アデノシンによる神経媒介性シンコープの誘導
S Mittal1, K M Stein, S M Markowitz
1Department of Medicine, Division of Cardiology, New York Hospital-Cornell University Medical Center, New York, NY, USA.
Circulation
|March 17, 1999
まとめ
アデノシンは,神経媒介による昏睡を効果的に誘発し,通常の傾斜テストに匹敵します.
科学分野:
- 心臓病学 心臓病学
- 神経学 神経学とは
- クリニカル診断士
背景:
- 神経媒介性シンコープの診断は,傾きテストに依存しています.
- 現在の傾きテスト方法は,感度と持続時間において制限があります.
- アデノシンのシンパトミメティック効果は,を起こさせるのに役立ちます.
研究 の 目的:
- ニューラル媒介性シンコープの診断のために,アデノシンをルーティン・ティルト・テストの潜在的な代替品として評価する.
- アデノシン・ティルト・テストの診断収量を標準のティルト・テストプロトコルと比較する.
主な方法:
- 2つのプロトコルでは,アデノシン・ティルト・テストとイソプロテレノール・ティルト・テスト,およびルーティン・ティルト・テストを比較した.
- マイクロニューログラフィーは,アデノシンとイソプロテレノール投与中に交感性活性化を評価した.
主要な成果:
- アデノシン・ティルト・テストは,イソプロテレノールとルーティン・ティルト・テスト (それぞれ10%対8%,19%対22%) と比較可能な診断結果を示した.
- アデノシン検査の陰性後にイソプロテレノールが必要となった患者もいる.
- マイクロニューログラフィーでは,アデノシンとイソプロテレノールに対する同情反応が異なったことが明らかになった.
結論:
- アデノシンは,常規の傾斜テストに類似した診断出力を持つ神経媒介性シンコープを誘発するのに有効です.
- アデノシンとイソプロテレノールには互補的な役割があり,組み合わせたプロトコルを示唆する可能性があります.
- 必要に応じてイソプロテレノールに続く最初のアデノシン傾きは,診断の収量を改善し,テストの期間を短縮することができます.
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