,直径:0. 24mm/年).
- 破裂,進行,または介入の5年間の累積発生率は3. 6%でした.
- 高血圧,高脂血症,糖尿病,初期潰瘍の幅>20mm,血栓性PAU,および状動脈瘤は,わずかに大きなサイズ変化と関連していました.
結論:
- 無症状の浸透性大動脈潰瘍は,成長が遅い,合併症の発生率は低い.
- 連続画像とリスク因子の修正を含む保守的な管理は,無症状のPAUの実行可能な戦略です.
- 更に研究が進められれば,PAUの管理ガイドラインを改めることができるでしょう.
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