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題 名 | Dipyridamole Thallium-201 Myocardial Single Photon Emission Computed Tomography in Myocardial Bridging--A Case Report=心肌橋患者的鉈-201心肌單光子電腦斷層攝影術之表現--一病例報告 |
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作 者 | 陳孟麟; 趙英明; 陳中和; 羅鴻舜; | 書刊名 | Acta Cardiologica Sinica |
卷 期 | 20:1 2004.03[民93.03] |
頁 次 | 頁37-41 |
分類號 | 415.3161 |
關鍵詞 | 心肌橋; 心肌缺血; 單光子電腦斷層攝影術; 鉈-201; Dipyridamole; Myocardial bridging; Myocardial ischemia; Single photon emission computed tomography; SPECT; Thallium-201; |
語 文 | 英文(English) |
中文摘要 | 心肌橋是發生於心肌的一種先天性異常,患者的冠狀動脈被一束心肌纖維包圍。在心縮期,冠狀動脈的管徑大小是正常的;但在心縮期,被心肌包圍的冠狀動脈會因心肌歷迫而變窄。然而,心肌橋是否會造成心肌缺血仍有爭議。我們報告一例心肌橋患者,其有非典型胸痛,運動心電圖呈陽性反應,心導管檢查證實左前降枝冠狀動脈近端有60%的狹窄,dipyridamole鉈-201單光子電腦斷層攝影顯示左心室前壁有一可逆性的血流灌注缺損,這表示此患者的心肌橋可能會成心肌缺血。 |
英文摘要 | Myocardial bridging is a congenital anomaly of the myocardium in which a normally epicardial coronary artery is bridged by band of muscle fibers. The artery is of normal caliber during diastole, but becomes compressed during systole. We present a patient with atypical chest pain, positive treadmill electrocardiographic test and angiographically proven 60% systolic bridging at the proximal proximal portion of the left anterior descending artery. Dipyridamole thallium-201 myocardial SPECT demonstrated mild reduction of perfusion to the anterior wall of the left ventricle. Redistribution images demonstrated good reversibility of the perfusion defects, indicating myocardial ischemia. This case provides additional supportive evidence that myocardial bridging may cause myocardial ischemia. |
本系統中英文摘要資訊取自各篇刊載內容。