RT Journal Article
SR Electronic
T1 <strong>Approach</strong> <strong>Optimal Administrated activity in Gated Myocardial Perfusion SPECT</strong>
JF Journal of Nuclear Medicine
JO J Nucl Med
FD Society of Nuclear Medicine
SP 2613
OP 2613
VO 56
IS supplement 3
A1 Yassin, Hossam
A1 Abdelhalim, Rania
A1 kamal, Islam
YR 2015
UL http://jnm.snmjournals.org/content/56/supplement_3/2613.abstract
AB 2613 Objectives This study was performed to evaluate the optimal administrated activity of 99mTc-MIBI for assessment of image quality and cardiac functions.Methods The image quality indices (Heart / Background (H/B), Heart / Lung (H/P) and Heart / Liver (H/L) ratios and cardiac ejection fraction (EF%) were determined in 32 patients (21 male, 11 female) age ±49 y with weight 60 ±15 kg. Patients were classified into four groups; each one consisted of 8 patients. The first group received 370 MBq, the second one received 555 MBq, the third group received 740 MBq and the last group received 925 MBq.Results Qualitative assessments of the images revealed that no significant difference in the image quality among groups. There was no significant difference in the image quality indices and no significant difference between the ejection fraction values calculated by SPECT compared with Echocardiography.Conclusions It is concluded that the administrated activity 370MBq is an optimal activity in myocardial perfusion spect for stress study.