Left ventricular cavity-to-myocardium count ratio in exercise and resting technetium-99m-tetrofosmin SPECT: correlation with left ventricular function

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题名:	Left ventricular cavity-to-myocardium count ratio in exercise and resting technetium-99m-tetrofosmin SPECT: correlation with left ventricular function
作者:	李秉純;孫盛生(Shung-Shung Sun);高嘉鴻(Kao,Chia-Hung);林正介(Lin,Cheng-Chieh);李正淳(Lee,Chun-Cheng)
贡献者:	醫學院醫學系學士班外科學科;中國附醫外科部心臟血管外科
关键词:	cavity-to-myocardium count ratio;left ventricular ejection fraction;single photon emission computed tomography;technetium-99m tetrofosmin
日期:	2002
上传时间:	2009-08-20 18:47:31 (UTC+8)
摘要:	The aim of this study was to assess the value of the cavity-to-myocardium count ratio (C/M ratio) calculated in exercise and resting technetium-99m (Tc-99m) tetrofosmin single photon emission computed tomography (SPECT) images to identify patients with depressed exercise and resting left ventricular ejection fraction (LVEF). We studied 60 patients with recent coronary artery diseases (CAD) undergoing first-pass ventriculography to calculate LVEF and myocardial perfusion SPECT imaging to calculate left ventricular C/M ratios. The group A of 30 CAD patients with higher LVEF (40%) had significant higher C/M ratios than the group B of 30 CAD patients with abnormal LVEF (<40%) during exercise and rest. However, C/M ratios between exercise and rest did not differ significantly in the both groups A and B. There is significant correlation between exercise/rest LVEF and exercise/rest C/M ratios. Tc-99m tetrofosmin C/M ratios calculated SPECT perfusion images are useful parameters in identifying patients with depressed LVEF in CAD patients.
關聯:	INTERNATIONAL JOURNAL OF CARDIOLOGY 18(5):349~352
显示于类别:	[醫學系] 期刊論文

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