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99mTechnetium pyrophosphateスシンチグラフィによる急性心筋梗塞の大きさの臨床的推定
Circulation
|February 1, 1978
まとめ
99mTechnetium pyrophosphate (TcPYP) スシンチグラフィを使用して心筋梗塞の大きさを評価すると, perfusion と function との相関が示されました. 酵素の測定は,心臓発作の大きさや心臓機能とよく相関していない.
科学分野:
- 心臓病学 心臓病学
- 核医学は,核医学である.
- メディカルイマージング (医学イメージング)
背景:
- 心筋梗塞の大きさを推定することは,患者の管理に極めて重要です.
- シンチグラフィック技術は,心臓発作の評価のための非侵襲的な方法を提供します.
研究 の 目的:
- 発心筋梗塞の大きさを推定する際の異なるシンチグラフィック技術の精度を評価する.
- シンチグラフィの発見を血液動力学的測定と酵素レベルと比較するために.
主な方法:
- 急性トランスムラル心筋梗塞の26人の患者は99mTechnetium pyrophosphate (TcPYP) 心臓梗塞スシンチグラフィー,ゲーテッド心臓血液プールスシンチグラフィー,201-Thallium (201-Tl) 輸液スシンチグラフィーを受けた.
- 侵襲的血液動力学的測定とシリアルクレアチンフォスフォキナーゼ (CPK) レベルが得られた.
- TcPYPの摂取量,201-Tlの摂取量,心室セグメントの収縮量,および酵素データを用いて心臓発作の大きさを推定した.
主要な成果:
- TcPYP心臓発作領域は201-Tl吸収の減少 (r=0.66),異常な心室細部 (r=0.64),LVSWI (r=0.73),およびLVEF (r=0.58) と相関しています.
- TcPYP心臓発作領域は,CPK放出または統合されたCPK時間曲線と相関しませんでした.
- 心臓発作の大きさの酵素評価は,LVSWIまたはLVEFと相関しませんでした.
結論:
- TcPYPスシンチグラフィは, perfusionと機能と相関する心臓発作の大きさを推定する有望なことを示しています.
- 酵素測定だけでは,心臓発作のサイズと心臓機能への影響を評価するのに信頼性が低い.
- シンチグラフィックデータと血液動力学的データを組み合わせることで,心筋梗塞の大きさの最も包括的な評価が可能になります.
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