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A comparison of two radionuclide ejection-fraction techniques with contrast angiography in ischemic heart disease and valvular heart disease

✍ Scribed by I. M. Hassan; M. M. J. Mohammed; M. Badruddosa; A. R. Mahmood; M. E. Sayed; M. Simo; H. M. Abdel-Dayem; A. M. Yousef

Publisher: Springer
Year: 1986
Tongue: English
Weight: 885 KB
Volume: 11
Category: Article
ISSN: 0340-6997
DOI: 10.1007/bf00252792

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✦ Synopsis

First-pass radionuclide angiography (FPRA) in the 30 degree right anterior oblique and equilibrium gated radionuclide angiography (EGNA) in the 45 degree left anterior oblique were used for quantitative measurements of left ventricular ejection fraction (LVEF). Equipment used was a 400T gamma-camera interfaced with a Simis III Informatek computer. The results were compared with contrast angiography (CA). The aim of this study was to determine the sensitivity of both radionuclide techniques. The present data are based on 65 patients in whom CA and EGNA were performed. In 47 patients both FPRA and EGNA were performed. Results suggested that in ischemic heart disease (IHD) and valvular heart disease (VHD) the EGNA technique is well correlated with CA (r = 0.9 and 0.73, respectively). FPRA correlated well only with CA in IHD (r = 0.86), but not in VHD (r = 0.18). This study indicates that both FPRA and EGNA are sensitive, noninvasive techniques for measuring ejection fraction in IHD, while in VHD, EGNA is more sensitive technique than FPRA.

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