Abstract #2704
Clinical Impact of Left ventricular Eccentricity Index Using Cardiac Cine MRI for Assessment of Right Ventricular Hemodynamics in Adult Congenital Heart Disease
Yuzo Yamasaki 1 , Michinobu Nagao 2 , Masato Yonezawa 1 , Satoshi Kawanami 2 , Takeshi Kamitani 1 , Torahiko Yamanouchi 1 , Kenichiro Yamamura 3 , Ichiro Sakamoto 4 , Hidetake Yabuuchi 5 , and Hiroshi Honda 1
1
Clinical Radiology, Kyushu University,
Fukuoka, Fukuoka, Japan,
2
Molecular
Imaging & Diagnosis, Kyushu University, Fukuoka,
Fukuoka, Japan,
3
Pediatrics,
Kyushu University, Fukuoka, Fukuoka, Japan,
4
Cardiovascular
Medicine, Kyushu University, Fukuoka, Fukuoka, Japan,
5
Health
Sciences, Kyushu University, Fukuoka, Fukuoka, Japan
In this study, we clarified the relative value of left
ventricular eccentricity index (EI) with regards to
right ventricular (RV) volumetric indices, late
gadolinium enhancement (LGE), and pressure indices in
patients with congenital heart disease (CHD). A negative
correlation between diastolic EI and RV ejection
fraction (EF), and a strong correlation between mean
pulmonary artery pressure (PAP) and systolic EI was
seen. Both systolic and diastolic EIs were significantly
higher in patients with LGE compared to without LGE. EI
is a simple and valuable parameter to predict RV
hemodynamics and myocardial fibrosis in CHD.
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