Factor Analysis of Multigated Cardiac Blood Pool Scintigram for the Measurement of Left Ventricular Ejection Fraction

Overview

Journal Ann Nucl Med

Date 1989 Jul 1

PMID 2641452

Authors

N Honda

K Machida

T Mamiya

T Takahashi

T Takishima

T Kamano

N Hasegawa

M Hashimoto

K Ohno

M Hosoba

Affiliations

Soon will be listed here.

Abstract

Left ventricular ejection fraction (EF) was measured by factor analysis (FA) of multigated cardiac blood pool scintigram in 38 consecutive patients, and compared with that measured by the variable ROI method (EFVROI) with automated left ventricular contour detection. FA was automatically performed without operator intervention with a success rate of 100%. The correlation of EF with EFVROI was significant in the group of 22 patients with normal wall motion (r = 0.65, p less than 0.001), and the entire group of patients (r = 0.70, p less than 0.001), but not significant (p = 0.19) in the group of 16 patients with abnormal wall motion. In conclusion, left ventricular ejection fraction can be estimated by factor analysis of MUGA in patients with normal wall motion.

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