左隔膜の心房振動: 電気生理学,解剖学,およびアブレーションの結果
Nassir F Marrouche1, Andrea Natale, Oussama M Wazni
1Section of Pacing and Electrophysiology, Department of Cardiovascular Medicine, The Cleveland Clinic Foundation, Cleveland, Ohio, USA.
Circulation
|May 12, 2004
まとめ
この研究は,新しいタイプの左心房のフラッター回路を特定し,しばしば抗リズム薬の使用と関連しています. セプトム・プライムとミトラル・アヌルスを標的とした放射性アブレーションは,ほとんどの患者でタヒカルディアを効果的に治した.
科学分野:
- 心臓病学 心臓病学
- 電気生理学 電気生理学
- 医学研究 医学研究
背景:
- 左心房振動の新しいマクロレント形式について説明します.
- この心拍不良の臨床的および電気生理学的特徴を調査します.
研究 の 目的:
- 新しく特定された左心房のフラッター回路を特徴付けるため.
- この特定のフラッターに対する放射性アブレーションの有効性と安全性を評価する.
主な方法:
- 左心房を患った患者11人を含む.
- エントレーインメントペースとマッピングシステム (CARTO Biosenseまたは従来の) を利用しました.
- 特定の解剖学的領域 (肺静脈のセプタム・プライムから肺静脈またはミトラル・アヌルスまで) を標的とした放射性アブレーションを行った.
主要な成果:
- フラッター回路は,臨界間隔を持つ左のセプト・プリムムの周りを回転した.
- セプト・プライムからミトラ・アヌルスへの切除 (患者6人) は,13ヶ月後に再発しなかった.
- セプトム・プライムから右下肺静脈への切除 (5人の患者) は,2人の患者で再発した.
結論:
- 左隔膜の心房は,抗不律薬または心房筋病変により導電が遅くなることで促進される可能性があります.
- ラジオ周波数アブレーションは,一般的に,この心律乱症の治療に効果的で安全です.
- セプトム・プライムからミトラアヌルスまでのアブレーション線は,高動脈治癒に高い有効性を示した.
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