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http://dx.doi.org/10.5392/JKCA.2010.10.2.250

Affecting Factors on Left Ventricle Ejection Fraction Measured using 64-slice MDCT  

Kang, Yeong-Han (대구가톨릭대학교병원 영상의학과)
Kim, Kyung-Wook (대구가톨릭대학교병원 영상의학과)
Cho, Kwang-Ho (대구가톨릭대학교 방사선학과)
Publication Information
The Journal of the Korea Contents Association / v.10, no.2, 2010 , pp. 250-257 More about this Journal
Abstract
This study was to analysis what factors could affect left ventricle ejection fraction(LVEF) using 64-slice multidetector CT. 164 patients(84 men, 80 women) had a cardiac CT in this study, and their blood pressure, body mass index(BMI), heart rate(HR) measured. LVEF was 52.00${\pm}$18.95% in below 25kg/$m^2$, 59.50${\pm}$16.05% in above 25kg/$m^2$ of BMI. LVEF was 57.26${\pm}$17.84% in normal blood pressure group(NBPG), 49.95${\pm}$17.63 in hypertension group(HG). LVEF was 60.76${\pm}$17.26 in below 60 beats/min, 54.14${\pm}$16.56 in 60-70 beats/min, 50.83${\pm}$20.56 in above 70 beats/min of HR. LVEF was negatively correlated with age, HR(r=-0.283 p<0.05, r=-0.231 p<0.05. respectively). And LVEF was positively correlated with BMI(r=0.228 p<0.05). A measurement of LVEF at cardiac CT by using MDCT may be considered to age, blood pressure, heart rate and BMI.
Keywords
64-slice Multidetector CT; Left Ventricle Ejection Fraction; Body Mass Index; Heart Rate;
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