Correlation of abnormal response of left ventricular ejection fraction after exercise and left ventricular cavity-to-myocardium count ratio of technetium-99m-tetrofosmin single photon emission computed tomography in patients with coronary artery disease - A preliminary report

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题名:	Correlation of abnormal response of left ventricular ejection fraction after exercise and left ventricular cavity-to-myocardium count ratio of technetium-99m-tetrofosmin single photon emission computed tomography in patients with coronary artery disease - A preliminary report
作者:	Ding, HJ;Lin, CC;Wang, JJ;Ho, ST;Kao, A
贡献者:	附設醫院核子醫學部;China Med Coll Hosp, Dept Nucl Med, Taichung 404, Taiwan;China Med Coll Hosp, Dept Med Res, Taichung 404, Taiwan;Natl Def Med Ctr, Sch Med, Taipei, Taiwan;Chi Mei Med Ctr, Dept Med Res, Tainan, Taiwan;Chi Mei Med Ctr, Dept Internal Med, Div Cardiovasc, Tainan, Taiwan;Kaohsiung Med Univ, Dept Med Res, Kaohsiung, Taiwan;Kaohsiung Med Univ, Sch Technol Med Sci, Kaohsiung, Taiwan
日期:	2002
上传时间:	2010-09-24 14:37:33 (UTC+8)
出版者:	JAPAN HEART JOURNAL, SECOND DEPT OF INTERNAL MED
摘要:	Increased lung uptake of thallium-201 (Tl-201) and technetium-99m (Tc-99m) MIBI in myocardial perfusion imaging is a reliable marker of left ventricular dysfunction. The goal of our study was to establish whether the lung-to-heart (L/H) uptake ratio with a newer cardiac imaging agent, Tc-99m tetrofosmin, can also provide valuable information about left ventricular function. We studied 60 patients with recent coronary artery diseases (CAD) undergoing first-pass radionuclide ventriculography to calculate left ventricular ejection fraction (LVEF) and myocardial perfusion imaging to calculate the L/H ratio. Group A consisting of 30 CAD patients with higher LVEF (greater than or equal to40%) had a significanly lower L/H ratio than group B consisting of 30 CAD patients with abnormal LVEF (<40%) during exercise and rest. In groups A and B, the exercise and rest L/H ratios did not differ significantly. However, a statistically significant inverse correlation was found between the L/H ratio and LVEF during exercise and rest among the 60 patients. L/H ratios, measured by 99mTc-tetrofosmin imaging, provide clinically useful information with which to predict left ventricular dysfunction in CAD patients.
關聯:	JAPANESE HEART JOURNAL 43(5):505-514
显示于类别:	[台中附設醫院] 期刊論文

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