右束のブランクブロック,右前帯のstセグメントの上昇,そして若者の突然死

D Corrado¹, C Basso, G Buja

¹Department of Cardiology, University of Padua Medical School, Padua, Italy.

Circulation

|February 7, 2001

まとめ

若い突然死者の右前帯状STセグメントの上昇は,しばしばリズム不振性右心室性心筋病変 (ARVC) を示す. このEKGパターンは,非運動性心停止および多形心室性心拍動症と関連しています.

科学分野:

心臓病学心臓病学
電気生理学電気生理学
心臓発作による突然死に関する研究

背景:

右ブンドルブランクブロックとECG上の右前原性STセグメントの上昇は,突然死に先行する可能性があります.
これらのEKGの発見は,リズム不振性右心室性心筋症候群 (ARVC) とブルガダ症候群に関連しています.

研究の目的:

若き突然心臓死亡の犠牲者における右前帯状STセグメントの上昇の発生率と特徴を調査する.
この心電図パターンに関連した心臓病理の基礎を決定する.

主な方法:

96人の若い突然死被害者 (<=35歳) の12鉛のECGの分析.
解剖の結果は,EKGパターンと臨床歴と相関していた.
STセグメントの異常があるか,ないかの被害者の比較.

主要な成果:

右前原性STセグメントの上昇は,ECGが利用可能な若い突然死者の14%に存在していました.
これらの症例の大多数 (92%) は,心律不振性右心室性心筋病変 (ARVC) を基礎として持っていた.
STセグメントが上昇した患者は,スポーツ選手になる可能性が低く,休息/睡眠中に死亡する可能性が高く,動的心電図変化と多形心室性心拍動脈を示した.

結論:

若い突然死被害者の右前皮のSTセグメントの上昇は,特に前壁の関与では,ARVCの重要な指標です.
このEKGパターンは,ブルガダ症候群の患者と同様に,運動に関連していない心停止に弱いサブグループを特定します.
ダイナミックなEKG変化と多形心室性心拍動症は,このサブグループの特徴です.

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