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Abstract #3134

Feature tracking imaging (FTI) for right ventricular strain assessment in patients with chronic thromboembolic pulmonary hypertension (CTEPH)

Yoshiaki Morita1, Naoaki Yamada1, Makoto Amaki2, Emi Tateishi2, Asuka Yamamoto2, Masahiro Higashi1, and Hiroaki Naito1

1Department of Radiology, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan, 2Division of Cardiology, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan

Right ventricular (RV) function has a significant impact on the prognosis of chronic thromboembolic pulmonary hypertension (CTEPH), as it does with other forms of pulmonary arterial hypertension (PH). In this study, we demonstrated that feature tracking imaging (FTI) is fast, simple, and has potential for clinical use for assessing RV strain in CTEPH. The global longitudinal strain (GLS) showed better correlation with the RV ejection fraction (RVEF) and mean pulmonary artery pressure (mPAP). FTI-derived strain measurement might offer a modality for good detection of RV dysfunction and repeatable monitoring after therapeutic intervention.

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